Source: https://tendernation.io/suppliers/keystone-environmental-04445324 Supplier profile # KEYSTONE ENVIRONMENTAL LIMITED Public sector contracts won, from published award notices SME[Companies House 04445324](https://find-and-update.company-information.service.gov.uk/company/04445324) [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 9 since 5 Aug 2015 Total awarded £1,097,126 where values were published Buyers 8 public bodies Latest win 11 Sept 2026 ## Contracts ending soon Contracts ending in the next 18 months. Buyers usually re-tender before the end date, so these are openings for competitors. - [Water Pipe Installation at Aston Rowant NNR](https://tendernation.io/opportunities/01a13be7-e0e1-7044-b13c-77a26025cbcf/water-pipe-installation-at-aston-rowant-nnr)[Natural England](https://tendernation.io/buyers/natural-england) £20,465 Ends 30 Oct 2026 ## Recent contract awards - [Water Pipe Installation at Aston Rowant NNR](https://tendernation.io/opportunities/01a13be7-e0e1-7044-b13c-77a26025cbcf/water-pipe-installation-at-aston-rowant-nnr)[Natural England](https://tendernation.io/buyers/natural-england) £20,465 11 Sept 2026 - [EDC\_5225\_Ebbsfleet Central Phase 1a Infrastructure Works - Dormouse Habitat Improvement Works](https://tendernation.io/opportunities/01a13be9-a94f-7123-b903-0cae406f45f9/edc-5225-ebbsfleet-central-phase-1a-infrastructure-works-dormouse-habitat-impr)[Ebbsfleet Development Corporation](https://tendernation.io/buyers/ebbsfleet-development-corporation) £99,113 18 Aug 2026 - [Wormwood Scrubs Masterplan Biodiversity & Improvement Works](https://tendernation.io/opportunities/01a13bce-7925-707c-93e5-7e4b30e582ab/wormwood-scrubs-masterplan-biodiversity-improvement-works)[London Borough of Hammersmith and Fuham (LBHF)](https://tendernation.io/buyers/london-borough-of-hammersmith-and-fuham-lbhf) Value not published 29 Apr 2026 - [Riverside Boardwalk Replacement \[GBC\]](https://tendernation.io/opportunities/01a13bd5-abb0-723a-930d-a142cdaacfa5/riverside-boardwalk-replacement-gbc)[Guildford Borough Council](https://tendernation.io/buyers/guildford-borough-council) Value not published 15 Apr 2026 - [Cothill Projects](https://tendernation.io/opportunities/01a13cb5-7a74-71c6-9351-1dcdf3aa62cd/cothill-projects)[NE](https://tendernation.io/buyers/ne) £77,544 18 Sept 2023 - [SCC - MS - Surrey Biodiversity Net Gain Habitat Banking Study](https://tendernation.io/opportunities/01a13cbb-bf4c-70a7-94f4-702853333353/scc-ms-surrey-biodiversity-net-gain-habitat-banking-study)[Surrey County Council](https://tendernation.io/buyers/surrey-county-council) £119,031 18 Sept 2023 - [Cothill Projects](https://tendernation.io/opportunities/01a13cb5-7a74-71c6-9351-1dcdf3aa62cd/cothill-projects)[NE](https://tendernation.io/buyers/ne) £77,544 18 Sept 2023 - [A417 Missing Link - Ecology Fencing & Mitigation](https://tendernation.io/opportunities/01a13cca-d875-72e8-8376-324e2ba533d4/a417-missing-link-ecology-fencing-mitigation)[Kier Highways Limited](https://tendernation.io/buyers/kier-highways-limited) £425,545 7 Mar 2023 - [Contract Award for Reptile Receptor Site](https://tendernation.io/opportunities/01a13cb4-db40-72fe-958d-9ec558df6a9f/contract-award-for-reptile-receptor-site)[Guildford Borough Council](https://tendernation.io/buyers/guildford-borough-council) £37,885 4 Jan 2023 - [Continuation of Great Crested Newt and Reptile Trapping at Cinderford Northern Quarter](https://tendernation.io/opportunities/01a13bfb-dfd2-704e-8bb7-6cc3547c0802/continuation-of-great-crested-newt-and-reptile-trapping-at-cinderford-northern-q)[Homes & Communities Agency](https://tendernation.io/buyers/homes-communities-agency) £240,000 5 Aug 2015 ## Companies House StatusActive Incorporated22 May 2002 (24 yrs) AccountsFull IndustryOther engineering activities [View filing history](https://find-and-update.company-information.service.gov.uk/company/04445324)## Who they win from - [Guildford Borough Council2 wins](https://tendernation.io/buyers/guildford-borough-council) - [Kier Highways Limited1 win](https://tendernation.io/buyers/kier-highways-limited) - [Homes & Communities Agency1 win](https://tendernation.io/buyers/homes-communities-agency) - [NE1 win](https://tendernation.io/buyers/ne) - [Surrey County Council1 win](https://tendernation.io/buyers/surrey-county-council) - [Ebbsfleet Development Corporation1 win](https://tendernation.io/buyers/ebbsfleet-development-corporation) - [Natural England1 win](https://tendernation.io/buyers/natural-england) - [London Borough of Hammersmith and Fuham (LBHF)1 win](https://tendernation.io/buyers/london-borough-of-hammersmith-and-fuham-lbhf) ## What they win - [Construction work](https://tendernation.io/sectors/construction-work)5 - [Furniture, furnishings & cleaning products](https://tendernation.io/sectors/furniture-furnishings)1 - [Research & development](https://tendernation.io/sectors/research-development)1 - [Sewage, refuse, cleaning & environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)1 Competing with KEYSTONE ENVIRONMENTAL LIMITED? TenderNation shows who wins each buyer's work, flags contracts coming up for renewal and emails you new tenders that fit. Free plan available. [All buyers](/buyers)[Start free ](/register) 14-day free trial, no card required