Fundz

GZA acquires Siefert Associates assets

PRIVATESep 02, 2025

Acquiring Company

GZA GeoEnvironmental

Acquired Company

Siefert Associates

NorwoodWatertownConstructionBuilding MaterialConstructionBuilding Material

Description

GZA GeoEnvironmental Inc. has acquired the assets of Siefert Associates, LLC, enhancing its Contractor Services practice. This acquisition allows GZA to combine expertise and better serve its clients in the infrastructure market. The employees of Siefert Associates have joined GZA, bringing valuable experience to the firm.

Quick answer

GZA GeoEnvironmental is acquiring Siefert Associates, announced September 2, 2025. GZA GeoEnvironmental is based in Norwood, Massachusetts, United States.

How much did GZA GeoEnvironmental pay for Siefert Associates?
The deal value was not disclosed.
What does GZA GeoEnvironmental do?
GZA GeoEnvironmental, Inc. (GZA), founded in 1964 as a soils and foundations specialty consultant, has grown into a full-service company providing clients with highly diversified technical services across its core..
Where are GZA GeoEnvironmental and Siefert Associates based?
GZA GeoEnvironmental is based in Norwood, Massachusetts, United States. Siefert Associates is based in Watertown, Connecticut, United States.
Who are the decision-makers at GZA GeoEnvironmental?
Fundz holds 1 contact at GZA GeoEnvironmental. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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Company Information

Company

GZA GeoEnvironmental

Location

Norwood, Massachusetts, United States

About

GZA GeoEnvironmental, Inc. (GZA), founded in 1964 as a soils and foundations specialty consultant, has grown into a full-service company providing clients with highly diversified technical services across its core practice areas. Employing over 700 engineers, scientists, and technical support staff in 32 offices throughout the U.S., GZA brings a legacy of expertise in geotechnical and environmental engineering. Its core offerings include water, ecology, and construction management services.

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Frequently asked

Who acquired Siefert Associates?

Siefert Associates was acquired by GZA GeoEnvironmental, based in Norwood. The deal was reported on September 2, 2025. GZA GeoEnvironmental, Inc. GZA GeoEnvironmental is privately held and operates in Construction.

When did GZA GeoEnvironmental acquire Siefert Associates?

GZA GeoEnvironmental's acquisition of Siefert Associates was reported on September 2, 2025. GZA GeoEnvironmental Inc. has acquired the assets of Siefert Associates, LLC, enhancing its Contractor Services practice. This acquisition allows GZA to combine expertise and better serve its clients in the infrastructure market. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Siefert Associates do?

Siefert Associates, LLC, founded in 2000, has steadily grown to become the construction engineering firm of choice for leading contractors in the NYC Metropolitan Area and beyond. It is privately held, operating in Construction, and is based in Watertown.

This company was part of an acquisition. Fundz tracks who bought whom, and who to call on both sides.

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