Generational Group Advises ADG Architecture, LLC on Its Sale to The Stonewall Group
Strategic Acquisition Strengthens Presence in Education and Public-Sector Design
Generational Group, a leading mergers and acquisitions advisory firm for privately held businesses, is pleased to announce the successful sale of ADG Architecture, LLC to The Stonewall Group. The transaction officially closed on October 31, 2025, marking a significant milestone for both organizations and positioning ADG Architecture for its next phase of strategic growth.
The acquisition brings together two organizations with shared values and complementary strengths, particularly within the educational and public-sector markets. With the support of Generational Group’s experienced advisory team, the transaction was structured to ensure continuity, growth, and long-term value creation for all stakeholders.
ADG Architecture, LLC
Based in Fort Myers, Florida, ADG Architecture, LLC is a full-service architecture and interior design firm with a reputation for delivering creative, functional, and sustainable design solutions. Founded in 1990, the firm has more than three decades of experience serving clients across a wide range of sectors, including commercial, educational, religious, and public-sector projects.
ADG Architecture is known for its thoughtful approach to design—balancing aesthetics, functionality, and environmental responsibility. The firm emphasizes collaboration with clients, consultants, and contractors to ensure that each project aligns with its intended purpose while meeting budgetary, regulatory, and scheduling requirements.
Throughout every phase of the design and construction process, ADG Architecture has demonstrated a strong commitment to quality, attention to detail, and client satisfaction. This client-focused philosophy has allowed the firm to build lasting relationships and a strong reputation within the Florida market and beyond.
The Stonewall Group
Headquartered in Lafayette, Louisiana, The Stonewall Group is an investment platform focused on acquiring and growing architecture and engineering firms across the United States. The firm partners with established practices to provide capital, operational expertise, and strategic resources designed to enhance long-term performance and scalability.
The Stonewall Group emphasizes operational excellence, transparent business practices, and sustainable growth strategies. By investing in systems, leadership development, and shared services, the platform enables its member firms to focus on what they do best—delivering high-quality professional services—while benefiting from the strength of a larger organization.
Working across architectural and engineering disciplines, The Stonewall Group supports innovation, encourages collaboration, and helps its portfolio companies expand their market reach while maintaining their unique cultures and identities.
A Strategic and Cultural Fit
The acquisition of ADG Architecture represents a strong strategic alignment between the two firms. Both organizations have deep experience in the education sector, as well as a shared commitment to quality design, professional integrity, and long-term client relationships.
“The Stonewall Group was a perfect strategic match for ADG, as both organizations have a strong presence in the educational market,” said Alan Steinberg, Generational Affiliate. “ADG will be a valuable addition to The Stonewall Group platform, and we are confident the firm will continue to thrive as part of a larger, growth-oriented organization.”
Through this partnership, ADG Architecture will gain access to expanded resources, operational support, and growth opportunities, while continuing to serve its clients with the same level of care and expertise that has defined the firm for decades.
Generational Group’s Role in the Transaction
The transaction was led by David Fergusson, Executive Managing Director, M&A, Eastern Region at Generational Group, along with his advisory team. Alan Steinberg, Generational Affiliate, played a key leadership role in executing the deal, with support from Emil Nirkis, Vice President, M&A.
The relationship with ADG Architecture was initially established by Ed Weber, Executive Managing Director, and Dave Heymann, Senior M&A Advisor, whose early engagement laid the foundation for a successful outcome.
From initial discussions through closing, Generational Group provided comprehensive advisory services, including strategic positioning, buyer identification, transaction structuring, and negotiation support. The firm’s disciplined process and industry expertise were instrumental in aligning the goals of both parties and ensuring a smooth transaction.
Commitment to Long-Term Value Creation
Ryan Binkley, CEO of Generational Group, emphasized the firm’s focus on creating sustainable outcomes through thoughtful partnerships. “This transaction reflects our dedication to fostering relationships that deliver lasting value for all involved,” Binkley said. “At Generational Group, we are proud to have brought together two organizations that are well positioned for continued growth and long-term success.”
The acquisition enables ADG Architecture to build upon its strong foundation while benefiting from The Stonewall Group’s platform, resources, and strategic vision. At the same time, The Stonewall Group expands its portfolio with a respected firm that aligns with its mission and market focus.
As ADG Architecture joins The Stonewall Group, clients can expect continuity in leadership, service quality, and design excellence, alongside new opportunities for innovation and growth. The partnership underscores the value of strategic M&A in strengthening professional services firms and positioning them for success in an increasingly competitive marketplace.
This transaction highlights Generational Group’s continued success in advising privately held businesses on strategic exits and growth partnerships—bringing together companies that share values, vision, and a commitment to long-term excellence.
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