Established in 2000, Terra Firma has many years of experience in the geotechnical and geoenvironmental industry. With a strong work force of skilled and qualified engineers, technicians and support staff, our professional and enthusiastic team have a wealth of hands on experience across a variety of projects.

We work with a range of clients; private individuals, local authorities, health trusts, housing associations, building contractors, national house builders, civil and structural engineers, architects and planners, on small scale to large scale projects, offering tailored, economic and holistic solutions.

Terra Firma have been providing specialist ground gas protection verification services since 2019; complimenting our existing in-house ground gases investigation, monitoring, risk assessment and remediation services. Creating a one stop professional establishment for all land contamination risk management needs.

The principal ground gas protection system Verification Officer at Terra Firma is suitably qualified holding a Level 4 NVQ Diploma in Verification of Ground Gas Protection Systems. Furthermore, is a CL:AIRE accredited Specialist in Gas Protection Verification (SGPV 0009), an assessor under the same gas protection verification scheme and is a full member of the British Verification Council (BVC), with instant access to industry peers.

Certified Members: 

James Rhys-Williams