Brown & Brown

Brown & Brown maintains a continuous M&A engine that targets specialist agencies in the US, UK, and Ireland. It uses a decentralized model that keeps the acquired firm's brand and management intact rather than absorbing the book into a central operation. The acquisition of Global Risk Partners in July 2022 brought almost half a million UK and Ireland customers onto the platform (per firm website, 2026).

Brown & Brown is a publicly traded insurance brokerage and intermediary. It was founded as a family business in 1939 but has long operated as a commercial enterprise generating over $4.8 billion in annual revenue (per firm website, 2026). The firm deploys capital into agency M&A rather than managing a proprietary family portfolio.

Brown & Brown does not operate as a co-investment platform in the private equity sense. Its 'partnership' model refers to acquiring agencies and giving them operational autonomy within a larger corporate structure. External capital partners are typically the sellers of those agencies, who may retain equity stakes or earnout structures post-acquisition.

Specialty underwriting through Bridge Specialty International covers niche programs including fine art, aviation, environmental liability, marine, entertainment, and financial institutions liability. The firm also writes private client and family office insurance for ultra-high-net-worth individuals and their collections.

European underwriting sits within Bridge Specialty International, which operates multiple coverholder vehicles such as Camberford Underwriting, Plum Underwriting, Occam Underwriting, and PremCo Underwriting. It also runs commercial and property programs with distinct brands and maintains a network of independent brokers through Hedron.

There is no public evidence that Brown & Brown runs a separate proprietary investment portfolio akin to a family office or internal hedge fund. The business is an insurance intermediary whose revenue comes from commission, fees, and underwriting income across its decentralized network of agencies and MGA platforms.

The firm offers dedicated mergers and acquisitions consulting — advising clients on transaction risk, due diligence, and integration — as well as pharmacy benefits consulting that evaluates formulary management, pricing transparency, and plan design. Both sit within a broader professional services arm that also includes actuarial and healthcare claims audit services.