Top 7 Aon Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like Aon. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
Aon
Aon plc is a global professional services firm providing risk, retirement and human capital solutions, including insurance brokerage, reinsurance, and consulting.
Competitors
#1 Est. 1871 • 1k+ employees • Public (NYSE:MRSH)Marsh
Best for enterprisesGlobal insurance broker and risk management firm that provides insurance broking, risk consulting, and related services.
#2 Est. 2016 • 1k+ employees • Public (NASDAQ:WTW)WTW
Best for enterprisesWTW (Willis Towers Watson) is a global advisory, broking and solutions company that provides risk management, insurance brokerage, and employee benefits and talent consulting to organizations worldwide.
#3 Arthur J. Gallagher & Co. (Gallagher) is a global insurance brokerage, risk management and consulting firm that provides commercial and specialty insurance, reinsurance, employee benefits and HR consulting services to businesses and organizations.
#4 Est. 1945 • 1k+ employees • Public (NYSE:MMC)Mercer
Best for enterprisesMercer is a global professional services firm that provides consulting and solutions in health & benefits, retirement and investments, talent and workforce transformation to help organizations optimize employee outcomes and financial results.
Owned by Marsh- Est. 2025 • 1 employee • Private
ChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal is a competitive intelligence suite for early-stage B2B SaaS founders. Make sharper calls on pricing, positioning, and GTM.
Starts at $39 / month
Has a free trial
#5 Est. 1966 • 1k+ employees • PrivateLockton
Best for enterprisesA privately held global insurance brokerage and risk-management advisory firm offering risk, benefits and retirement solutions.
#6 Est. 1998 • 1k+ employees • PrivateHUB International
Best for mid-market companiesA global insurance brokerage and financial services firm delivering risk management, property & casualty, employee benefits, retirement and wealth management solutions across North America and beyond.
#7
Est. 1939 • 1k+ employees • Public (NYSE:BRO)Brown & Brown, Inc.
Best for enterprisesA global insurance brokerage and risk management firm providing property & casualty, employee benefits, consulting and specialty insurance solutions.
Go Deeper
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Competitive Intelligence Report
22 pages of competitive intelligence. Built for founders who need sharp market context without hiring an analyst.
$129
Everything you get in your report:
Pricing Fully Exposed
See exactly what competitors charge, their tiers, trials, and guarantees.
Feature Matrix: Build vs Skip
Table stakes every competitor has. Differentiators only 1-2 have.
Reviews You Can Use
Real quotes from G2, Capterra, Trustpilot, and TrustRadius. Ready for your site, demos, and positioning.
10 Competitors Mapped
Direct, indirect, and alternatives. Positioning, ICP, and differentiators.
SEO Gaps Worth Targeting
Keywords they rank for, you don't. With "Quick Win" tags.
Their Best-Performing Ads
Top-performing Google & Meta ads. Landing page screenshots with CTAs.
15+ Data Sources
APIs, LLMs, scrapers. Data ChatGPT can't access.
