Seiche provides marine technology and environmental service solutions for the offshore marine industries.

PrintWe enable our clients to comply with environmental regulations to protect marine life from the effects of sound in water. Regulatory guidelines are becoming increasingly stringent and we work with clients to provide practical technology and service solutions that meet these requirements.

Specialising in underwater acoustics and noise measurement, Seiche is the worldwide market leader in the provision of passive acoustic monitoring (PAM) equipment for the oil and gas, renewables, construction and marine science sectors. We also work with naval institutes around the world, supplying state-of-the art digital solutions for a variety of applications. With over 20 years’ experience and 250,000 days of deployment across the seven continents, Seiche’s success is based on our ability to supply the right equipment and people at the right time and in the right place.

Our Environmental, Bioscience and Training teams provide full service provision and support to clients across the world and we continue to invest heavily in Research and Development to keep ahead of changing market needs.


AutoNaut helps to monitor The Ocean Cleanup system

In support of The Ocean Cleanup mission, an AutoNaut Unmanned Surface Vessel (USV) has been working alongside the marine plastics removing device as it navigates the GPGP. Since November 2018, one of our five-metre AutoNauts has been involved in a series of missions of up to 50 days’ duration, collecting a wealth of meteorological and […]


The Ocean Cleanup Environmental Monitoring results are now available

Our Seiche PAM buoys, marine mammal observers, technicians and AutoNaut Unmanned Surface Vessels have been busy helping The Ocean Cleanup with its Environmental Monitoring programme. Take a look at the results of the first mission and watch the video showcasing our collaboration here.

Digital Thin Line Array

Seiche’s Digital Thin Line Array is a high-performance, low-noise acoustic array that provides highly sensitive passive acoustic monitoring. The array measures just 20 mm in diameter and houses 8 digital hydrophone sensors, but can be configure for up to 32. The topside electronics are contained within a compact, robust housing. Each hydrophone sensor incorporates a […]


The new MicroPAM is a full PAM monitoring and mitigation system in small, highly portable package. It is IP67-rated and designed for use in tough, marine environments. Featuring interchangeable hydrophone cables in single or multi-sensor arrays it may be used as an autonomous sound recorder, or linked to a laptop computer for real-time monitoring.   […]