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Mercer

Global HR consulting firm: health & benefits, retirement, workforce/talent and investments consulting; a business of Marsh McLennan.

New York, New York, USAFounded 194510001+ employees
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About

Mercer is a leading global human resources and benefits consultancy and an operating business of Marsh McLennan. Founded in 1945, it advises organizations on health and employee benefits, retirement and financial wellbeing, workforce and talent strategy, rewards and compensation, and investment consulting across 130+ countries with 20,000+ employees. It completed its acquisition of Cardano, expanding its pensions and investment consulting.

Leadership

founders · executives

Mercer in the news

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Nov 4, 2024Mercer Completes Acquisition of Cardano

Mercer , part of Marsh McLennan, has completed its acquisition of Cardano, significantly expanding its footprint in pension and investment solutions in the UK and Netherlands. This move positions Mercer to address…

Jun 11, 2024Mercer to Acquire Cardano

Mercer, a Marsh McLennan business, announced its agreement to acquire Cardano, a UK and Netherlands-based long-term savings specialist with approximately $66 billion in managed assets. This strategic acquisition aims to…

May 23, 2024Leadership, benefits, and technology risks top of mind for risk and HR professionals surveyed by Mercer and Marsh

The US People Risk 2024 Report by Mercer and Marsh, businesses of Marsh McLennan, highlights the top people risks identified by over 1,000 risk and HR professionals nationwide. The report reveals that ineffective…

Mar 1, 2023Mercer acquires Leapgen, furthering investment in digital HR strategy market

Mercer, a global leader in redefining the world of work and a business of Marsh McLennan (NYSE: MMC), today announced the acquisition of  Leapgen , a leading Human Resources (HR) technology advisory firm focused on…

Mar 25, 2026Origin Raises $30M Series A+ to Build Global Benefits Intelligence Platform

Origin has raised $30M Series A+ led by Notion Capital, bringing total funding to $50M+ in 12 months. Its AI-powered platform, Cuido™, helps enterprises unify fragmented global benefits data, improve visibility, and…

Nov 4, 2025Lettuce Financial Secures $28 Million Series A Funding to Expand Its AI-Powered Operating System for One-Person Businesses

Lettuce Financial  has secured $28 million in funding to expand its AI-powered operating system for solopreneurs and has acquired benefits startup Besolo to integrate healthcare access. The platform serves businesses of…

Mercer — frequently asked questions

What does Mercer do?

Global HR consulting firm: health & benefits, retirement, workforce/talent and investments consulting; a business of Marsh McLennan.

Where is Mercer headquartered?

Mercer is headquartered in New York, New York, USA, United States.

When was Mercer founded?

Mercer was founded in 1945.

Who founded Mercer?

Mercer was founded by William Manson Mercer.

Who is the CEO of Mercer?

Pat Tomlinson leads Mercer as CEO.

How many employees does Mercer have?

Mercer has 10001+ employees.

What kind of HR technology is Mercer?

Mercer is categorized under HR Consulting, Salary Data, Benefits on DHRMap.

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About this listing. DHRMap is an independent directory: profiles are compiled from public sources and the company's own website at the time of listing. Companies, products, ownership and pricing change quickly, so we cannot guarantee that this profile is complete, accurate or current — please confirm details with Mercer before relying on them. A listing is not an endorsement.

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