Company profile
UK company 12148578, incorporated on 9 August 2019.
ClearWater Sensors Precision in situ water chemistry monitoring
Clearwater Sensors Ltd is a UK company with status Active founded in 2019 based in South East England.
Company number 12148578
Financial period: 1 Sep 2023 to 31 Aug 2024
Reference milestones and recent Companies House filing stream events.
Next accounts due date
Next confirmation statement due date
AAMD | Transaction MzUzNDU3Mzk3NmFkaXF6a2N4 | Paper/PDF filed
Published 27 Jul 2026 22:56
AA | Transaction MzUyNTE5ODc2NmFkaXF6a2N4 | Paper/PDF filed
Published 06 Jun 2026 22:57
Last accounts made up date
Last confirmation statement made up date
Company registered at Companies House
ClearWater Sensors develops underwater chemical sensors.
Clearwater sensors has setup manufacture at scale and delivered a complex high performance miniature chemical analyser / sensor technology to customers within 10 months of signing license agreements with the NOC and University of Southampton. It now offers for worldwide sale sensors capable of making scientific grade chemical measurements from frozen surface ocean to the deep sea for: Nitrate, Nitrite, Phosphate, Silicate, Iron and pH with further sensors in development (including in collaboration through the license agreement with the NOC). Currently employing 5 FTE staff, including key inventors also employed at the NOC the company has secured innovate UK funding (3 awards) together with angel investment and is experiencing strong demand that is enabling rapid growth. Customers include scientists, government agencies and aquaculture industries in the UK and abroad.
Clearwater sensors has setup manufacture at scale and delivered a complex high performance miniature chemical analyser / sensor technology to customers within 10 months of signing license agreements with the NOC and University of Southampton. It now offers for worldwide sale sensors capable of making scientific grade chemical measurements from frozen surface ocean to the deep sea for: Nitrate, Nitrite, Phosphate, Silicate, Iron and pH with further sensors in development (including in collaboration through the license agreement with the NOC). Currently employing 4 FTE staff, including key inventors also employed at the NOC the company has secured innovate UK funding (2 awards) together with angel investment and is experiencing strong demand that is enabling rapid growth. Customers include scientists, government agencies and aquaculture industries in the UK and abroad.
1 May 2025 to 30 Apr 2027
This collaborative project between ClearWater Sensors Ltd (CWS) and the National Oceanography Centre (NOC) addresses a global, and well publicised UK crisis in water quality. It will develop a new sensor that measures both ammonia (NH3) and ammonium (NH4+) in water, which are markers of untreated sewage. They are nutrients used in natural processes, but a...
1 Jan 2023 to 30 Jun 2027
no public description
1 Dec 2021 to 31 Jan 2022
Assuring good water quality is vital for the health of our rivers, lakes and oceans, and is also important in regulating a range of industrial processes (including drinking water supply). At the moment, collecting data about important parameters such as nutrients (e.g. nitrate and phosphate) and dissolved metals (e.g. iron) is difficult and expensive. Thi...
1 Sep 2020 to 28 Feb 2022
Assuring good water quality is vital for the health of our rivers, lakes and oceans, and is also important in regulating a range of industrial processes (including drinking water supply). At the moment, collecting data about important parameters such as nutrients (e.g. nitrate and phosphate) and dissolved metals (e.g. iron) is difficult and expensive. Thi...
