Company Profile


Bradworthy Industrial Estate - Langdon Road
United Kingdom (UK)
EX22 7SF
Website Address:

Seiche specialises in the design, development and manufacture of underwater measurement and acoustic systems together with advanced visual detection systems.

Formed in 1996 to undertake underwater acoustics research projects, the company was involved in worldwide supply of PAM equipment to the oil and gas and renewable energy industries with a proven track record exceeding 140,000 days of deployment.

Seiche provides a range of solutions for passive acoustic monitoring from simple single hydrophones to state of the art low noise optical data transmission systems. Bespoke engineered solutions can be provided on request. The company has developed solutions for sound source and underwater noise measurement utilising various deployment techniques to suit different environments.

Seiche provides camera solutions using HD Video, Thermal Imaging and hand held iPads. The company’s proprietary software for Real-time Automated Distance Estimation at Sea (RADES) enables accurate assessment of a marine mammals distance from a sound source.

Seiche has a global reach via three main offices in the UK, USA, and South Africa. The company maintains strong partnerships and relationships with industry, academics, and government agencies around the world.


At Seiche we are specialists in the design, development and manufacture of underwater acoustic and visual systems for monitoring, mitigation and measurement. Our products enable clients to comply with environmental regulations to protect marine life from the effects of sound in water.

Seiche products are designed, manufactured, calibrated and tested on site using the latest equipment and high quality manufacturing techniques. This enables us to obtain full quality control and increases the speed of delivery.

Our dedicated team of engineers and technicians are also able to design bespoke systems for specialist surveys and client systems, deployment methods or unusual environments.


Seiche develops underwater acoustic systems and provides solutions for Modelling, Measurement and Mitigation.


Seiche Water Technology Group provides monitoring and measurement solutions for the marine and utilities industries in the UK and across the world.

Comprising Seiche Ltd, Seiche Training, Seiche Environmental, AutoNaut (Unmanned Surface Vessels) and Ashridge Engineering, the group has unparalleled access to R&D, design, manufacturing, deployment, installation and support.

Seiche Environmental is the most recent additional to the Seiche Water Technology Group


Building on Seiche’s global reputation for providing market-leading technology for offshore measurement, modelling and mitigation, Seiche Environmental will provide quality and effective end-to-end solutions for all stages of project lifecycles.

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