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Construction Testing Solutions (CTS), is a leading provider of on-site and laboratory testing services. Since inception, we have established a reputation for excellence in servicing the UK construction, quarry products and civil engineering industries.

Our network of ten laboratories, twelve field-based teams and six geotechnical and geoenvironmental consulting offices provides coverage across the whole of the UK. This allows us to offer an extensive range of soil, aggregate, concrete and bituminous materials testing. Other services include full chemical analysis, site investigation, structural investigation, geotechnical consultancy and more.

A program of acquisition has seen the CTS business grow exponentially over the past 10 years, extending our capabilities and capacity across a broader range of testing and geotechnical services.

GT Certification is our most recent acquisition, a measurement services company specialising in construction materials testing and torque and force calibration services.

Mason Evans Partnership were acquired in February 2022. A specialist Geo-environmental consultancy, they provide a variety of solutions to developers, house builders, distillers, local authorities, contractors, consulting engineers and architects.

Silkstone Environmental was acquired in August 2021, which further underpins our current services, in addition to bringing new capacity in-house to offer landfill and quarry monitoring, and permit and planning consultancy.

Nicholls Colton Group was acquired in February 2021, which strengthens our existing portfolio as well as bringing new capabilities, such as bridge structure consultancy and chemistry testing services.

Card Geotechnics Limited (CGL) was acquired at the end of 2020 which has seen a significant expansion of

our Geotechnical Services.