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Marine and freshwater

One point of contact – the complete coastal, marine ecology and fisheries service


Our marine division, Thomson Unicomarine, has over 30 years of marine experience, and the team comprises international experts in marine biology and taxonomy.

We have provided specialist marine data management solutions for organisations such as the EA, Cefas and NIEA. We help clients obtain licences and consents for offshore renewable energy and other marine constructions, oil and gas extraction, sewage outfalls, fish farms, navigational dredging & disposal, beach recharging, and aggregate extraction.

We are impressed by Thomson Unicomarine’s in-depth technical knowledge in this area and their enthusiasm to do a good job for us. Dave Levell, Environment Manager, Milford Haven Port Authority

Fish rescue

Our services, and example projects:

Our services


Example projects


Gloucestershire County Council, assessment of marine fish resources, fisheries and conservation, Severn Estuary

Gas platform, North Sea, bathymetric, sediment quality and benthic survey and impact assessment of the decommissioning of a platform

NMBAQC scheme management of benthic invertebrate, particle size and fish elements

Steart Peninsula managed realignment

Thames Estuary, multiple WFD assessments undertaken

Europe, Port expansion, providing expert advice on the Environmental Statement

Thames, Central London, licensing advice and environmental report on multiple construction works

Saudi Arabia, providing methods to improve water quality

VolkerFitzpatrick, fish relocation for a flood alleviation scheme, South East

Quay extension, fisheries and benthic invertebrate surveys and identification, South of England



Thank you so much for the speedy delivery of this project, it has been much appreciated. Gardline Environmental