ADG Architecture, LLC Acquired by The Stonewall Group

We are pleased to announce the sale of ADG Architecture, LLC to The Stonewall Group. The acquisition closed October 31, 2025.

Located in Fort Myers, Florida, ADG Architecture, LLC is a full-service architecture and interior design firm offering creative and functional design solutions for commercial, educational, religious, and public-sector projects. Founded in 1990, the firm combines innovative design with practical expertise, delivering spaces that balance aesthetics, purpose, and sustainability. ADG Architecture is recognized for its client-focused approach, attention to detail, and commitment to quality throughout every phase of the design and construction process.

Headquartered in Lafayette, Louisiana, The Stonewall Group is an investment platform that acquires and grows architecture and engineering firms. The company combines capital and industry expertise to strengthen its portfolio brands, focusing on operational excellence, scalable systems, and transparent business practices. Working across architectural and engineering disciplines, The Stonewall Group partners with its member firms to enhance performance, encourage innovation, and expand their market reach.

Generational Group Executive Managing Director, M&A, Eastern Region – David Fergusson, and his team led by Generational Affiliate, Alan Steinberg, with the support of Vice President, M&A, Emil Nirkis successfully closed the deal. Executive Managing Director, Ed Weber, and Senior M&A Advisor, Dave Heymann established the initial relationship with ADG Architecture, LLC.

“The Stonewall Group was a perfect Strategic match for ADG as they both are in the educational market. ADG will be a great addition to the Stonewall Group Platform,” said Alan Steinberg.

Ryan Binkley, CEO of Generational Group, stated, “This transaction reflects our dedication to fostering partnerships that deliver lasting value for all involved. At Generational Group, we’re proud to have brought together two companies positioned for continued growth and long-term strength.”