DALLAS–(BUSINESS WIRE)–Generational Group, a leading mergers and acquisitions advisory firm for privately held businesses, is 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.”
About Generational Group
Generational Group, headquartered in Dallas, TX, is a leading, award winning full-service M&A advisory firm. Generational has over 300 professionals across 16 offices in North America. The firm empowers business owners to unlock the full value of their companies through a comprehensive suite of services—including strategic growth consulting, exit planning education, business valuation, value enhancement strategies, M&A advisory, digital solutions, and wealth management.
Celebrating its 20th year, Generational has successfully closed over 1,800 transactions and has ranked #1 or #2 in all LSEG league tables for deals valued between $25 million and $1 billion in 2022, 2023, and 2024.
The firm was named 2025 USA Investment Banking Firm of the Year by the Global M&A Network and recognized as Investment Banking Firm of the Year by The M&A Advisor in both 2022, 2024, and 2025.
Contacts
Media Contact:
Catherine Binkley
469-828-2798
[email protected]
