Construction Testing Solutions (CTS) Acquires Mason Evans

G2 Consulting Group Acquires Construction Testing Services to Expand in Michigan

January 26, 2026

Engineering Services

G2 Consulting Group, a Troy-based geotechnical, environmental, and construction engineering firm, acquired Construction Testing Services (CTS), a long-established engineering services provider with more than 40 years of experience in Michigan’s Bay Area and Thumb region. The deal adds CTS’s nine-person team to G2’s platform, strengthening G2’s in-state footprint and expanding service capabilities for CTS customers. Financial terms were not disclosed, and G2 plans to maintain the CTS office and staff as integration and transition planning get underway.

CTS Group Acquires In Situ Site Investigation Limited

August 22, 2022

Engineering Services

CTS Group, backed by private equity firm Palatine, has acquired geotechnical and geo-environmental specialist In Situ Site Investigation Limited. The St Leonards-on-sea business (37 employees) will expand CTS's ground investigation and site testing capabilities as part of its ongoing buy-and-build growth strategy to broaden geographic coverage and service offerings across the infrastructure and construction markets.

Palatine-backed CTS Group Acquires Concept Engineering Consultants

August 15, 2022

Engineering Services

CTS Group, the Palatine-backed construction testing and geotechnical services platform, has acquired Concept Engineering Consultants Limited. The acquisition — CTS's eighth since Palatine's investment in 2018 — expands CTS's geotechnical consulting, coring, drilling and site investigation capabilities and brings Concept's ~105 employees and Leicester headquarters into the group.

Construction Testing Solutions Acquires GT Certification

May 3, 2022

Engineering Services

Construction Testing Solutions (CTS) has acquired GT Certification, a UK-based measurement services company specializing in construction materials testing and torque and force calibration. The deal expands CTS's materials testing and calibration capabilities and brings GT's 39 staff and Tipton laboratory into CTS's nationwide network.

Construction Testing Solutions Acquires Silkstone Environmental Limited

August 3, 2021

Environmental Services

Construction Testing Solutions (CTS), backed by Palatine Private Equity, has acquired Sheffield-based Silkstone Environmental Limited (SEL), a 12-person environmental consultancy specialising in minerals and waste planning & permitting, site investigation, environmental monitoring and surveying. The bolt-on deal expands CTS's environmental, landfill and quarry monitoring and permitting capabilities across the UK; Silkstone's former owner Mark Barrett will remain with the business.

Construction Testing Solutions Acquires Nicholls Colton Group Ltd

February 1, 2021

Engineering Services

Construction Testing Solutions (CTS) has acquired Nicholls Colton Group Ltd, an independent construction testing and consultancy business headquartered in Leicester. The deal brings over 100 staff and in‑house chemistry testing capabilities to CTS, strengthening its UK construction testing offering and creating operational synergies; former owner Ian Elliot will join CTS as a Director to support integration.