Berkley Custom Insurance Managers
Berkley Custom Insurance Managers is a wholesale-exclusive excess and surplus lines managing general agent within W.R. Berkley Corporation, underwriting umbrella and excess casualty coverage across Construction, Manufacturing, Financial Institutions, Retail, Public Entities, and midstream/downstream Oil & Gas for appointed wholesale brokers.
- Company typePrivate
- Founded1994
- HeadquartersStamford, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
Berkley Custom Insurance Managers firmographics
Firmographics- Name
- Berkley Custom Insurance Managers
- Legal name
- Berkley Custom Insurance Managers
- Website
- https://berkleycustom.com
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Berkley Custom Insurance Managers is a wholesale-exclusive excess and surplus lines managing general agent within W.R. Berkley Corporation, underwriting umbrella and excess casualty coverage across Construction, Manufacturing, Financial Institutions, Retail, Public Entities, and midstream/downstream Oil & Gas for appointed wholesale brokers.
- Ownership category
- akta.pro rank
Berkley Custom Insurance Managers industry classification
Industry- Product category
- Excess Casualty Insurance
- NAICS
- Agencies, Brokerages, and Other Insurance Related Activities (5242), Insurance Carriers and Related Activities (524)
- SIC
- Fire, Marine & Casualty Insurance (6331), Insurance Agents, Brokers & Service (6411)
- akta.pro primary industry
- Excess Casualty (Lead/Umbrella/XS) (FSAJAGAA)
- akta.pro secondary industries
- Construction Specialty (Wrap-Ups/Builders Risk/Contractors) (FSAJAGAH), Product Liability Umbrella / Excess (FSAJANAI), Premises/Operations Liability Umbrella / Excess (FSAJANAL)
Keywords
Where Berkley Custom Insurance Managers is headquartered
LocationHeadquarters
- HQ city
- Stamford
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Berkley Custom Insurance Managers business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure
Revenue model
- Insurance Premiums - Excess Casualty: Generates revenue through insurance premiums for excess liability and umbrella coverage. Operates as a managing general agent within W.R. Berkley Corporation, placing both admitted and non-admitted (surplus lines) insurance products.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom excess casualty coverage with capacity up to $75M |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels2 records
Berkley Custom Insurance Managers product offering
Product offeringCore offering
Berkley Custom Insurance Managers underwrites and issues customized excess casualty insurance solutions — including Excess Liability, Umbrella Liability, and Pollution Liability — on both admitted and non-admitted (surplus lines) paper. The firm operates exclusively through appointed wholesale brokers, providing up to $85 million of available capacity with the ability to participate in multiple excess layers on large placements, and serves middle-market to Fortune 500 accounts across Construction, Manufacturing, Financial Institutions, Retail/Wholesale Trade, Public Entities, and Oil & Gas (midstream and downstream).
Product overview
Berkley Custom Insurance Managers operates as a wholesale excess and surplus lines insurance provider offering a unified portfolio of casualty insurance solutions. The core offerings include Umbrella Liability and Excess Liability products available in both Occurrence and Claims Made policy forms, complemented by Named Peril and Time Element Pollution coverage. The company provides up to $85 million in available capacity with the ability to offer up to $50 million on a single placement, typically ventilated across multiple excess layers. Policy forms include Manuscript Forms tailored to individual risk needs and ISO-based forms. The company specializes in serving the wholesale brokerage community exclusively, with target classes spanning Construction, Manufacturing, Financial Institutions, Retail/Wholesale Trade, Public Entities, and Oil & Gas (midstream and downstream only).
Differentiator
Problem solved
Functional benefit
Products and services
- Umbrella Liability Umbrella and excess liability coverage issued in both Occurrence and Claims Made policy forms, designed to protect against catastrophic losses for middle-market to Fortune 500 insureds placed through appointed wholesale brokers.
- Excess Liability Excess liability coverage offered as Occurrence or Claims Made policies with the capacity to participate in multiple excess layers for large placements, supporting middle-market to Fortune 500 risks placed via wholesale brokers.
- Pollution Liability Named peril and time element pollution coverage offered as part of Berkley Custom's casualty insurance capabilities for wholesale broker-placed risks.
- Claims Management Services Claims reporting and management services across multiple policy prefixes (CUX, CEX, CGX, SRX, BXS, BEX, EX, FXC, CBX, MKC, TXS, FEI, HPM, MKA, MKG, SCA, SCG, SFP, SIM, SUM, SML, SPK, XSM), provided to wholesale brokers and their insured customers.
Quantifiable outcome
- $85 Million available capacity
- +2 more outcomes
Companies that use Berkley Custom Insurance Managers
Customer profileSegments6 records
Ideal customer profiles4 records
Berkley Custom Insurance Managers technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Berkley Custom Insurance Managers partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- W. R. Berkley CorporationcoreBerkley Custom Insurance Managers is a member company of W. R. Berkley Corporation. W.R. Berkley is a Fortune 500 insurance company that provides the rated paper (A+ XV by A.M. Best) for Berkley Custom's insurance products. The parent company provides financial strength and brand reputation.
Scale indicators6 records
Recent moves5 records
Expansion highlights4 records
Berkley Custom Insurance Managers competitors and assessment
Company assessmentDirect peers
- Berkley Excess Managers: A sister Berkley subsidiary also operating in the excess casualty space, accessed via the same corporate website navigation. It is a direct peer within the W.R. Berkley ecosystem competing for similar wholesale-broker-placed excess casualty risks.
- Admiral Insurance Group: A W.R. Berkley member company that writes E&S casualty and excess lines through wholesale distribution. Directly comparable because it shares parent-company paper and writes overlapping excess casualty risks for similar broker channels.
- James River Insurance Company: Specialty E&S writer focused on excess and surplus casualty, including umbrella and excess liability placed through wholesale brokers. A direct peer with similar target classes (construction, manufacturing, public entities) and comparable multi-layer placement capability.
- Essex Insurance Company: A Westfield Group company writing E&S casualty products through wholesale distribution. Comparable on excess liability placements with overlapping target industries including construction and manufacturing.
- General Star Management: Specialty E&S writer providing excess casualty and umbrella capacity through wholesale brokers. A direct peer competing on similar large-placement excess liability business with comparable admitted/non-admitted paper flexibility.
- United National Insurance Company: Specialty surplus lines carrier writing casualty business through wholesale brokers, including excess liability. Comparable in product mix (umbrella and excess) and distribution channel (wholesale-only).
- Maxum Specialty Insurance Group: Specialty E&S writer providing excess casualty and other specialty coverages through wholesale distribution. Comparable in operating model (managing general agent-like), product scope (excess casualty), and target customer profile (middle market to Fortune 500).
Broad incumbents
- Markel Corporation: A large specialty insurer with significant excess and surplus casualty capacity through wholesale brokers. A broader incumbent operating across many specialty lines, but directly comparable on excess casualty where it competes head-to-head with Berkley Custom for Fortune 500 placements.
- Scottsdale Insurance Company: A Nationwide company writing surplus lines including excess casualty through wholesale distribution. A broader incumbent with multiple specialty lines, but directly competitive in the excess casualty space Berkley Custom targets.
Emerging players
- RLI Insurance Company: Specialty insurer with excess casualty and umbrella capability. A focused specialty player that overlaps with Berkley Custom in excess placements for middle-market and select Fortune 500 accounts.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Berkley Custom Insurance Managers social profiles
Digital presenceBerkley Custom Insurance Managers compliance and trust
Trust signalCompliance2 records
Berkley Custom Insurance Managers financial estimates
Financial estimateRevenue estimate
Valuation estimate
Berkley Custom Insurance Managers leadership team
Management profileNumber of profiles
Profiles10 records
Berkley Custom Insurance Managers subsidiaries and ownership
Company hierarchySubsidiaries1 record
Berkley Custom Insurance Managers funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Berkley Custom Insurance Managers 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 Berkley Custom Insurance Managers
What does Berkley Custom Insurance Managers do?
Berkley Custom Insurance Managers underwrites and issues customized excess casualty insurance solutions — including Excess Liability, Umbrella Liability, and Pollution Liability — on both admitted and non-admitted (surplus lines) paper. The firm operates exclusively through appointed wholesale brokers, providing up to $85 million of available capacity with the ability to participate in multiple excess layers on large placements, and serves middle-market to Fortune 500 accounts across Construction, Manufacturing, Financial Institutions, Retail/Wholesale Trade, Public Entities, and Oil & Gas (midstream and downstream).
Is Berkley Custom Insurance Managers a public or private company?
Berkley Custom Insurance Managers is a private company. It is classified as corporate owned and is currently operating.
When was Berkley Custom Insurance Managers founded?
Berkley Custom Insurance Managers was founded in 1994. It employs 51 to 100 people.
Where is Berkley Custom Insurance Managers based?
Berkley Custom Insurance Managers is headquartered in Stamford, United States, in the North America region.
How does Berkley Custom Insurance Managers make money?
One revenue line is on record: insurance Premiums - Excess Casualty.
Who are Berkley Custom Insurance Managers's main competitors?
Direct peers on record are Berkley Excess Managers, Admiral Insurance Group, James River Insurance Company, Essex Insurance Company, General Star Management, United National Insurance Company and Maxum Specialty Insurance Group. Broad incumbents are Markel Corporation and Scottsdale Insurance Company. RLI Insurance Company is listed as an emerging player.
Does Berkley Custom Insurance Managers have an API?
No public API is recorded for Berkley Custom Insurance Managers.
What industry is Berkley Custom Insurance Managers in?
Berkley Custom Insurance Managers's product category is Excess Casualty Insurance. Its primary akta.pro industry code is FSAJAGAA, Excess Casualty (Lead/Umbrella/XS), with a secondary code of FSAJAGAH, Construction Specialty (Wrap-Ups/Builders Risk/Contractors). Its NAICS code is 5242 and its SIC code is 6331.