Trinity Consultants Expands Built Environment Division with JBB Acquisition

On October 28, 2025, Trinity Consultants, a global leader in consulting services for natural and built environments, announced its acquisition of Jaros, Baum & Bolles (JBB), a prestigious firm based in New York specializing in mechanical, electrical, plumbing (MEP), and fire protection engineering. This strategic acquisition marks a significant growth milestone for Trinity as it enhances their capabilities in delivering innovative solutions across various sectors, particularly in commercial, healthcare, life sciences, aviation, and data centers.

A New Era for Trinity

Trinity Consultants aims to integrate JBB's esteemed reputation in specialty MEP with its existing services in acoustic design, facility operations, and third-party commissioning. This partnership is expected to create a more comprehensive suite of services for clients, reinforcing Trinity’s commitment to pioneering transformations in the built environment.

Paul Greywall, president and CEO of Trinity Consultants, expressed enthusiasm about the acquisition, highlighting it as a pivotal moment in expanding their operations and expertise. With JBB’s remarkable history and innovative approach to engineering, combined with Trinity's operational strengths, the two companies are poised to shape the future of infrastructure development together.

JBB's Rich Legacy

Founded in 1915, JBB has over a century of experience in the engineering consulting field, completing over 15,000 design projects across more than 50 countries. The firm is known for its involvement in iconic projects, including the redevelopment of the World Trade Center site and the Hudson Yards project in New York City. With an impressive portfolio, JBB has established itself as a key player in the engineering industry, particularly in challenging and high-profile environments.

Shared Vision and Values

The partnership emphasizes a shared culture and commitment to project excellence. JBB’s managing partners, Scott Frank, Walter Mehl, Jr., and Mark Torre, highlighted their mutual desire to innovate and evolve in alignment with industry changes. By joining forces with Trinity, JBB aims to amplify its capabilities and seize new growth opportunities in the market.

Walter Mehl, Jr. will step into the role of Divisional President of the Built Environment division following the acquisition. He underscored the significance of leading the MEP practice during this transformative period, promising to uphold the values and quality standards that both organizations are known for. Together, they plan to pursue ambitious goals that will define the engineering landscape moving forward.

A Commitment to Excellence

This acquisition is noted as the largest in Trinity's 50-year history and underscores their dedication to growth through strategic expansion. The new MEP capabilities will further empower clients, providing them with the resources and expertise needed to achieve their objectives.

Both firms are excited about the potential of this collaboration and believe it will lead to enhanced project outcomes and innovations in engineering practices.

Conclusion

Trinity Consultants and JBB are set to embark on a groundbreaking journey that promises to redefine standards in engineering and project delivery. Their combined efforts will not only streamline services but also contribute to the evolution of the built environment, making it more dynamic and equipped for the future. This strategic move signifies a union of strengths, with a focus on excellence that will benefit clients and communities for years to come.

To learn more about Trinity Consultants and its new offerings, visit Trinity Consultants.