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Rokstone Underwriting

Full company profile

uuid000cpkx

Namestring
Rokstone Underwriting
Legal namestring
Rokstone Group Limited
Websiteurl
rokstoneuw.com
Company typeenum
Private
Founded yearstring
-
Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
101–250
akta.pro rankint
HeadquartersLondon, United Kingdom
HQ citystring
London
HQ countrystring
United Kingdom
HQ regionstring
Europe
Markets served

Serves global market

Offices18 records

Each record includes

City, Country, Type, Description, Source

Keyword5 values
specialty insurance underwriting, managing general agent, property casualty insurance, wholesale insurance brokerage, reinsurance services
Industry1 code
1Insurance Program Administration & MGA/MGU Services
CodeFSAEADAKPrimaryYes
NAICS code1 code
  • Finance and Insurance52
Product category
Specialty Insurance Underwriting (MGA)
GTM motion4 records

Each record includes

Type, Description, Source

Revenue model2 records
1MGA Insurance Premium Placement
TypeSubscription Recurring
Description

As a Managing General Agent, Rokstone earns commission income by placing specialty insurance and reinsurance premiums on behalf of capacity providers (Lloyd's syndicates, A-rated carriers). Revenue is commission-based on gross written premium.

rokstoneuw.com
2Synergy MGA Launch Platform
TypeManaged Services
Description

Rokstone Synergy enables entrepreneurial underwriters to launch subsidiary MGAs with equity from day one, providing platform infrastructure and taking a share of underwriting results.

rokstoneuw.com
Marketing channels6 records

Each record includes

Title, Type, Stage, Description, Source

Distribution channels4 records

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components5 values
Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Pricing details4 tiers
1Equine Mortality with Major Medical Reimbursement
ModelSubscriptionBilling cadenceAnnual
Notes

Standard equine mortality coverage with major medical reimbursement options between $7,500 and $15,000. Enhanced limits up to $17,500 available for high-value Sport Horses.

rokstoneuw.com
2Farm and Ranch Package - Property, Liability, Auto, Excess
ModelSubscriptionBilling cadenceAnnual
Notes

Property cover $15m, Liability $1m, Auto Liability $1m, Excess $5m. Admitted products backed by A+/XV rated capacity. Straight-through processing on 95% of sub-$5,000 premiums.

rokstoneuw.com
3Commercial Agriculture Property Program
ModelSubscriptionBilling cadenceAnnual
Notes

$25 million in non-admitted, A-rated capacity for commercial agriculture operations. Broad property definition including buildings, stock, and perishable stock.

rokstoneuw.com
4Excess Layer Professional Indemnity Facility
ModelSubscriptionBilling cadenceAnnual
Notes

Capacity of €6.5 million for higher limits. Broadens market reach across professional and financial lines.

insurance-edge.net
GTM typeB2B
B2B
Offering typeServices
Services
Core offering1 text field

Rokstone Underwriting is a global specialty (re)insurance Managing General Agent (MGA) that underwrites and places complex property, casualty, marine, agriculture, construction, professional indemnity, healthcare, credit and surety, parametric and consumer protection risks on behalf of A-rated capacity providers. The company distributes exclusively through wholesale brokers (100% wholesale model) and powers underwriting with its proprietary in-house platform, ATOMX. It also offers Rokstone Synergy, a packaged platform enabling entrepreneurial underwriters to launch their own MGAs with equity, compliance, HR, marketing and data science support.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 4 values shown
  • Quote turnaround reduced from 15 business days to minutes
+3 more records
Product overview1 text field

Rokstone is a global specialty (re)insurance managing general agent (MGA) operating as a platform-plus-modules architecture. The core proprietary technology platform ATOMX powers underwriting across multiple specialized sub-brands and products. The portfolio includes: Rokstone Agriculture (US livestock mortality, Farm & Ranch, Equine Mortality, Commercial Agriculture Property); Rokstone Construction Risk Underwriters (Builders' Risk, General Liability); iSure Underwriting (Ireland and UK SME professional indemnity); Novus Underwriting (consumer protection products); Aura Underwriting; iFarm Underwriting; Rokstone Healthcare (newly launched); and specialty lines including Marine, International Casualty, Cargo Stock-Only, Credit & Surety, and Specialty Treaty Reinsurance. Rokstone Synergy enables entrepreneurial underwriters to launch their own MGAs with equity from day one. The company writes USD 1.1 billion in gross written premium across 7 countries with 400 staff and 30 capacity partners.

Product and service22 records
1ATOMX Proprietary Underwriting Platform
CategoryTechnology Platform (Underwriting Engine)
Description

Proprietary in-house technology ecosystem that streamlines underwriting, automates admin, speeds up quote turnaround, powers online quote-and-bind, and provides data-driven insights for smarter underwriting decisions across Rokstone's specialty portfolio.

2Rokstone Synergy MGA Launch Platform
CategoryMGA Launch Platform / Service
Description

Packaged platform that enables entrepreneurial underwriters to launch their own MGA with equity from day one, providing compliance, HR, marketing, data science, technology (ATOMX), claims handling, capacity management, digital distribution, finance and operations support. MGA can launch in as little as 6-8 weeks.

3Rokstone Agriculture
CategoryAgriculture and Livestock Insurance
Description

US agriculture and livestock insurance MGA offering livestock mortality, farm and ranch, equine mortality, commercial agriculture property, and heat stress parametric cover, distributed via wholesale brokers across the US.

4Rokstone Construction Risk Underwriters (CRU)
CategoryConstruction Risk Insurance
Description

Specialist construction risk MGA offering Builders' Risk (USD 125 million capacity) and Primary GL Wrap (USD 5 million) for wood-frame construction projects, backed by A-rated capacity.

5iSure Underwriting UK
CategoryProfessional Indemnity Insurance
Description

UK SME insurance MGA offering professional indemnity and financial lines coverage to UK SMEs via wholesale brokers, with a new Excess Layer PI facility adding higher limits.

6iSure Underwriting Ireland
CategoryProfessional Indemnity Insurance
Description

Irish SME insurance MGA offering professional indemnity and financial lines coverage to Irish SMEs via wholesale brokers, supported by a three-year capacity deal with A-rated Great American.

7Novus Underwriting Consumer Protection Products
CategoryConsumer Protection Insurance
Description

Consumer protection insurance MGA writing GBP 270m+ GWP annually, providing mobile device protection, extended vehicle warranty, GAP insurance, affinity programmes, appliance and furniture warranty, and financial protection.

8Aura Underwriting
CategorySpecialty Underwriting Brand
Description

Underwriting brand within Rokstone's portfolio of specialty insurance brands offering tailored underwriting solutions.

9iFarm Underwriting
CategoryAgricultural Underwriting Brand
Description

Agricultural underwriting brand within Rokstone's portfolio serving farm and agricultural business needs.

10Rokstone Healthcare
CategoryHealthcare Liability Insurance
Description

New US healthcare division offering multi-line coverage spanning professional, general, and sexual abuse liability for middle-market and large healthcare facilities, with planned expansion into the small business segment.

11Rokstone Klik Digital Economy Liability Platform
CategoryDigital Economy Liability Insurance
Description

Specialist casualty platform dedicated to underwriting liability risks arising from the digital economy and next-generation mobility, with claims handled in partnership with Reserv.

12Marine Insurance (Including Singapore Marine MGA)
CategoryMarine Insurance
Description

Global marine insurance portfolio covering cargo, hull, liability, inland marine, and stock-only risks, with a Singapore-based MGA as the regional centre. Includes $25m Lloyd's capacity from QBE Asia.

13International Casualty Binder (Dubai)
CategoryInternational Casualty Insurance
Description

International Casualty binder from Rokstone's Dubai office providing up to $25 million capacity on lead or follow primary basis, covering public and products liability, sudden and accidental pollution, and employers' liability across Middle East, Africa, Asia and Pacific.

14Credit and Surety Treaty Capacity
CategoryCredit and Surety Insurance
Description

Credit and Surety treaty capacity of USD/EUR 11 million per risk treaty, available across Europe, Asia, Africa, the Middle East, and Latin America for bonds and credit risks.

15Specialty Treaty Reinsurance Portfolio
CategorySpecialty Reinsurance
Description

Specialty Treaty Reinsurance portfolio bringing high-quality capacity, technical depth and underwriting leadership to complex specialty risks.

16Parametric Insurance (Heat Stress & Weather)
CategoryParametric Insurance
Description

Parametric insurance solutions including Rokstone Parametric (launched with Lloyd's Syndicate 3939's NormanMax) and heat stress cover for US dairy farmers in partnership with AIR Parametric, using indices such as THI to trigger automatic payouts.

17Cargo Stock-Only Insurance Program
CategoryMarine Cargo / Stock-Only Insurance
Description

Insurance program providing flexible coverage with competitive premiums for inventory/stock risks, offering $25 million capacity, flat deductibles as low as $10,000, catastrophe cover, and protection for full value of inventory.

18Commercial Agriculture Property Program
CategoryCommercial Agriculture Property Insurance
Description

Broad, flexible property program for US commercial agriculture operations backed by $25m non-admitted A-rated capacity, covering buildings, stock, and perishable stock.

19US Equine Mortality Insurance
CategoryEquine Mortality Insurance
Description

US equine mortality cover with major medical reimbursement options between $7,500 and $15,000, and enhanced limits up to $17,500 for high-value Sport Horses, supported by $1m admitted A-rated capacity from PSIC.

20iSure Excess Layer Professional Indemnity Facility
CategoryProfessional Indemnity Insurance
Description

Excess Layer Professional Indemnity facility allowing iSure to underwrite higher limits with €6.5 million capacity, broadening market reach across professional and financial lines.

21Rokstone CRU Primary GL Wrap Program
CategoryConstruction General Liability Insurance
Description

USD 5 million Primary General Liability Wrap program complementing Rokstone CRU's USD 125 million Builders' Risk capacity, for large wood-frame construction projects.

22Farm and Ranch Package (Property, Liability, Auto, Excess)
CategoryFarm and Ranch Insurance
Description

Farm and Ranch package offering property ($15m), liability ($1m), auto liability ($1m) and excess ($5m) cover for US agricultural operations, backed by A+/XV rated admitted capacity.

Scale indicator13 records

Each record includes

Type, Value, Description, Source

Partnership5 partners
Strategic tierCoreTypeTechnology or IntegrationAnnounced on2026-05-27
Description

Claims TPA partnership for Rokstone Klik's casualty platform. Reserv provides US and UK based claims handling built for complex, high-volume, technology-enabled risks with AI capabilities and real-time data insight.

Strategic tierFlagshipTypeStrategic or Co-development PartnerAnnounced on2026-05-06
Description

Aventum Group's first MGA acquisition - Marine specialist Post & Co founded in 1918, headquartered in Rotterdam. Operates from four offices across Netherlands, Belgium, and Germany with 250 brokers across Europe and Asia.

Strategic tierCoreTypeTechnology or IntegrationAnnounced on2025-08-15
Description

In-house third-party administrator for equine insurance claims, providing 24/7 availability, rapid resolution with eCheck services, and specialist expertise in equine losses.

Strategic tierCoreTypeStrategic or Co-development PartnerAnnounced on2025-05-19
Description

Strategic partnership to deliver parametric insurance products for US dairy farmers. Combines AIR Parametric's weather-based solutions with Rokstone's underwriting expertise to create heat stress coverage triggered by Temperature Humidity Index.

Strategic tierCoreTypeStrategic or Co-development PartnerAnnounced on2024-11-01
Description

Launched Rokstone Parametric in collaboration with Lloyd's Syndicate 3939's NormanMax, combining parametric insurance expertise with Lloyd's market backing.

Recent move9 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight6 records

Each record includes

Type, Description

Peers10 records
TypeBroad incumbent
Description

Specialty insurer with deep Lloyd's presence and significant US specialty operations (including healthcare, professional lines, and marine). Overlaps directly with Rokstone Healthcare's target hires and specialty class footprint, but operates as a balance-sheet carrier rather than an MGA.

TypeBroad incumbent
Description

Lloyd's-listed specialty insurer with significant London Market and US specialty exposure across professional lines, marine, and casualty. Comparable specialty book overlap, but with full carrier balance sheet versus Rokstone's MGA commission model.

TypeBroad incumbent
Description

Specialty insurer writing trade credit, marine, energy, casualty, and professional lines through London and international offices. Comparable specialty class diversity and broker distribution, but balance-sheet carrier with deeper claims resources.

TypeBroad incumbent
Description

London-headquartered specialty insurer within Liberty Mutual, active across marine, energy, construction, and casualty. Comparable specialty class breadth and Lloyd's market presence, though as a major balance-sheet carrier.

TypeEmerging player
Description

Specialty insurance platform empowering MGAs with data, capital, and risk exchange capabilities. Conceptually comparable to Rokstone Synergy in enabling MGA growth through shared infrastructure and capacity.

TypeDirect peer
Description

Specialty insurance group operating through Lloyd's and company platforms with a mix of MGA partnerships and direct underwriting. Closely comparable hybrid MGA-plus-carrier model and broker-led specialty distribution.

7Arc Underwriting
TypeDirect peer
Description

London-based specialty MGA serving brokers across marine, energy, construction, and casualty. Directly comparable broker-only distribution and Lloyd's-backed specialty underwriting model.

8Apollo Syndicate (at Lloyd's)
TypeDirect peer
Description

Lloyd's specialty syndicate and MGA operator writing marine, aviation, energy, and specialty property. Comparable London Market specialty underwriting via Lloyd's boxes and broker distribution.

TypeDirect peer
Description

London-headquartered specialty MGA focused on niche commercial lines for brokers globally. Closest direct peer given similar Lloyd's-backed MGA model, broker-only distribution, and technology-led underwriting approach.

TypeBroad incumbent
Description

Large global specialty insurer within Allianz, writing marine, construction, energy, aviation and liability lines. Overlaps with Rokstone Construction Risk and Marine books, but at vastly larger scale and with full carrier balance sheet.

Market position
Strengths5 records

Each record includes

Headline, Details, Source

Weaknesses5 records

Each record includes

Headline, Details, Source

Competitive moat5 records

Each record includes

Type, Details

Key risks7 records

Each record includes

Headline, Details, Source

Key highlights7 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Named customers3 records

Each record includes

Name, Industry, Type, Use case, Source, UUID

Segment8 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile1 record

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
No
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature4 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles11 records

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

Subsidiaries11 records

Each record includes

Name, Acquired on, Relationship type, Type, Business focus

No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Rokstone Underwriting

Specialty Insurance Underwriting (MGA)rokstoneuw.com

Rokstone Underwriting firmographics

Firmographics
Name
Rokstone Underwriting
Legal name
Rokstone Group Limited
Website
https://rokstoneuw.com
Company type
Private
Operating status
Operating
Headcount range
101–250 employees
Ownership category
akta.pro rank

Rokstone Underwriting industry classification

Industry
Product category
Specialty Insurance Underwriting (MGA)
NAICS
Finance and Insurance (52)
akta.pro primary industry
Insurance Program Administration & MGA/MGU Services (FSAEADAK)

Keywords

  • Specialty insurance underwriting
  • Managing general agent
  • Property casualty insurance
  • Wholesale insurance brokerage
  • Reinsurance services

Where Rokstone Underwriting is headquartered

Location

Headquarters

HQ city
London
HQ country
United Kingdom
HQ region
Europe

Offices18 records

Markets served

Rokstone Underwriting business model

Business model
GTM type
B2B
Offering type
Services
Cost components
Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

  1. MGA Insurance Premium Placement: As a Managing General Agent, Rokstone earns commission income by placing specialty insurance and reinsurance premiums on behalf of capacity providers (Lloyd's syndicates, A-rated carriers). Revenue is commission-based on gross written premium.
  2. Synergy MGA Launch Platform: Rokstone Synergy enables entrepreneurial underwriters to launch subsidiary MGAs with equity from day one, providing platform infrastructure and taking a share of underwriting results.

Pricing tiers

ModelBillingPrice
SubscriptionAnnualEquine Mortality with Major Medical Reimbursement
SubscriptionAnnualFarm and Ranch Package - Property, Liability, Auto, Excess
SubscriptionAnnualCommercial Agriculture Property Program
SubscriptionAnnualExcess Layer Professional Indemnity Facility

Go-to-market motion4 records

Distribution channels4 records

Marketing channels6 records

Rokstone Underwriting product offering

Product offering

Core offering

Rokstone Underwriting is a global specialty (re)insurance Managing General Agent (MGA) that underwrites and places complex property, casualty, marine, agriculture, construction, professional indemnity, healthcare, credit and surety, parametric and consumer protection risks on behalf of A-rated capacity providers. The company distributes exclusively through wholesale brokers (100% wholesale model) and powers underwriting with its proprietary in-house platform, ATOMX. It also offers Rokstone Synergy, a packaged platform enabling entrepreneurial underwriters to launch their own MGAs with equity, compliance, HR, marketing and data science support.

Product overview

Rokstone is a global specialty (re)insurance managing general agent (MGA) operating as a platform-plus-modules architecture. The core proprietary technology platform ATOMX powers underwriting across multiple specialized sub-brands and products. The portfolio includes: Rokstone Agriculture (US livestock mortality, Farm & Ranch, Equine Mortality, Commercial Agriculture Property); Rokstone Construction Risk Underwriters (Builders' Risk, General Liability); iSure Underwriting (Ireland and UK SME professional indemnity); Novus Underwriting (consumer protection products); Aura Underwriting; iFarm Underwriting; Rokstone Healthcare (newly launched); and specialty lines including Marine, International Casualty, Cargo Stock-Only, Credit & Surety, and Specialty Treaty Reinsurance. Rokstone Synergy enables entrepreneurial underwriters to launch their own MGAs with equity from day one. The company writes USD 1.1 billion in gross written premium across 7 countries with 400 staff and 30 capacity partners.

Differentiator

Problem solved

Functional benefit

Products and services

  • ATOMX Proprietary Underwriting Platform Proprietary in-house technology ecosystem that streamlines underwriting, automates admin, speeds up quote turnaround, powers online quote-and-bind, and provides data-driven insights for smarter underwriting decisions across Rokstone's specialty portfolio.
  • Rokstone Synergy MGA Launch Platform Packaged platform that enables entrepreneurial underwriters to launch their own MGA with equity from day one, providing compliance, HR, marketing, data science, technology (ATOMX), claims handling, capacity management, digital distribution, finance and operations support. MGA can launch in as little as 6-8 weeks.
  • Rokstone Agriculture US agriculture and livestock insurance MGA offering livestock mortality, farm and ranch, equine mortality, commercial agriculture property, and heat stress parametric cover, distributed via wholesale brokers across the US.
  • Rokstone Construction Risk Underwriters (CRU) Specialist construction risk MGA offering Builders' Risk (USD 125 million capacity) and Primary GL Wrap (USD 5 million) for wood-frame construction projects, backed by A-rated capacity.
  • iSure Underwriting UK UK SME insurance MGA offering professional indemnity and financial lines coverage to UK SMEs via wholesale brokers, with a new Excess Layer PI facility adding higher limits.
  • iSure Underwriting Ireland Irish SME insurance MGA offering professional indemnity and financial lines coverage to Irish SMEs via wholesale brokers, supported by a three-year capacity deal with A-rated Great American.
  • Novus Underwriting Consumer Protection Products Consumer protection insurance MGA writing GBP 270m+ GWP annually, providing mobile device protection, extended vehicle warranty, GAP insurance, affinity programmes, appliance and furniture warranty, and financial protection.
  • Aura Underwriting Underwriting brand within Rokstone's portfolio of specialty insurance brands offering tailored underwriting solutions.
  • iFarm Underwriting Agricultural underwriting brand within Rokstone's portfolio serving farm and agricultural business needs.
  • Rokstone Healthcare New US healthcare division offering multi-line coverage spanning professional, general, and sexual abuse liability for middle-market and large healthcare facilities, with planned expansion into the small business segment.
  • Rokstone Klik Digital Economy Liability Platform Specialist casualty platform dedicated to underwriting liability risks arising from the digital economy and next-generation mobility, with claims handled in partnership with Reserv.
  • Marine Insurance (Including Singapore Marine MGA) Global marine insurance portfolio covering cargo, hull, liability, inland marine, and stock-only risks, with a Singapore-based MGA as the regional centre. Includes $25m Lloyd's capacity from QBE Asia.
  • International Casualty Binder (Dubai) International Casualty binder from Rokstone's Dubai office providing up to $25 million capacity on lead or follow primary basis, covering public and products liability, sudden and accidental pollution, and employers' liability across Middle East, Africa, Asia and Pacific.
  • Credit and Surety Treaty Capacity Credit and Surety treaty capacity of USD/EUR 11 million per risk treaty, available across Europe, Asia, Africa, the Middle East, and Latin America for bonds and credit risks.
  • Specialty Treaty Reinsurance Portfolio Specialty Treaty Reinsurance portfolio bringing high-quality capacity, technical depth and underwriting leadership to complex specialty risks.
  • Parametric Insurance (Heat Stress & Weather) Parametric insurance solutions including Rokstone Parametric (launched with Lloyd's Syndicate 3939's NormanMax) and heat stress cover for US dairy farmers in partnership with AIR Parametric, using indices such as THI to trigger automatic payouts.
  • Cargo Stock-Only Insurance Program Insurance program providing flexible coverage with competitive premiums for inventory/stock risks, offering $25 million capacity, flat deductibles as low as $10,000, catastrophe cover, and protection for full value of inventory.
  • Commercial Agriculture Property Program Broad, flexible property program for US commercial agriculture operations backed by $25m non-admitted A-rated capacity, covering buildings, stock, and perishable stock.
  • US Equine Mortality Insurance US equine mortality cover with major medical reimbursement options between $7,500 and $15,000, and enhanced limits up to $17,500 for high-value Sport Horses, supported by $1m admitted A-rated capacity from PSIC.
  • iSure Excess Layer Professional Indemnity Facility Excess Layer Professional Indemnity facility allowing iSure to underwrite higher limits with €6.5 million capacity, broadening market reach across professional and financial lines.
  • Rokstone CRU Primary GL Wrap Program USD 5 million Primary General Liability Wrap program complementing Rokstone CRU's USD 125 million Builders' Risk capacity, for large wood-frame construction projects.
  • Farm and Ranch Package (Property, Liability, Auto, Excess) Farm and Ranch package offering property ($15m), liability ($1m), auto liability ($1m) and excess ($5m) cover for US agricultural operations, backed by A+/XV rated admitted capacity.

Quantifiable outcome

  • Quote turnaround reduced from 15 business days to minutes
  • +3 more outcomes

Companies that use Rokstone Underwriting

Customer profile

Named customers3 records

Segments8 records

Ideal customer profiles1 record

Rokstone Underwriting technology and API

Technology

Technology focussed No

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature4 records

Rokstone Underwriting partnerships and signals

Strategic signal

Partnerships

Five partnerships are on record, tiered core and flagship.

  • ReservcoreTechnology or Integration · 27 May 2026Claims TPA partnership for Rokstone Klik's casualty platform. Reserv provides US and UK based claims handling built for complex, high-volume, technology-enabled risks with AI capabilities and real-time data insight.
  • Post & CoflagshipStrategic or Co-development Partner · 6 May 2026Aventum Group's first MGA acquisition - Marine specialist Post & Co founded in 1918, headquartered in Rotterdam. Operates from four offices across Netherlands, Belgium, and Germany with 250 brokers across Europe and Asia.
  • Verus Claims ManagementcoreTechnology or Integration · 15 August 2025In-house third-party administrator for equine insurance claims, providing 24/7 availability, rapid resolution with eCheck services, and specialist expertise in equine losses.
  • AIR ParametriccoreStrategic or Co-development Partner · 19 May 2025Strategic partnership to deliver parametric insurance products for US dairy farmers. Combines AIR Parametric's weather-based solutions with Rokstone's underwriting expertise to create heat stress coverage triggered by Temperature Humidity Index.
  • Lloyd's Syndicate 3939 (NormanMax)coreStrategic or Co-development Partner · 1 November 2024Launched Rokstone Parametric in collaboration with Lloyd's Syndicate 3939's NormanMax, combining parametric insurance expertise with Lloyd's market backing.

Scale indicators13 records

Recent moves9 records

Expansion highlights6 records

Rokstone Underwriting competitors and assessment

Company assessment

Broad incumbents

  • Beazley: Specialty insurer with deep Lloyd's presence and significant US specialty operations (including healthcare, professional lines, and marine). Overlaps directly with Rokstone Healthcare's target hires and specialty class footprint, but operates as a balance-sheet carrier rather than an MGA.
  • Hiscox: Lloyd's-listed specialty insurer with significant London Market and US specialty exposure across professional lines, marine, and casualty. Comparable specialty book overlap, but with full carrier balance sheet versus Rokstone's MGA commission model.
  • Markel International: Specialty insurer writing trade credit, marine, energy, casualty, and professional lines through London and international offices. Comparable specialty class diversity and broker distribution, but balance-sheet carrier with deeper claims resources.
  • Liberty Specialty Markets: London-headquartered specialty insurer within Liberty Mutual, active across marine, energy, construction, and casualty. Comparable specialty class breadth and Lloyd's market presence, though as a major balance-sheet carrier.
  • Allianz Global Corporate & Specialty: Large global specialty insurer within Allianz, writing marine, construction, energy, aviation and liability lines. Overlaps with Rokstone Construction Risk and Marine books, but at vastly larger scale and with full carrier balance sheet.

Emerging players

  • Accelerant: Specialty insurance platform empowering MGAs with data, capital, and risk exchange capabilities. Conceptually comparable to Rokstone Synergy in enabling MGA growth through shared infrastructure and capacity.

Direct peers

  • Ascot Group: Specialty insurance group operating through Lloyd's and company platforms with a mix of MGA partnerships and direct underwriting. Closely comparable hybrid MGA-plus-carrier model and broker-led specialty distribution.
  • Arc Underwriting: London-based specialty MGA serving brokers across marine, energy, construction, and casualty. Directly comparable broker-only distribution and Lloyd's-backed specialty underwriting model.
  • Apollo Syndicate (at Lloyd's): Lloyd's specialty syndicate and MGA operator writing marine, aviation, energy, and specialty property. Comparable London Market specialty underwriting via Lloyd's boxes and broker distribution.
  • CFC Underwriting: London-headquartered specialty MGA focused on niche commercial lines for brokers globally. Closest direct peer given similar Lloyd's-backed MGA model, broker-only distribution, and technology-led underwriting approach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

Rokstone Underwriting social profiles

Digital presence

Rokstone Underwriting financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Rokstone Underwriting leadership team

Management profile

Number of profiles

Profiles11 records

Rokstone Underwriting subsidiaries and ownership

Company hierarchy

Subsidiaries11 records

Rokstone Underwriting funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Rokstone Underwriting M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rokstone Underwriting

What does Rokstone Underwriting do?

Rokstone Underwriting is a global specialty (re)insurance Managing General Agent (MGA) that underwrites and places complex property, casualty, marine, agriculture, construction, professional indemnity, healthcare, credit and surety, parametric and consumer protection risks on behalf of A-rated capacity providers. The company distributes exclusively through wholesale brokers (100% wholesale model) and powers underwriting with its proprietary in-house platform, ATOMX. It also offers Rokstone Synergy, a packaged platform enabling entrepreneurial underwriters to launch their own MGAs with equity, compliance, HR, marketing and data science support.

Is Rokstone Underwriting a public or private company?

Rokstone Underwriting is a private company. It is classified as corporate owned and is currently operating.

When was Rokstone Underwriting founded?

Rokstone Underwriting was founded in -1. It employs 101 to 250 people.

Where is Rokstone Underwriting based?

Rokstone Underwriting is headquartered in London, United Kingdom, in the Europe region.

How does Rokstone Underwriting make money?

Two revenue lines are on record. MGA Insurance Premium Placement is the primary driver. The others are synergy MGA Launch Platform.

Who are Rokstone Underwriting's main competitors?

Broad incumbents on record are Beazley, Hiscox, Markel International, Liberty Specialty Markets and Allianz Global Corporate & Specialty. Accelerant is listed as an emerging player. Direct peers are Ascot Group, Arc Underwriting, Apollo Syndicate (at Lloyd's) and CFC Underwriting.

Does Rokstone Underwriting have an API?

No public API is recorded for Rokstone Underwriting.

What industry is Rokstone Underwriting in?

Rokstone Underwriting's product category is Specialty Insurance Underwriting (MGA). Its primary akta.pro industry code is FSAEADAK, Insurance Program Administration & MGA/MGU Services. Its NAICS code is 52.

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ReinsuranceNe.wsRokstone strengthens Allied Health and Human Services team with new underwriterRokstone appointed Jamie Millane as underwriter in its Allied Health & Human Services division. He brings 15 years of insurance experience, including seven years in US healthcare, and will focus on middle-market US allied health and outpatient facilities. He will work with Natalie Mauro, who leads the Healthcare Division.ReinsuranceNe.wsPost & Co to commence underwriting as part of Rokstone following regulatory approvalPost & Co received regulatory approval to begin underwriting as part of Rokstone, an international specialty reinsurance MGA. The acquisition, announced in May 2026, expands Rokstone's marine proposition across continental Europe. The company will build on its 100-year experience in marine underwriting.Insurance TimesThe biggest people moves this weekInsurance Times reported on leadership appointments across the insurance sector from 24 to 28 August 2026, including Allianz Commercial naming Emma Woolley president of global specialty and UK region, Aon appointing Piers Johansen to lead its UK M&A and transaction solutions business, and Lockton, Partners& and Rokstone Underwriting adding Louise Piper, Billy Manley and Sam James respectively.ReinsuranceNe.wsJames Hebert named Head of US Financial Lines, RokstoneRokstone, an international specialty re/insurance managing general agent, has appointed James Hebert as Head of US Financial Lines to lead the launch of its new US Errors & Omissions Division, based in New York. Hebert joins from AIG where he served as Head of Professional Liability & Cyber, North America, and will oversee the build-out of the division supported by A-rated capacity from Builders Insurance with an initial USD 5 million line for professional liability. The company will deploy Aventum's proprietary ATOMX platform to enable end-to-end quote, bind, and issuance capabilities across SME and mid-market risks.Insurance Business AmericaRokstone appoints James Hebert to lead new US Errors & Omissions divisionRokstone has appointed James Hebert as head of US Financial Lines to lead the launch of a new Errors & Omissions division with an initial $5 million capacity, supported by A-rated capacity from Builders Insurance. The company is deploying Aventum's ATOMX platform to facilitate digital trading for SME and mid-market risks as part of its broader growth in financial lines. The launch is part of Rokstone's ongoing expansion across multiple lines including property, casualty, and professional indemnity worldwide.Insurance TimesRokstone makes senior appointments to agricultural and SME businessesSpecialty (re)insurance MGA Rokstone has announced senior appointments to its iFarm Underwriting and iSure Underwriting businesses, with Adam McWilliams and Gurjot Bagri joining as underwriters from NFU Mutual and Markel respectively. Lee Ellis, who previously led both business lines since 2022, has moved to a newly created digital prioritisation role and is succeeded by Shane Mustill as head of distribution. The managing director emphasised the appointments represent continuity alongside continued investment in digital capabilities and underwriting talent.ReinsuranceNe.wsRokstone launches healthcare division and hires Natalie MauroRokstone, an international specialty re/insurance managing general agent, has launched Rokstone Healthcare, a new division targeting US middle-market and large risks across allied health, social services, and outpatient facilities, with plans to expand into the small business segment. The platform will offer multi-line coverage spanning professional, general, and sexual abuse liability and will leverage Rokstone's proprietary ATOMX technology to streamline underwriting workflows. The company also announced the appointment of Natalie Mauro as Head of Allied Health & Human Services, effective June 2026, who joins from Beazley where she spent the past 10 years.ReinsuranceNe.wsRokstone expands Singapore marine team with Jackie LanRokstone, an international specialty re/insurance managing general agent, has appointed Jackie Lan as Underwriter in its Singapore marine team, bringing 15 years of marine industry experience. The appointment supports Rokstone's Singapore marine MGA, established in June 2025 with a $25 million Lloyd's capacity deal, as it targets $50 million in gross written premium within five years. Lan joins from QBE Asia where she served as Senior Hull Underwriter, and her hire is the third key underwriting addition to Rokstone's Singapore team following Sharon Seah and Hui Ling Long in October 2025.Insurance Business AmericaNemesis Specialty Underwriting launches in MauritiusTRM Holdings has rebranded its subsidiary Rokstone Underwriting Mauritius as Nemesis Specialty Underwriting Ltd. following regulatory approval from the Financial Services Commission (FSC) to target Africa's specialty insurance market. The new managing general agent will offer fully secured submit-and-bind capacity backed by A-rated London market insurers, aiming to address the continent's underserved insurance sector.Insurance Business AmericaRokstone reorganizes leadership around ATOMX platform strategyRokstone has reorganized its senior leadership team around the deployment of its ATOMX platform, involving three new appointments: Nadine Kearney as chief underwriting & risk officer, Robin Ungless as chief underwriting officer, and Martin Thomas as global COO. These changes are part of a broader strategy to integrate the platform across underwriting, risk management, and operations to enhance efficiency and scalability. The leadership restructuring follows recent expansions into casualty, surety, and property underwriting, aiming to increase premium generation and improve global underwriting capabilities.