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NEWS > Siefert Associates Joins GZA GeoEnvironmental
Siefert Associates Joins GZA Geo Environmental
Natick, MA (September 5, 2025) – GZA GeoEnvironmental, a multi-disciplinary firm providing geotechnical, environmental, ecological, water, and construction management services, has purchased the assets of Siefert Associates, a construction engineering firm.
Contact: Jenny Abaunza
[email protected] | 812-369-8248
Natick, MA (September 5, 2025) – GZA GeoEnvironmental, Inc. (“GZA”), a multi-disciplinary firm providing geotechnical, environmental, ecological, water, and construction management services, has purchased the assets of Siefert Associates, a construction engineering firm with offices in Connecticut, New York, and New Jersey.
Founded in 2000 by Vincent Siefert, P.E., President and CEO, Siefert Associates has grown into one of the leading construction engineering firms in the New York City metropolitan area and beyond. The firm is recognized for designing efficient and creative means and methods to deliver large-scale construction projects.
“Vincent Siefert and his team are premier construction engineering practitioners in Metropolitan New York and across the nation, and we’re pleased and honored to welcome them to the GZA team. Siefert Associates’ portfolio strongly complements GZA’s existing Contractor Services practice, giving us both expanded construction engineering expertise and opportunities for our combined team to even better serve our contractor clients and the infrastructure market,” said Patrick Sheehan, President and CEO of GZA.
“My team and I are thrilled to be joining GZA, a strong strategic and cultural fit. As we’ve been working alongside them on many iconic projects we’ve come to share a mutual respect for each other’s attention to quality, technical excellence and client satisfaction. We’ve appreciated learning how much GZA shares our core values of honesty, integrity and life-work balance. We are excited to be part of a growing organization which offers excellent professional development and ownership opportunities. Together we will realize our shared vision of being a diversified and enduring professional engineering firm improving North America’s infrastructure,” commented Vincent Siefert, P.E., President and CEO of Siefert Associates.
For more details about this transaction click here.
Morrissey Goodale, a specialized management consulting and research firm exclusively serving the architecture, engineering, and environmental consulting industries, initiated the transaction and advised Siefert Associates.
Source: GZA GeoEnvironmental
About Morrissey Goodale
Morrissey Goodale has helped hundreds of clients transform and grow their architecture, engineering, and environmental consulting companies into high-level performers through strategic business planning, mergers and acquisition advisory, valuation and ownership transition, market research, marketing and business development, leadership training and development, Lean Operation Strategies, organizational development and management, AI and innovation, and acquisition integration services. Morrissey Goodale’s team of M&A consultants assist throughout the M&A process, from preparing firms for a transaction to a successful integration.
Morrissey Goodale’s extensive network of relationships with AE industry decision-makers around the globe uniquely qualifies the firm to identify the right buyers or sellers and guide AE firms through the complex merger or acquisition process, from conception to close
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