Gallagher Bassett International

Name

Gallagher Bassett International

Legal name

Gallagher Bassett

Website

https://gallagherbassett.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Gallagher Bassett International is a third-party claims administrator and risk management services provider serving insurance carriers, self-insured employers, public entities, and specialty verticals including healthcare, construction, transportation, and retail. Operating as a subsidiary of Arthur J. Gallagher & Co. since 1962, it handles 800,000+ new claims annually across the US, UK/EMEA, and Australia.

Ownership category

akta.pro rank

Product category

Third-Party Claims Administration and Risk Management Services

NAICS

Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds (524292), Agencies, Brokerages, and Other Insurance Related Activities (5242), Insurance Agencies and Brokerages (524210)

SIC

Insurance Agents, Brokers & Service (6411)

akta.pro primary industry

Insurance Program Administration & MGA/MGU Services (FSAEADAK)

akta.pro secondary industries

Reinsurance Broker Analytics, Modeling & Advisory Services (FSAOAHAH), Reinsurance Program Structuring & Portfolio Solutions (Broker-led) (FSAOAHAJ), Captive Insurance Advisory & Management (FSAEADAF), Specialty Insurance Brokerage (Marine, Aviation, Cyber, Professional Lines) (FSAEADAJ)

Keywords

• Claims management services
• Third-party claims administration
• Risk control consulting
• Risk management information systems
• Insurance claims handling

Headquarters

HQ city

Tamworth

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Claims Management Services: Third-party administrator (TPA) services for insurance carriers, self-insured employers, public entities, and captives. Provides end-to-end claims handling from intake to resolution across all commercial insurance lines including workers' compensation, auto liability, general liability, property, and professional liability.
2. Risk Control Services: Risk management consulting including claims investigations, environmental health and safety, loss control, and safety training and education services to help organizations reduce losses and manage risk exposures.
3. Technology Solutions: Software-as-a-service access to proprietary RMIS platforms (Luminos, Genesis, GB Navigator) providing claims management, analytics, and reporting capabilities to clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

Gallagher Bassett provides third-party claims administration and risk management services for self-insured employers, insurance carriers, public entities, captives, and MGAs/MGUs across 11 commercial lines of business. Its portfolio includes end-to-end claims handling (intake to resolution), dedicated specialty practices (GB Healthcare, GB Specialty), risk control consulting (claims investigations, EHS, loss control, safety training), and proprietary technology platforms such as the Luminos RMIS, GB Navigator AI-enabled claims engagement platform, and GBGO mobile app.

Product overview

Gallagher Bassett offers a comprehensive, platform-plus-modules architecture for claims and risk management solutions. The core platform consists of Claims Management services covering 11 major lines of business (Workers' Compensation, Auto Liability, General Liability, Property, Specialty Liability, Professional and Executive Liability, Healthcare, Product Liability, Employment Practices Liability, Cyber/Tech E&O, and Litigation Management) and Risk Control services. Key technology products include Luminos RMIS (award-winning risk management information system), GB Navigator (AI-enabled claims engagement platform with Generative AI/Claim Summarizer), GBGO mobile app, Decision-Support Tools (TQI, Clinical Guidance), GBCARE for workers' comp pharmaceutical monitoring, Genesis proprietary RMIS for healthcare, and PC365 nurse triage. The GB Specialty sub-brand delivers complex, high-severity claims management while GB Healthcare focuses specifically on healthcare professional liability with over 100 years of combined experience and 98% client retention.

Differentiator

Problem solved

Functional benefit

Products and services

• Claims Management End-to-end third-party claims administration across 11 commercial lines of business, from intake to resolution, delivered by specialized Resolution Managers with complex liability expertise across industries. Customers include insurance carriers, self-insured employers, public entities, captives, and MGAs/MGUs.
• Risk Control Risk management consulting including Claims Investigations, Environmental Health and Safety, Loss Control, and Safety Training and Education services to help organizations reduce losses and manage risk exposures across industries.
• Carrier Practice Dedicated service team focused on the unique goals and objectives of insurance carriers, MGAs/MGUs, and alternative risk managers, with a global network of trusted experts supporting strategic business growth and legacy claims management.
• Luminos RMIS Award-winning Risk Management Information System platform providing configurable dashboards, benchmarking tools, and analytics for comprehensive claims and risk management across all lines of business. Sold to clients for real-time visibility and decision support.
• GB Navigator AI-enabled claims engagement platform that consolidates work items, tasks, and claims into a single interface with integrated Generative AI (Claim Summarizer) and streamlined portfolio views for Resolution Managers.
• GBGO Mobile Application Mobile application enabling claims handlers, field staff, and clients to manage claims, submit invoices, and access claims information on mobile devices for real-time claim handling and improved efficiency.
• GB Healthcare Healthcare professional liability claims and risk management consulting (formerly Western Litigation) for hospitals, healthcare systems, and medical professionals, with multidisciplinary expertise spanning claims management, risk mitigation, and litigation defense and a 98% client retention rate.
• GB Specialty Specialty claims and risk management division focusing on complex, high-severity claims across healthcare, construction, transportation, professional liability, cyber liability, and product liability, delivered with a 98% client retention rate.

Quantifiable outcome

• 98% client retention rate for GB Healthcare specialty team
• +9 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability9 records

Feature7 records

Partnerships

One partnership is on record.

• Mays Brown SolicitorscoreStrategic or Co-development Partner · 11 May 2026Arthur J. Gallagher & Co. subsidiary Gallagher Bassett acquired Mays Brown Solicitors, a boutique law firm specializing in shipping and maritime legal services. The acquisition enhances Gallagher Bassett's marine and legal capabilities and expands its service offerings to shipowners, operators, charterers, P&I clubs, insurers, and shipyards. The Mays Brown team will continue operating under the direction of Gallagher Bassett's Europe, Middle East and Asia operations head.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ESIS (Chubb): ESIS is Chubb's third-party claims administration arm providing workers' compensation, liability, and specialty claims services — directly competitive with Gallagher Bassett in TPA offerings to insurance carriers.
• Helmsman Management Services (Liberty Mutual): Helmsman is Liberty Mutual's TPA subsidiary providing claims administration and managed care services for self-insured employers, closely comparable to Gallagher Bassett's core self-insured employer segment.
• Crawford & Company: Crawford & Company is a global claims management solutions provider with broad overlap to Gallagher Bassett in TPA, loss adjusting, and managed repair services across all major commercial lines.
• Sedgwick: Sedgwick is the largest direct competitor to Gallagher Bassett in third-party claims administration and risk management, offering similar TPA services across workers' compensation, liability, and property claims for carriers, employers, and public entities globally.
• Broadspire (Crawford): Broadspire is Crawford & Company's TPA division providing claims management, medical management, and risk consulting for self-insured employers and carriers — directly competitive with Gallagher Bassett in core TPA services.

Broad incumbents

• Marsh (Marsh McLennan): Marsh is a global insurance brokerage and risk advisory firm, comparable to Gallagher Bassett's parent Arthur J. Gallagher & Co. Marsh's risk consulting and claims advocacy services overlap with GB's risk control and claims offerings at the broader portfolio level.
• Guidewire Software: Guidewire provides core claims management software to P&C insurers, competing with Gallagher Bassett's Luminos RMIS and GB Navigator platforms as enterprise claims systems for carriers — broader incumbent rather than direct TPA competitor.
• Verisk Analytics: Verisk provides data analytics and risk-assessment solutions to insurance carriers, including claims analytics that overlap with Gallagher Bassett's Luminos RMIS benchmarking and predictive analytics capabilities.

Regional players

• Concentra (Select Medical): Concentra provides occupational health, urgent care, and workers' compensation claims management services primarily in North America, partially overlapping with Gallagher Bassett's workers' comp and PC365 nurse triage offerings.

Emerging players

• Mitchell International: Mitchell provides technology-driven claims management, estimating, and pharmacy solutions for the P&C industry. It overlaps with Gallagher Bassett's technology and analytics capabilities, particularly in auto and workers' comp, though focused more on software than full-service TPA.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/gbtpa
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• LinkedInlinkedin.com/company/gallagher-bassett

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A2 records

Investments

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

Frequently asked questions about Gallagher Bassett International