Lippes Mathias Advises Independent Sponsor Artinia Group on Strategic Investment in TMMG

December 16, 2025 | Press Releases
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Lippes Mathias LLP is proud to have served as legal counsel to Artinia Group, an independent sponsor and a lower middle market private equity firm focused on partnering with family-owned and operator-led businesses, in its strategic growth investment in Chesapeake, Virginia-based TMMG, a leading provider of systems engineering and life cycle asset management services to U.S. defense agencies. 

The investment was made in partnership with Gemini Investors and True West Capital Partners. This partnership will strengthen TMMG’s capabilities in naval architecture and marine engineering, weapons systems and integration, test and evaluation, training, logistics, and program management. TMMG's management team will continue to lead the company in its expanded growth pursuits and ongoing mission to support U.S. defense agencies. 

Lippes Mathias’ deal team for this transaction was led by John J. Koeppel, partner and leader of the firm's private equity and independent sponsor practice teams, senior PE / M&A associates J. Tyler Finn and Matthew H. Maizes, PE / M&A associate Christopher J. Kolber, and tax counsel Thomas A. Mitchell

About Lippes Mathias LLP

Lippes Mathias is a full-service law firm with 220-plus attorneys serving clients regionally, nationally, and internationally. With offices in Buffalo, Clarence, Albany, Long Island, New York, Rochester, Syracuse, and Saratoga Springs, N.Y.; Greater Toronto Area; Chicago, Ill.; Jacksonville, Tampa Bay, and West Palm Beach, Fla.; Cleveland, Ohio; San Antonio, Texas; Oklahoma City, Okla.; and Washington, D.C., the firm represents publicly and privately owned companies, private equity and venture capital firms, independent sponsors, family offices, real estate developers, financial institutions, municipalities, governmental entities, and individuals. 

Ranked No. 204 on The National Law Journal’s NLJ 500 list of the largest law firms in the United States by attorney headcount, Lippes Mathias is proud to be recognized year after year by The Best Lawyers in America®, U.S. News – Best Lawyers®, Super Lawyers, and Chambers USA. For more information, visit www.lippes.com
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