# Marsh & McLennan Companies

Marsh & McLennan Companies is a Corporate Investor based in New York, United States.

## Overview

- **Organization type:** Corporate Investor
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** 1166 Avenue of the Americas, New York, NY 10036, United States
- **Founded:** 1871
- **Assets under management:** 4.2B (Altss estimate)
- **LinkedIn:** linkedin.com/company/marsh-&-mclennan-companies

## Regulatory record

- **Reports private funds:** No

## About

Marsh & McLennan Companies functions as a corporate investor. John Q. Doyle assumed the CEO role in 2023 after succeeding Dan Glaser. The firm pursues venture capital opportunities. It holds commercial real estate assets including offices in New York, London and Johannesburg. Confirmed holdings include a Tecnam P2006T aircraft and interests in Blue Vault Digital Asset Insurance. The firm maintains memberships in the World Economic Forum, FAIR Institute, 30% Club, Tiger 21 and YPO. Additional offices support operations across North America, Europe and Africa. Public disclosures provide limited detail on specific deal flow or co-investment structures.

## Sectors

- Venture Capital

## Offices

- London, United Kingdom
- Johannesburg, South Africa

## People

- John Q. Doyle — President and CEO

## Questions

### Who runs investment decisions at Marsh & McLennan Companies?

John Q. Doyle holds the title of President and CEO. He assumed the role in 2023.

### What asset classes does Marsh & McLennan Companies target?

The firm focuses on venture capital. It also holds commercial real estate and select insurance-related assets.

### Does Marsh & McLennan Companies maintain external partnerships?

Yes. It maintains a relationship with Stone Point Capital and holds strategic partner status at the World Economic Forum.

## Related profiles

- [Beacon Capital Management](https://altss.com/profile/beacon-capital-management)
- [E.ON UK Group Pension Fund](https://altss.com/profile/e-on-uk-group-pension-fund)

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Last updated: 2026-06-03T20:00:00.000Z

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