Phil Williams

RPS Group Ltd. engages in the provision of environmental consultancy services for infrastructure, urban growth, energy, mining, and natural resource management. It operates through the following business segments: Energy, Consulting-Unites Kingdom and Ireland, Services-United Kingdom and Netherlands, Norway, North America and Australia Asia Pacific. The company was founded in 1970 and is headquartered in Abingdon, the United Kingdom.

RPS Hydrosearch offers geosciences consultancy services. It provides marine geophysical, geotechnical, and oceanographic site investigation services for drilling rigs, production platforms, wind turbines, sub-sea structures, cables, and pipelines. The company was founded in 1979 and is headquartered in Woking, UK

Part of Tetra Tech, Inc., Hydrosearch Associates Ltd. is a British company that provides geological and other environmental services and consultancy to the energy sector. The company is based in Woking, UK. Hydrosearch Associates was acquired by RPS Group Plc, part of Tetra Tech, Inc. from January 23, 2023 on September 24, 2003 for $24.88 million.

Applied Science Associates, Inc. provides science and technology solutions. It offers consulting, environmental modeling, and application development to clients. The company was founded in 1979 and it is headquartered in South Kingstown, RI