Gallagher Flynn merges with NY accounting firm. Submitted by tim on Tue, 08/18/2026 - 14:59 Related Company BST & Co. and Gallagher Flynn have come together to create BST Gallagher Flynn, combining the strengths, expertise, and shared values of two respected firms to create greater opportunity for clients, employees, and the communities Vermont, Inc serve. Vermont Business Magazine BST & Co. and Gallagher, Flynn & Company today announced the completion of their merger and the launch of BST Gallagher Flynn, a regional accounting and advisory firm positioned to serve clients across the Northeast and beyond. BST is based in Latham, NY, just north of Albany, and Gallagher Flynn is based in South Burlington. The merger became effective on August 5, 2026. The combined firm will bring together more than 230 professionals across offices in New York, Vermont, New Hampshire, and India. The merger unites two highly respected firms with longstanding reputations for client service, technical excellence, and trusted relationships. Together, the combined organization gives clients access to broader expertise across assurance, tax, advisory, outsourced services, and specialized consulting disciplines, all through a single trusted relationship. As client needs grow more complex, the combined firm has greater capacity to invest in technology, innovation, and talent while preserving the personalized service and responsiveness that have long defined both organizations. "Throughout this process, it became clear that our firms share many of the same values and aspirations," said Ron Guzior, Managing Partner of BST & Co. "We are both committed to exceptional client service, investing in our people, and building organizations positioned for long-term success. By bringing our firms together, we are creating real value for our clients and new opportunities for our professionals." Clients of both firms will continue working with the advisors and professionals they know and trust, now supported by the wider capabilities of the combined organization. The merger also strengthens the firm's ability to deepen industry specialization, expand advisory capabilities, and continue evolving alongside the changing needs of clients and the profession. "For generations, both firms have built their success on relationships," said Jason Hamilton, Managing Partner of Gallagher, Flynn & Company. "As we spent time getting to know one another, we found strong alignment in how we serve clients, develop our people, and think about the future. This merger is not about changing what made either organization successful. It is about building on those strengths and creating something even stronger together." Operating as BST Gallagher Flynn, the firm will continue serving clients from its existing offices while bringing together the collective strengths of professionals across the organization. The combination reflects a shared commitment to growth, innovation, and long-term stewardship while preserving the relationship-driven culture and commitment to excellence that have defined both firms throughout their histories. Jason Hamilton, Gallagher Flynn Managing Partner and Ron Guzior, BST Senior Executive mark a new chapter of collaboration. About BST Gallagher Flynn BST Gallagher Flynn is a regional accounting and advisory firm formed through the merger of BST & Co. and Gallagher, Flynn & Company. The combined firm provides assurance, tax, advisory, outsourced accounting, consulting, valuation, forensic accounting, and other specialized services to businesses, nonprofit organizations, governmental entities, and individuals across the Northeast and beyond. With headquarters in Latham, New York and South Burlington, Vermont, the firm brings together the collective expertise, industry depth, and relationship-driven culture of both organizations to help clients navigate an increasingly complex business environment with confidence. About BST & Co. Founded in 1976, BST & Co. is a regional accounting and advisory firm providing assurance, tax, consulting, valuation, forensic accounting, outsourcing, and specialized advisory services to businesses, nonprofit organizations, governmental entities, and individuals. Celebrating its 50th anniversary in 2026, BST serves clients throughout the Northeast and beyond from its headquarters in Latham, New York. The firm's capabilities include Accounting & Advisory, Cybersecurity, Marketing, Talent Strategies, valuation, forensic accounting, and other specialized advisory services. Learn more: www.bstco.com About Gallagher, Flynn & Company Founded in 1961, Gallagher, Flynn & Company is a leading accounting and advisory firm providing assurance, tax, advisory, outsourced accounting, and consulting services to organizations and individuals across a broad range of industries. Headquartered in South Burlington, Vermont, the firm is recognized for its trusted relationships, technical expertise, and client-focused approach. Learn more: www.gfc.com The next chapter begins. Great things happen when two strong firms come together with a shared vision. Managing partners Ron Guzior and Jason Hamilton talk about the decision to merge, the opportunities ahead, and why they're energized by what can be accomplished together. Your questions, answered. Why are BST and Gallagher Flynn coming together?+. What does this merger make possible?+. What does this merger mean for clients?+. What will remain the same?+. What new capabilities and expertise will be available through the combined firm?+. Will my advisors or service team change?+. How does this merger create opportunities for people and careers?+. How large will the combined firm be?+. Will the combined firm continue supporting the communities it serves?+. When does the merger become effective?+. How will updates be communicated?+. What is the vision for the future of the combined firm?+. LATHAM, NY and SOUTH BURLINGTON, VT, August 18, 2026 - BST & Co. and Gallagher, Flynn & Company To support vital journalism, access its archives and get unique features like its award-winning profiles, Book of Lists & Business-to-Business Directory, subscribe HERE! Vermont Business Magazine