STM Environmental has been acquired by Phenna Group
STM Environmental has been acquired by Phenna Group, gaining access to a broader network of expertise, enhanced resources and global reach. With extensive experience in life safety, environmental compliance and quality testing, along with a wide client base, Phenna Group is the ideal partner to accelerate STM Environmental’s expansion.
STM Environmental provides environmental consultancy services, helping businesses navigate the complexities of environmental legislation while achieving their sustainability goals. The company operates through two key business units: geoenvironmental and flood and drainage. These units offer specialized services, including Phase 1 Desk Studies, Phase 2 Site Investigations, Contaminated Land Assessments, Flood Risk Assessments (FRA) and Sustainable Drainage Systems (SuDS) design. Supporting organizations across various industries such as construction, development and infrastructure, STM Environmental ensures regulatory compliance while advancing sustainability objectives and managing environmental responsibilities.
Phenna Group is an international testing, inspection, certification and compliance (TICC) firm based in Nottingham, England. The group employs a buy-and-build strategy within the fragmented TICC sector, partnering with niche, independent TICC companies that serve a variety of industries. This approach creates opportunities to create synergies and unlock growth potential. Phenna Group employs over 5,300 people and serves more than 18,500 clients globally, offering STM Environmental access to new markets and opportunities for expansion.
Oaklins Evelyn Partners, one of Oaklins’ member firms in the UK, served as the advisor to STM Environmental in this transaction. This deal further highlights Oaklins’ deep expertise in the TICC sector, helping companies navigate strategic transactions within compliance-driven industries.


Talk to the deal team
Oliver Aspinall
Oaklins Evelyn Partners
Related deals
Micro Nav and Global ATS have been acquired by Indra Sistemas S.A.
Indra Sistemas S.A. strengthens its leadership in global air traffic management (ATM) with the acquisition of 100% of the share capital of Micro Nav and Global ATS from UK-based Quadrant Group. This acquisition enhances Indra’s industry-leading capabilities, solidifying its position as a global player in the air traffic control and management market.
Learn moreCanada’s Best Store Fixtures has been acquired by LSI Industries
The acquisition of Canada’s Best Store Fixtures has been successfully completed by LSI Industries to expand its capabilities, geographic reach and market presence, particularly in Canada. CBSF’s expertise and customer relationships complement LSI’s portfolio, creating opportunities for cross-selling and supporting growth in the grocery, quick service restaurant (QSR) and specialty retail sectors.
Learn moreDanish leader in access control systems has been sold to Vækst-Invest
Unitek, a leading provider of innovative access control systems in Denmark, has been acquired by the Danish private equity firm Vækst-Invest to drive its growth and expansion.
Learn more