Sentinel Dock & Door Solutions Has Been Acquired by ASSA ABLOY

William Blair acted as the exclusive financial advisor to Sentinel Dock & Door Solutions (Sentinel), a portfolio company of Trivest Partners (Trivest), in connection with its sale to ASSA ABLOY (STO: ASSA B). The transaction closed on June 1, 2026, and highlights William Blair's continued momentum across the commercial services sector.

About the Companies

Sentinel, based in Oakville, ON, is a leading provider of essential dock and door solutions serving commercial and industrial customers across Canada. The company offers comprehensive service and maintenance, installation, and product solutions across overhead doors, dock levelers, and related loading dock equipment. For more information, visit sentineldds.com.

Trivest, based in Miami, FL with a presence in Charlotte, Chicago, Denver, Los Angeles, New York, and Toronto, is a private investment firm that focuses exclusively on the support and growth of founder-led and family-owned businesses in the United States and Canada, in both control and non-control transactions. For more information, visit https://www.trivest.com.

ASSA ABLOY, based in Stockholm, Sweden, is a global leader in access solutions, helping to make people feel safe and secure and experience a more open world. ASSA ABLOY operates worldwide with 64,000 employees and leading positions in areas such as efficient door openings, trusted identities, and entrance automation. For more information, visit https://www.assaabloy.com.

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