High-quality site investigation services tailored to meet the needs of our clients. Celebrating 25 years of quality service.

Established in 1997, Concept provides site investigations, geotechnical/environmental consultancy, laboratory testing, instrumentation installation/monitoring services, and survey work to customers in the construction and development sectors.

We are proud to be the primary supplier of site investigations to the London market, but also work throughout the UK. We have more experience in urban site investigations than almost anyone else in the industry – skills which we can take to other urban areas, both nationally and internationally.

Crain on Brighton Beach preparing to lift Rigs onto the seaside

Our Services

Our expert team at Concept delivers the highest quality, accurate and reliable data whilst managing complex projects across various sectors and environments.  

Please see below for a list of the services provided by Concept:

All our operations are undertaken in accordance with our Quality Management System Accredited to ISO 9001:2000.

Our Projects

Southmoor Energy Centre

The ground investigation was required to establish the geology and geotechnical parameters at the site of a proposed new Energy from Waste centre.

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Liverpool Festival Gardens Phase 3

Geo-environmental Ground Investigation to determine underlying ground conditions on a disused historic landfill site which was redeveloped and landscaped in the 1980s to become a leisure park known as Festival Park.

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Buried Utility and Waste Classification Survey

The purpose of the investigation was to undertake a survey to confirm the location and depth of any buried utilities within the extents of the proposed scheme and to obtain soil samples for subsequent waste classification.

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Phenna Infrastructure Division

Concept was originally acquired by CTS (Construction Testing Solutions) in August 2022. Subsequently Oakley Capital a private equity investor acquired CTS who became part of the Phenna Group.

Following this Concept are now proudly part of the Phenna Infrastructure Division. Phenna Group was formed in 2018 and has been partnering with best of breed Testing, Inspection, Certification and Compliance (TICC) businesses ever since.

Today, Phenna Group spans a wide range of end markets, including Infrastructure, the Built Environment, Compliance and Certification, Niche Industrials and Food and Life Sciences and has a rapidly expanding global footprint.

You can find out more by visiting the Phenna Group website for more information on their partnership approach to acquisitions, along with their strategy and operating model.

Client Testimonials

Concepts' team of experts are here ready to discuss a range of services for any new project. Get in touch today!