Gallagher

What Gallagher does

Arthur J. Gallagher & Co. (NYSE: AJG), founded in 1927 and headquartered in Rolling Meadows, Illinois, is one of the four largest global insurance brokerage and risk management firms, operating in 130+ countries through 1,116 offices and approximately 70,000 employees. The company serves commercial businesses of all sizes, multinational corporations, and employee benefits clients with insurance placement, risk management consulting, claims administration, and HR/benefits advisory. It is positioned alongside Marsh McLennan, Aon, and Willis Towers Watson as a top-tier global broker, with industry rankings confirming Gallagher Bassett as the world's largest third-party P&C claims administrator and Risk Placement Services (RPS) as the nation's largest MGA/underwriting manager.

Gallagher generates revenue through commissions on commercial insurance placement, recurring risk management and consulting fees, reinsurance brokerage, third-party claims administration, and alternative risk transfer solutions. Operating subsidiaries include retail brokerage (Gallagher), wholesale distribution (RPS), claims management (Gallagher Bassett), alternative risk solutions (Artex), underwriting (Pen Underwriting, Alesco), and global reinsurance (Gallagher Re). The Gallagher Global Network extends reach through partner brokers in 130+ countries for multinational servicing. Reported FY2025 revenue was $13.8 billion (Brokerage and Risk Management segments, adjusted before reimbursements), with Q1 2026 revenue of $4.72 billion up 28% year-over-year and trailing twelve-month revenue of $14.97 billion as of March 31, 2026.

The technology architecture centers on Microsoft Foundry, Microsoft 365 Copilot, and Copilot Studio, supporting three proprietary AI platforms: Gallagher Go (centralized digital ecosystem consolidating P&C, benefits, and claims with embedded analytics), Gallagher Blueprint (AI-driven Risk Profile Score benchmarking), and Gallagher Drive (people analytics integrated with Avante's AI-native benefits platform). Distribution combines direct enterprise sales through 1,116 retail brokerage offices, wholesale distribution through RPS, and the Gallagher Global Network. The firm has pursued an aggressive M&A strategy, anchored by the $13.5 billion AssuredPartners acquisition in 2025, and reports 24 consecutive quarters of double-digit adjusted EBITDAC growth.

Name

Gallagher

Legal name

Arthur J. Gallagher & Co.

Website

https://ajg.com

Company type

Public

Founded year

1927

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Arthur J. Gallagher & Co. (NYSE: AJG) is a global insurance brokerage and risk management firm operating in 130+ countries with ~70,000 employees and $14.97B TTM revenue, serving commercial, multinational, and benefits clients through proprietary AI platforms.

Ownership category

akta.pro rank

Product category

Insurance Brokerage and Risk Management Services

NAICS

Insurance Agencies and Brokerages (524210), Insurance Agencies and Brokerages (52421), Agencies, Brokerages, and Other Insurance Related Activities (5242), Portfolio Management and Investment Advice (52394)

SIC

Insurance Agents, Brokers & Service (6411), Investment Advice (6282)

akta.pro primary industry

Reinsurance Brokerage (FSAEADAE)

akta.pro secondary industries

P&C Reinsurance Brokerage (FSAOAHAG), Reinsurance Program Structuring & Portfolio Solutions (Broker-led) (FSAOAHAJ), Catastrophe Reinsurance Brokerage & Placement (FSAOACAN), Reinsurance Broker Analytics, Modeling & Advisory Services (FSAOAHAH)

Keywords

• Insurance brokerage services
• Risk management consulting
• Employee benefits consulting
• Reinsurance brokerage
• Claims administration

Headquarters

HQ city

Rolling Meadows

HQ country

United States

HQ region

North America

Offices19 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Insurance Brokerage Commissions: Commissions earned from placing commercial insurance policies for clients. Revenue is generated through commissions from property and casualty insurance, specialty lines, and other commercial insurance products placed with carriers.
2. Risk Management and Consulting Fees: Fees charged for risk management consulting services, benefits administration, and HR consulting engagements. These recurring revenue streams complement commission-based income.
3. Reinsurance Brokerage: Revenue from reinsurance brokerage operations through Gallagher Re, providing tailored reinsurance programs to insurance company clients globally.
4. Claims Administration: Third-party claims settlement and administration services for self-insured entities and insurance companies through Gallagher Bassett subsidiary.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

Gallagher is a global insurance brokerage and risk management services firm that places commercial insurance and reinsurance on behalf of clients, provides risk management consulting, employee benefits and HR consulting, and delivers third-party claims administration. Its offerings span retail property and casualty brokerage, specialty wholesale brokerage through Risk Placement Services, reinsurance brokerage through Gallagher Re, alternative risk transfer through Artex, underwriting through Pen Underwriting and Alesco, and benefits and HR consulting, supported by proprietary digital platforms Gallagher Go, Gallagher Blueprint, and Gallagher Drive.

Product overview

Gallagher is a global insurance brokerage and risk management firm offering a comprehensive portfolio of products and services through a platform-plus-modules architecture. The core offerings include retail insurance and risk management brokerage (Gallagher), Benefits & HR Consulting, wholesale brokerage through Risk Placement Services (RPS), claims administration via Gallagher Bassett, alternative risk solutions through Artex, underwriting via Pen Underwriting and Alesco, and global reinsurance through Gallagher Re. These are supported by technology platforms including Gallagher Go (centralized digital ecosystem), Gallagher Blueprint (AI-powered risk scoring), and Gallagher Drive (people analytics). The company also operates the Gallagher Global Network (international broker network in 130+ countries) and Gallagher Connect Partners (diverse broker network). The integrated approach combines proprietary data, AI-enabled analytics, and global reach to deliver risk management, benefits, and consulting solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Gallagher Blueprint: AI-driven strategic framework that generates proprietary Risk Profile Scores to help clients optimize insurance programs and risk management strategies.
• Gallagher Drive
• Gallagher Go
• Gallagher Better Works
• GVISO
• Gallagher Global Network

Products and services

• Gallagher Insurance and Risk Management Brokerage
• Benefits and Human Resources Consulting
• Risk Placement Services (RPS)
• Gallagher Bassett Claims Administration
• Artex Alternative Risk Solutions
• Pen Underwriting
• Alesco
• Gallagher Re
• Gallagher Go
• Gallagher Blueprint
• Gallagher Drive (People Analytics)
• Gallagher Global Network (GGN)
• Parametric Flood Insurance for Golf Courses
• Carbon Removal Risk Intelligence Consulting
• Gallagher Bassett Maritime Legal Services

Quantifiable outcome

• Approximately one additional point of client retention achieved through integrated Gallagher Go platform
• +4 more outcomes

Named customers7 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• ACE Gallagher Arabia Reinsurance BrokerscoreStrategic or Co-development Partner · 10 June 2026Gallagher acquired a majority stake in ACE Re Gallagher Arabia Reinsurance Brokers, expanding reinsurance and specialty operations in Saudi Arabia. This follows Gallagher's increase of its stake in parent company ACE Gallagher from 30% to 49%. The combined entity now operates from offices in Saudi Arabia (Riyadh, Al Khobar) with plans to open a Riyadh office.
• FloodFlashminorStrategic or Co-development Partner · 28 May 2026Gallagher partnered with FloodFlash (a NormanMax company) to launch a parametric flood insurance product for golf courses. FloodFlash installs sensors to measure water levels at millimeter resolution, enabling swift claim validation. The product offers up to $10 million flood coverage per course with 48-hour approval and 28-day completion timelines.
• Mays Brown Solicitors (via Gallagher Bassett)minorStrategic or Co-development Partner · 11 May 2026Gallagher Bassett, a subsidiary of Arthur J. Gallagher, acquired Mays Brown Limited (Mays Brown Solicitors), a boutique maritime law firm based in London. This acquisition adds specialized shipping and maritime legal expertise to Gallagher Bassett's existing marine capabilities for serving shipowners, operators, charterers, and insurers.
• KitaminorStrategic or Co-development Partner · 20 April 2026Gallagher partnered with Kita, a specialist carbon insurer and Lloyd's of London coverholder, to launch an 'industry-first' risk intelligence consulting service for carbon removal projects. The service combines carbon risk analysis with business risk assessments to help buyers, sellers, and investors conduct due diligence on voluntary carbon market projects.
• FC Dallas FoundationminorGTM or Marketing Partner · 1 January 2026The FC Dallas Foundation and Gallagher launched the 2026 Community Action Grant Program for North Texas nonprofit organizations. North Texas nonprofits focused on nutrition, active lifestyles, or education can apply for grants of $10,000 each.
• MicrosoftcoreTechnology or IntegrationGallagher built its AI platform on Microsoft technologies including Microsoft Foundry, Microsoft 365 Copilot, and Copilot Studio. The implementation has enabled 70,000+ employees with secure AI tools while maintaining compliance in the regulated insurance industry, significantly reducing claims review time and automating quote workflows.

Scale indicators10 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• Marsh McLennan: Marsh McLennan (NYSE:MMC) is the world's largest insurance brokerage and risk management firm, operating Marsh (brokerage), Guy Carpenter (reinsurance), Mercer (benefits/HR consulting), and Oliver Wyman (consulting) — directly overlapping Gallagher's retail brokerage, reinsurance (Gallagher Re vs. Guy Carpenter), and benefits/HR consulting franchises.
• Aon: Aon plc (NYSE:AON) is one of the top global insurance brokers with Aon Risk Solutions (commercial brokerage) and Aon Reinsurance Solutions, both directly comparable to Gallagher's core brokerage and Gallagher Re businesses, plus benefits consulting overlap.
• Willis Towers Watson: Willis Towers Watson (NASDAQ:WTW) operates a global insurance brokerage, reinsurance, and benefits/HR consulting franchise directly comparable to Gallagher's three primary pillars, often cited alongside Gallagher in the "Big Four" broker rankings.
• Brown & Brown: Brown & Brown (NYSE:BRO) is a US-focused insurance brokerage that competes directly with Gallagher's retail operations, particularly in commercial P&C placement and employee benefits, pursuing a similar acquisition-driven growth strategy.
• Hub International: Hub International is a large privately-held insurance brokerage serving commercial clients across North America, directly competing with Gallagher's retail brokerage in middle-market and specialty lines, and pursuing comparable acquisition-based growth.
• Lockton Companies: Lockton is the world's largest privately-held insurance brokerage, with comparable specialty, commercial, and benefits practices serving mid-to-large commercial clients globally — a direct competitor to Gallagher's retail brokerage and specialty divisions.
• Acrisure: Acrisure is a fast-growing privately-held insurance brokerage built on an aggressive acquisition strategy, directly competing with Gallagher in commercial P&C, reinsurance, and benefits distribution, particularly in the US middle market.
• Alliant Insurance Services: Alliant is a US-focused specialty insurance brokerage competing with Gallagher's retail and specialty operations across P&C, employee benefits, and surety, with comparable middle-market and large-account client profiles.

Emerging players

• Howden Group: Howden is a privately-held global insurance group with growing retail brokerage and reinsurance operations, increasingly competing with Gallagher in specialty and reinsurance markets (Howden Re), and expanding aggressively through acquisitions in Europe and APAC.

Broad incumbents

• Truist Insurance Services: Truist Insurance Services is the insurance brokerage arm of Truist Financial Corporation, offering commercial P&C, employee benefits, and risk management services comparable to Gallagher's offerings but as part of a broader bank-owned financial services platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/GallagherGlobal
• YouTubeyoutube.com/GallagherGlobal
• Facebookfacebook.com/GallagherGlobal
• LinkedInlinkedin.com/company/gallagher-global
• Instagraminstagram.com/gallagherglobal

Revenue estimate

Valuation estimate

Number of profiles

Profiles17 records

Subsidiaries28 records

Funding overview

Funding rounds2 records

Investors

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

M&A565 records

Investments6 records

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

Frequently asked questions about Gallagher