538 Underwriting
- Company typePrivate
- Founded-
- HeadquartersLondon, United Kingdom
- Headcount11–50
- GTM typeB2B
- OfferingServices
What 538 Underwriting does
538 Underwriting is a London-based Managing General Agent (MGA) that underwrites specialist insurance products for the construction and engineering sector. The firm trades through two FCA-authorized UK limited companies — Chase Global UK Limited (FCA no. 800005) and Ensurance UK Limited (FCA no. 785233) — both registered at 75 King William Street, EC4N 7BE. Its operating model is human-led and bespoke: empowered underwriters construct tailored policies for individual construction projects and contractor clients, rather than distributing standardized off-the-shelf products.
The product portfolio comprises six core lines: Annual Contractors Combined, Annual Contractors All Risks, UK Project Contractors All Risk, USA Project Builders All Risk, Contractors Plant & Equipment, and Terrorism & Sabotage coverage. Together these address the major risk categories a construction contractor faces — broad annual liability, project-specific all-risk (separately packaged for UK and US markets), equipment damage, and political/malicious acts. Pricing is quote-based, determined per project or annual contract, with a stated multi-year contract cadence; premiums flow through the FCA-authorized entities and are the primary revenue mechanism.
Go-to-market is direct enterprise field sales targeting construction and engineering contractors globally, with a website-driven top-of-funnel that funnels prospects to phone (+44 (0)203 929 5507) and email ([email protected]) for bespoke quotes. The firm holds Managing General Agents Association (MGAA) certification, signaling adherence to UK MGA industry standards. The firm is privately held with 11–50 employees, no disclosed funding history, no named customers, and no disclosed revenue figures — making external triangulation of scale and growth dependent on the dual-license footprint and the US-product extension as the primary observable expansion signals.
538 Underwriting firmographics
Firmographics- Name
- 538 Underwriting
- Legal name
- Chase Global UK Limited
- Website
- https://ensuranceuk.com
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
538 Underwriting industry classification
Industry- Product category
- Construction Insurance
- NAICS
- Insurance Agencies and Brokerages (52421)
- SIC
- Insurance Agents, Brokers & Service (6411)
- akta.pro primary industry
- Insurance Program Administration & MGA/MGU Services (FSAEADAK)
- akta.pro secondary industry
- Mid-Market Commercial Package (Package Policies) (FSAJAFAB)
Keywords
Where 538 Underwriting is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
538 Underwriting business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Others
Revenue model
- Insurance Premiums: As a Managing General Agent (MGA), 538 Underwriting earns revenue through insurance premiums collected on underwritten construction policies. They design and administer bespoke insurance products for the construction sector, with premiums flowing through their FCA-authorized operations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Quote-based bespoke insurance policies |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
538 Underwriting product offering
Product offeringCore offering
538 Underwriting operates as a Managing General Agent (MGA) providing bespoke insurance solutions for construction and engineering projects globally. Its product portfolio spans annual contractors combined and all-risks policies, project-specific all-risks coverage for the UK and USA markets, contractors plant and equipment coverage, and terrorism and sabotage protection. Policies are tailored by empowered underwriters to meet specific customer risk profiles across project, annual, and specialized risk lines.
Product overview
538 Underwriting is a Managing General Agent (MGA) specializing in construction and engineering insurance solutions for global markets. The company operates as a single-product portfolio platform offering six distinct insurance products: Annual Contractors Combined and Annual Contractors All Risks (annual policy formats providing broad contractor coverage), UK Project Contractors All Risk and USA Project Builders All Risk (project-specific all-risks products for UK and US markets respectively), Contractors Plant & Equipment (specialized coverage for construction machinery and tools), and Terrorism & Sabotage (specialist coverage for political and malicious acts). The products are designed to be bespoke solutions that underwriters can tailor to meet specific customer needs in the construction sector.
Differentiator
Problem solved
Functional benefit
Products and services
- Annual Contractors Combined
Companies that use 538 Underwriting
Customer profileSegments1 record
Ideal customer profiles1 record
538 Underwriting technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
538 Underwriting partnerships and signals
Strategic signalScale indicators1 record
Recent moves4 records
538 Underwriting competitors and assessment
Company assessmentBroad incumbents
- AIG: AIG is a major global insurer with a substantial construction and engineering book via its Lexington and commercial lines. It is comparable to 538 as a large incumbent provider of construction all-risk and contractor cover, operating at much broader scale and across many additional lines.
- Allianz Global Corporate & Specialty: Allianz Global Corporate & Specialty (AGCS) is a major global insurer with significant construction and engineering capabilities. It is comparable to 538 as an incumbent construction risk carrier, with broader portfolios and balance sheet capacity than specialist MGAs.
- Travelers: Travelers is a large US-headquartered property and casualty insurer with a dedicated construction division. It is comparable to 538 as an incumbent provider of builders risk and contractor cover, operating at significantly larger scale across many lines beyond construction.
- AXA XL: AXA XL is a global specialty insurer with a strong construction and engineering practice. It is comparable to 538 as an incumbent construction risk carrier, though with a broader product portfolio and balance sheet capacity that dwarf specialist MGAs.
- Zurich Insurance: Zurich is a major global insurer with a substantial construction and engineering line of business. It is comparable to 538 as an incumbent provider of construction all-risk and contractor cover, though it operates at much broader scale and offers a wider portfolio beyond construction specialty.
Direct peers
- CFC Underwriting: CFC Underwriting is a London-based specialty MGA with an empowered underwriter culture, writing niche commercial lines. It is comparable to 538 as a similarly structured London MGA that builds bespoke specialist cover around complex risks rather than distributing off-the-shelf policies.
- Hiscox: Hiscox is a London-headquartered specialty insurer that combines carrier and MGA-style delegated underwriting, with a strong focus on commercial and contractor lines. It is comparable to 538 in its London heritage, specialty/complex risk focus, and empowered underwriter approach.
- Burns & Wilcox: Burns & Wilcox is a specialty insurance wholesale broker and MGA platform with deep construction and contractor expertise. It is comparable to 538 for its focus on construction and contractor risks and its use of delegated authority / MGA arrangements to deliver specialist products.
- Markel International: Markel International is a specialty insurer and MGA operator headquartered in London with significant construction and engineering lines. It is comparable to 538 as a specialty MGA/insurer pairing focused on construction, engineering, and contractor risks with bespoke underwriting.
- Amwins: Amwins is one of the largest specialty MGAs and wholesale distributors in the US, with significant construction and property capabilities. It is comparable to 538 as an MGA-led specialty distribution platform targeting complex and non-standard risks.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights6 records
Customer concentration
538 Underwriting compliance and trust
Trust signalCompliance2 records
538 Underwriting financial estimates
Financial estimateRevenue estimate
Valuation estimate
538 Underwriting leadership team
Management profileNumber of profiles
538 Underwriting funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
538 Underwriting M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about 538 Underwriting
What does 538 Underwriting do?
538 Underwriting operates as a Managing General Agent (MGA) providing bespoke insurance solutions for construction and engineering projects globally. Its product portfolio spans annual contractors combined and all-risks policies, project-specific all-risks coverage for the UK and USA markets, contractors plant and equipment coverage, and terrorism and sabotage protection. Policies are tailored by empowered underwriters to meet specific customer risk profiles across project, annual, and specialized risk lines.
Is 538 Underwriting a public or private company?
538 Underwriting is a private company. It is classified as unknown and is currently operating.
When was 538 Underwriting founded?
538 Underwriting was founded in -1. It employs 11 to 50 people.
Where is 538 Underwriting based?
538 Underwriting is headquartered in London, United Kingdom, in the Europe region.
How does 538 Underwriting make money?
One revenue line is on record: insurance Premiums.
Who are 538 Underwriting's main competitors?
Broad incumbents on record are AIG, Allianz Global Corporate & Specialty, Travelers, AXA XL and Zurich Insurance. Direct peers are CFC Underwriting, Hiscox, Burns & Wilcox, Markel International and Amwins.
Does 538 Underwriting have an API?
No public API is recorded for 538 Underwriting.
What industry is 538 Underwriting in?
538 Underwriting's product category is Construction Insurance. Its primary akta.pro industry code is FSAEADAK, Insurance Program Administration & MGA/MGU Services, with a secondary code of FSAJAFAB, Mid-Market Commercial Package (Package Policies). Its NAICS code is 52421 and its SIC code is 6411.