Adler & Allan acquire drainage and civil engineering experts Glanville Environmental
Published 07 May 2025
Adler & Allan, a leading environmental services business backed by Goldman Sachs, has acquired drainage and civil engineering specialists, Glanville Environmental, to further enhance its ability to tackle environmental challenges such as reducing pollution and managing water resources in the Southwest.
Glanville Environmental delivers drainage civil engineering, installation and remediation, specialising in geospatial surveys, CCTV surveying, high-pressure water jetting, gully cleansing, liquid waste movement, and septic tank emptying. Its clients include water, rail, and construction, as well as domestic customers.
With more than 180 employees, working across five depots throughout the Southwest, Glanville Environmental is the largest acquisition to date, seventh in the utilities sector, and tenth overall in the last three years.
Jamie Treliving, Managing Director, Glanville Environmental, said: “We are thrilled to be joining the Adler & Allan Group. The extent of Adler & Allan’s service range, combined with our presence in the Southwest is a fantastic opportunity to broaden our customer offer, whilst further strengthening Adler & Allan’s leading position in the wastewater recycling industry.”
“We are thrilled to be joining the Adler & Allan Group. The extent of Adler & Allan’s service range, combined with our presence in the Southwest is a fantastic opportunity to broaden our customer offer, whilst further strengthening Adler & Allan’s leading position in the wastewater recycling industry.”
Jamie Treliving, Managing Director
Glanville Environmental
Adler & Allan is on a mission to join up environmental services, making it easier for customers to access the solutions they need to tackle the most pressing environmental challenges facing the UK. With an unmatched blend of environmental consulting expertise, wastewater recycling experience, and cutting-edge monitors, data, analysis and insight capability, the acquisition of Glanville Environmental reinforces Adler & Allan’s position as the market leading provider of end-to-end nationwide environmental solutions across a broad range of industrial sectors.
Mike Williamson, Managing Director – Water Division, Adler & Allan, said: “Driven by our purpose of creating better environmental outcomes, welcoming Glanville Environmental into the Adler & Allan family represents another tangible step towards realising our plan to scale our operations and further strengthen our market leading package of integrated environmental solutions.”
“Driven by our purpose of creating better environmental outcomes, welcoming Glanville Environmental into the Adler & Allan family represents another tangible step towards realising our plan to scale our operations and further strengthen our market leading package of integrated environmental solutions.”
Mike Williamson, Managing Director – Water Division
Adler & Allan
This acquisition follows the announcement that leading sustainable remediation specialist MEL Environmental Solutions Ltd joined the Adler & Allan Group in October 2024.
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