Gallagher
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.
- Company typePublic
- Founded1927
- HeadquartersRolling Meadows, United States
- Headcount5,001–10,000
- GTM typeB2B
- OfferingServices
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.
Gallagher firmographics
Firmographics- 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
Gallagher industry classification
Industry- 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
Where Gallagher is headquartered
LocationHeadquarters
- HQ city
- Rolling Meadows
- HQ country
- United States
- HQ region
- North America
Offices19 records
Markets served
Gallagher 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 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.
- 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.
- Reinsurance Brokerage: Revenue from reinsurance brokerage operations through Gallagher Re, providing tailored reinsurance programs to insurance company clients globally.
- 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
Gallagher product offering
Product offeringCore 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
Companies that use Gallagher
Customer profileNamed customers7 records
Segments7 records
Ideal customer profiles5 records
Gallagher technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability8 records
Feature4 records
Gallagher partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- ACE Gallagher Arabia Reinsurance BrokerscoreGallagher 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.
- FloodFlashminorGallagher 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)minorGallagher 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.
- KitaminorGallagher 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 FoundationminorThe 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.
- MicrosoftcoreGallagher 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
Gallagher competitors and assessment
Company assessmentDirect 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
Gallagher social profiles
Digital presenceGallagher financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gallagher leadership team
Management profileNumber of profiles
Profiles17 records
Gallagher subsidiaries and ownership
Company hierarchySubsidiaries28 records
Gallagher funding detail
Funding detailFunding overview
Funding rounds2 records
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gallagher M&A and investment
M&A and investmentM&A565 records
Investments6 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Gallagher
What does Gallagher do?
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.
Is Gallagher a public or private company?
Gallagher is a public company. It is classified as public and is currently operating.
When was Gallagher founded?
Gallagher was founded in 1927. It employs 5,001 to 10,000 people.
Where is Gallagher based?
Gallagher is headquartered in Rolling Meadows, United States, in the North America region.
How does Gallagher make money?
Four revenue lines are on record. Insurance Brokerage Commissions are the primary driver. The others are risk Management and Consulting Fees, reinsurance Brokerage and claims Administration.
Who are Gallagher's main competitors?
Direct peers on record are Marsh McLennan, Aon, Willis Towers Watson, Brown & Brown, Hub International, Lockton Companies, Acrisure and Alliant Insurance Services. Howden Group is listed as an emerging player. Truist Insurance Services is listed as a broad incumbent.
Does Gallagher have an API?
No public API is recorded for Gallagher.
What industry is Gallagher in?
Gallagher's product category is Insurance Brokerage and Risk Management Services. Its primary akta.pro industry code is FSAEADAE, Reinsurance Brokerage, with a secondary code of FSAOAHAG, P&C Reinsurance Brokerage. Its NAICS code is 524210 and its SIC code is 6411.