Marsh McLennan vs Fiserv
Side-by-side comparison of AI visibility scores, market position, and capabilities
World's largest insurance broker network (Marsh, Guy Carpenter, Mercer, Oliver Wyman); $23.4B FY2024 revenue; hard market tailwind 2019-2024; cyber insurance leader; competes with Aon, Willis Towers Watson.
About
Marsh McLennan is the world's leading professional services firm in risk, strategy, and human resources, formed through the merger of Marsh & McLennan Companies and operating four market-leading subsidiaries: Marsh (global insurance broker and risk management advisor), Guy Carpenter (global reinsurance broker), Mercer (human resources and employee benefits consulting), and Oliver Wyman (management consulting). Headquartered in New York City and trading on NYSE (MMC), the company generated approximately $23.4 billion in revenues for FY2024 under CEO John Doyle, who succeeded longtime CEO Dan Glaser in 2022 and has maintained the firm's organic growth momentum and selective acquisition strategy. Marsh, the flagship insurance brokerage, is the world's largest insurance broker by revenue, advising corporations globally on risk placement, captive insurance programs, and risk management strategies across property, casualty, marine, and specialty lines.
Fintech giant with $20.5B FY2024 revenue; Clover POS serves 800,000 SMBs with app ecosystem; 10,000 bank clients; $22B First Data acquisition 2019 created commerce and banking technology powerhouse.
About
Fiserv is one of the world's leading fintech and payments companies, founded in 1984 through the merger of First Bank System's data processing operations and Sunshine State Systems in Brookfield, Wisconsin and now headquartered in Milwaukee, Wisconsin, trading on NYSE (FI—ticker changed from FISV in 2024). The company generated approximately $20.5 billion in revenues for FY2024 under CEO Frank Bisignano, operating across two core segments: Merchant Solutions (payment acceptance and commerce enablement for merchants) and Financial Solutions (banking and payment technology for financial institutions). Fiserv's 2019 acquisition of First Data Corporation for $22 billion—the largest fintech merger in history at the time—transformed Fiserv from a primarily bank-serving technology company into a commerce and payment giant, bringing the Clover point-of-sale ecosystem, payment gateway capabilities, and global merchant acquiring infrastructure.
AI Visibility Head-to-Head
Key Details
Also Compare
Track AI Visibility in Real Time
Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.