Private company

Madison Dearborn Partners

Logo: Madison Dearborn Partners, Public domain, via Wikimedia Commons3

American private equity firm specializing in leveraged buyouts

Madison Dearborn Partners (MDP) is an American private equity firm which invests in industries, business and government software and services, financial & transaction services, health care sectors. It was established as an independent firm in 1992.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1992Founded1
  • HeadquartersChicago1
  • Websitewww.mdcp.com
  • Legal formprivately held company1

Madison Dearborn Partners (MDP) is an American private equity firm which invests in industries, business and government software and services, financial & transaction services, health care sectors. It was established as an independent firm in 1992.2

Corporate structure

Madison Dearborn Partners sits at the top of its group. 4 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Madison Dearborn Partners Chicago

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Madison Dearborn Partners reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Products and brands

  • leveraged buyout

Listed on Wikidata.1

Subsidiaries and ownership

Also owns

From Wikidata.1

Acquisitions

  1. Aug 26, 2016Acquired NaviSite1

Timeline

  1. 1992Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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