Stonebridge Associates

Stonebridge focuses on privately held, middle-market companies across the New England region — often founder-owned or family-run businesses in manufacturing, business services, technology, and healthcare services. Its engagements typically involve first-time institutional liquidity events, succession-driven sales, or growth capital raises for companies with enterprise values between roughly $20 million and $200 million.

The firm sources transactions primarily through its long-standing regional relationships with business owners, attorneys, accountants, and family-office networks in New England. Its boutique structure and decades of local presence give it access to proprietary, non-auctioned opportunities that larger advisory platforms often miss because they screen for larger minimum deal sizes.

Stonebridge operates exclusively as an advisory firm, executing sell-side and buy-side M&A mandates and private capital raises. There is no public record of the firm deploying balance-sheet capital or operating a proprietary investment fund.

No. Stonebridge Associates is an independent investment bank founded and operated out of Boston. It is not a subsidiary of any bank holding company, private equity platform, or larger advisory network.

The firm concentrates on New England, with deal sourcing and execution built around the region's dense landscape of middle-market, often family-held industrial and service companies. While it may execute transactions for acquirers or targets elsewhere when driven by existing relationships, the core practice is rooted in the Boston-to-northern New England corridor.