Madison Dearborn Partners Makes Strategic Growth Investment in Harmonia Holdings Group

Harmonia Holdings Group Acquires Maveris

January 29, 2025

Cybersecurity

Harmonia Holdings Group, a provider of advanced technology solutions to the U.S. federal government, has acquired Maveris as a wholly owned subsidiary to strengthen its cybersecurity capabilities and broaden its federal customer relationships, including deep ties with the Department of Veterans Affairs. The deal supports Harmonia’s growth strategy, which is backed by a strategic investment from Madison Dearborn Partners; financial terms were not disclosed.

Madison Dearborn Partners Makes Strategic Investment in Omni Federal

June 28, 2024

Government & Public Sector

Madison Dearborn Partners (MDP) has made a strategic growth investment in Omni Federal, a founder-led provider of mission and enterprise software for the U.S. Department of Defense and the Intelligence Community. Omni's management will retain a significant ownership stake as MDP partners with the company to scale operations, expand capabilities, and pursue inorganic growth opportunities.

Madison Dearborn Partners Acquires Significant Ownership Position in NextGen Healthcare

May 2, 2025

Healthcare Services

Madison Dearborn Partners (MDP) has acquired a significant ownership position in NextGen Healthcare, partnering with existing investor Thoma Bravo and NextGen management to accelerate the company's growth and increase R&D investment. Thoma Bravo retains a material ownership stake; NextGen will also implement a planned CEO succession with President & COO Srinivas (Sri) Velamoor succeeding David Sides.

Madison Dearborn Partners Acquires Majority Stake in Unison from Carlyle

July 12, 2022

Software

Funds affiliated with Madison Dearborn Partners (MDP) will acquire a controlling stake in Unison from funds managed by Carlyle, with Carlyle remaining a minority investor. The investment will support Unison's software innovation and growth in procurement, supply chain, and contract management solutions for U.S. federal agencies and government contractors; financial terms were not disclosed.

Madison Dearborn Partners Increases Equity Stake in Amynta Group

March 10, 2022

Insurance

Funds affiliated with Madison Dearborn Partners (MDP) acquired all equity interests in Amynta Group previously held by AmTrust Financial Services, increasing MDP’s majority ownership while Amynta’s management retains a minority stake. The transaction strengthens MDP’s partnership with Amynta to support continued growth of the underwriting services and warranty business; existing commercial arrangements between Amynta and AmTrust will remain in place.

Madison Dearborn Partners Acquires T2S Solutions

November 29, 2023

Aerospace & Defense

Funds affiliated with Madison Dearborn Partners have acquired T2S Solutions, a founder-owned provider of R&D, prototyping, engineering, integration, and technology products serving the U.S. Department of Defense, the Intelligence Community, and other U.S. government agencies. The T2S founders will retain a significant minority stake and continue to lead the company as MDP provides capital and industry expertise to accelerate R&D, bring products to lead production, and expand mission-focused capabilities.