Madison Dearborn Partners

• The Marygold Companies sale to affiliates of Madison Dearborn Partners

  October 3, 2026

  Buyer

  Madison Dearborn Partners

  Target

  The Marygold Companies, Inc.

  Industry

  Healthcare Services

  Type

  Buyout

  The Marygold Companies, Inc. (MGLD) is involved in a proposed sale to affiliates of Madison Dearborn Partners. The announcement states that Marygold shareholders are expected to receive $2.00 in cash per share, and that the inquiry is focused on whether the deal is fair.

• Madison Dearborn Partners to Acquire The Marygold Companies

  September 25, 2026

  Buyer

  Madison Dearborn Partners

  Target

  The Marygold Companies, USCF

  Industry

  Financial Services

  Location

  United States

  Type

  Buyout

  Madison Dearborn Partners agreed to acquire The Marygold Companies in an all-cash transaction valued at $2 per share, representing a 100% premium to Marygold’s prior closing share price. Following the acquisition, the parties plan to refocus the business on USCF and support USCF’s product development, distribution, and marketing.

• Madison Dearborn Partners Growth Investment in Stephano Slack

  June 10, 2026

  Buyer

  Madison Dearborn Partners

  Target

  Stephano Slack

  Industry

  IT Services

  Location

  California, United States

  Type

  Growth capital

  Madison Dearborn Partners (MDP) made a significant growth investment in Stephano Slack, a California-based aviation services company providing aircraft maintenance, modifications, and engineering. The deal was announced June 10, with financial terms not disclosed, and positions MDP to pursue further consolidation and expansion in the fragmented aviation maintenance, repair, and overhaul (MRO) market.

• Madison Dearborn Partners Invests in Stephano Slack LLC

  June 10, 2026

  Buyer

  Madison Dearborn Partners, Norlantic Capital

  Target

  Stephano Slack LLC

  Industry

  Professional Services

  Location

  Pennsylvania, United States

  Type

  Growth capital

  Stephano Slack, an accounting and advisory firm based in Wayne, Pennsylvania, secured a strategic growth investment from funds managed by Madison Dearborn Partners (MDP), with co-investor Norlantic Capital participating. The capital is intended to accelerate expansion, enhance service capabilities, invest in talent and technology, and broaden geographic reach. Jim Brady will join as Executive Chairman following the close, and the firm will operate under an alternative practice structure for attest and non-attest services.

• Nichols Cauley Acquires The Molieri Group

  May 12, 2026

  Buyer

  Nichols Cauley, Madison Dearborn Partners

  Target

  The Molieri Group

  Industry

  Accounting & Tax

  Location

  United States

  Type

  Addon

  Nichols Cauley, a financial services company focused on small and midsized businesses, announced it has acquired The Molieri Group, a Miami-based specialty tax boutique. The Molieri Group adds expertise in inbound and outbound international tax consulting, estate and trust matters, and complex planning for high-net-worth individuals and their businesses.

• Madison Dearborn Partners Backs Merger of Nichols Cauley, Partners Risk Services, and JGH Consulting

  January 5, 2026

  Buyer

  Madison Dearborn Partners

  Target

  Nichols Cauley, Partners Risk Services, JGH Consulting

  Industry

  Professional Services

  Location

  Georgia, United States

  Type

  Buyout

  Nichols Cauley has agreed to merge with insurance brokerage Partners Risk Services and transaction advisory firm JGH Consulting to form an integrated financial services platform. The platform will be backed by a strategic growth investment from Madison Dearborn Partners and is expected to close in the first quarter of 2026.

• Madison Dearborn Partners Takes Significant Ownership Position in NextGen Healthcare

  May 2, 2025

  Buyer

  Madison Dearborn Partners, LLC, Funds affiliated with Madison Dearborn Partners, LLC

  Target

  NextGen Healthcare, Inc.

  Seller

  Thoma Bravo

  Industry

  Healthcare Services

  Location

  United States

  Type

  Growth capital

  Madison Dearborn Partners (MDP) has signed an agreement and later completed an acquisition of a significant ownership position in NextGen Healthcare. Thoma Bravo retains a significant stake, and both firms will partner with NextGen Healthcare’s management to accelerate growth, including higher annual R&D investment and expansion of AI-driven capabilities.

• T2S Solutions, Backed by Madison Dearborn Partners, Acquires Blue Marble Communications

  March 18, 2025

  Buyer

  T2S Solutions, Madison Dearborn Partners

  Target

  Blue Marble Communications

  Industry

  Aerospace & Defense

  Location

  California, United States

  Type

  Addon

  T2S Solutions, a mission-focused defense and space technology provider backed by Madison Dearborn Partners, has acquired Blue Marble Communications, a San Diego-based designer and manufacturer of space‑qualified communications and computing technologies. The deal expands T2S' capabilities and scale in high‑performance satellite communications, optical terminals, RF modems, and onboard processing to serve U.S. national security and commercial space markets.

• Lightspeed Systems Acquires STOPit Solutions

  February 27, 2025

  Buyer

  Lightspeed Systems, Madison Dearborn Partners, Genstar Capital

  Target

  STOPit Solutions

  Industry

  Education

  Location

  New Jersey, United States

  Type

  Buyout

  Lightspeed Systems, supported by funds affiliated with Madison Dearborn Partners and Genstar Capital, has acquired STOPit Solutions to integrate anonymous reporting and crisis management with its student safety monitoring and web-filtering tools. The acquisition expands Lightspeed’s capabilities to provide unified case management, 24/7 human review, and enhanced visibility for K–12 schools to detect and prevent safety risks earlier.

• Harmonia Holdings Group Acquires Maveris

  January 29, 2025

  Buyer

  Harmonia Holdings Group, LLC, Madison Dearborn Partners

  Target

  Maveris

  Industry

  Cybersecurity

  Location

  West Virginia, United States

  Type

  Buyout

  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.

• Solis Mammography Acquires Breast Center of Acadiana

  October 9, 2024

  Buyer

  Solis Mammography, Madison Dearborn Capital Partners

  Target

  Breast Center of Acadiana

  Industry

  Healthcare Services

  Location

  Louisiana, United States

  Type

  Addon

  Solis Mammography has acquired Breast Center of Acadiana, adding the practice's two breast imaging locations in Lafayette and Youngsville, Louisiana to its national network. The deal expands Solis's footprint into its 18th major market as the private equity-backed operator continues consolidating specialized breast imaging centers.

• Madison Dearborn Partners Makes Strategic Growth Investment in Harmonia Holdings Group

  September 9, 2024

  Buyer

  Madison Dearborn Partners, Damon Griggs, Jon Brooks

  Target

  Harmonia Holdings Group, LLC

  Industry

  Government & Public Sector

  Location

  Virginia, United States

  Type

  Growth capital

  Funds affiliated with Madison Dearborn Partners (MDP) have made a strategic growth investment in Harmonia Holdings Group to accelerate the company's expansion as a digital transformation provider to the U.S. Federal Government. As part of the transaction, industry veteran Damon Griggs joins Harmonia as CEO and Chairman and Jon Brooks joins as Chief Business and Legal Officer; Harmonia's founders retain significant ownership. Financial terms were not disclosed.

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