Company profile
SEM
SEM is working towards the evolution of a sustainable, waste-free and circular economy, utilising waste and water treatment technologies to secure our planets health and wealth for generations to come.
Updated 06 Jun 2026 16:52
Financial period: 1 Jan 2024 to 31 Dec 2024
Reference milestones and recent Companies House filing stream events.
Next accounts due date
Next confirmation statement due date
Last confirmation statement made up date
Last accounts made up date
Company registered at Companies House
1 Jan 2025 to 31 Dec 2027
**Challenge Addressed** The increasing cost, regulation and environmental damage mean UK farmers desperately need new alternatives to traditional soil-applied, overseas-derived Nitrogen and Phosphate fertilisers. * **Economic:** Nitrogen fertilisers costs have increased by 80% since 2000, whilst Phosphate fertilisers costs have increased by 70% since 2000...
1 Nov 2021 to 31 Oct 2023
The UK is the eleventh largest milk-producer in the world, with 2.65 million dairy cows producing 12.6 billion litres of milk each year, worth £4.5billion. Across the UK, dairy cows produce dry mass of over 2 million tonnes/year of excreta, traditionally spread onto arable land and grassland as fertiliser. However, land-spreading causes land, water, and a...
1 Oct 2020 to 31 Dec 2020
