![]() River Otter Renewables River Otter Renewables is a company that produces renewable crude oil from waste. | Anaergia Anaergia is a company that focuses on producing renewable energy and transforming waste into resources. | ![]() Summerleaze Summerleaze is a company that provides mineral extraction, waste management, and renewable energy solutions. | ![]() Greyter Greyter is a company that provides water recycling services intended to save both water and money by reducing the water and waste-water of residential and commercial buildings. | ||
Founding Date | Founding Date 2023 | Founding Date 1974 | Founding Date 2010 | Founding Date 1928 | Founding Date 2012 |
Type | Type Private | Type Public | Type Public | Type Private | Type Private |
Tags | |||||
Locations | Locations Woburn, US HQ | Locations Coventry, GB HQ Darlington, GB | Locations Burlington, CA HQ Dorfen, DE Lippetal, DE Ovada, IT Treviglio, IT Oldenzaal, NL Singapore, SG see more | Locations HQ | Locations Denver, US HQ |
Employees | Employees 350% increase | Employees 7,040 | Employees 282 | Employees 215% decrease | Employees 234% decrease |
Valuation ($) | Valuation ($) N/A | Valuation ($) 10.3 b | Valuation ($) 121 m | Valuation ($) N/A | Valuation ($) N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) £2.8b (FY, 2026) | Revenue (est.) $180.2m (FY, 2025) | Revenue (est.) N/A | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods N/A | Cost of goods $126.7m (FY, 2025) | Cost of goods N/A | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit £2.8b (FY, 2026) | Gross profit $60.1m (FY, 2025) | Gross profit N/A | Gross profit N/A |
Net income | Net income N/A | Net income £371m (FY, 2026) | Net income ($4.5m) (FY, 2025) | Net income N/A | Net income N/A |
Funding | |||||
Total funding raised | Total funding raised N/A | Total funding raised N/A | Total funding raised $ 82.6m | Total funding raised N/A | Total funding raised $ 3m |

Severn Trent is a regulated water and waste water company.
View companyAnaergia is a company that focuses on producing renewable energy and transforming waste into resources.
View company
Summerleaze is a company that provides mineral extraction, waste management, and renewable energy solutions.
View company
Greyter is a company that provides water recycling services intended to save both water and money by reducing the water and waste-water of residential and commercial buildings.
View company