Source: https://tendernation.io/suppliers/quintessa Supplier profile # Quintessa Limited Public sector contracts won, from published award notices SME[Companies House 03716623](https://find-and-update.company-information.service.gov.uk/company/03716623) [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 50 since 16 Mar 2006 Total awarded £7,861,091 where values were published Buyers 20 public bodies Latest win 13 Jun 2025 ## Contracts ending soon Contracts ending in the next 18 months. Buyers usually re-tender before the end date, so these are openings for competitors. - [ESC-L2-TO332 Coastal Erosion Assessment](https://tendernation.io/opportunities/01a13cb7-79d2-7263-9c2a-e5e549baf274/esc-l2-to332-coastal-erosion-assessment)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £188,079 Ends 31 Mar 2027 - [DECOVALEX Project - D2027+](https://tendernation.io/opportunities/01a13cd6-5735-7271-9e03-d74091662ad8/decovalex-project-d2027)[Nuclear Waste Services Ltd](https://tendernation.io/buyers/nuclear-waste-services-ltd) £574,560 Ends 31 Mar 2028 ## Recent contract awards - [TO393 Non-Human Biota Phase 2](https://tendernation.io/opportunities/01a13d08-d949-718c-8e13-241c93a52350/to393-non-human-biota-phase-2)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £93,160 13 Jun 2025 - [TO394 Long Term performance of gas vent](https://tendernation.io/opportunities/01a13d0e-e9cf-73c6-953b-925f03e0eb8a/to394-long-term-performance-of-gas-vent)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £24,665 8 May 2025 - [ESC-L2-TO391A, B & C: Level 2 Report Support](https://tendernation.io/opportunities/01a13d03-5b10-7031-ab9d-5433234af9a9/esc-l2-to391a-b-c-level-2-report-support)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £109,996 1 May 2025 - [LINC Opportunity 26 - Shaft Monitoring Options Study](https://tendernation.io/opportunities/01a13d02-16a3-7100-adfa-aa97b6e291c3/linc-opportunity-26-shaft-monitoring-options-study)[Nuclear Restoration Services Limited (Dounreay)](https://tendernation.io/buyers/nuclear-restoration-services-limited-dounreay) £128,614 13 Mar 2025 - [ESC-L2-TO359 Period of Authorisation Phase 2 Assessment](https://tendernation.io/opportunities/01a13cfa-7bcb-7117-a6a6-7e0fd2e46135/esc-l2-to359-period-of-authorisation-phase-2-assessment)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £152,211 30 Oct 2024 - [TO355 - Evaluation of Uncertainty Solubility & Sorption. ESC Framework Lot 2](https://tendernation.io/opportunities/01a13ce7-e09b-7063-b083-e45de92c848e/to355-evaluation-of-uncertainty-solubility-sorption-esc-framework-lot-2)[NWS](https://tendernation.io/buyers/nws) £57,382 18 Jul 2024 - [DECOVALEX Project - D2027+](https://tendernation.io/opportunities/01a13cd6-5735-7271-9e03-d74091662ad8/decovalex-project-d2027)[Nuclear Waste Services Ltd](https://tendernation.io/buyers/nuclear-waste-services-ltd) £574,560 15 Jul 2024 - [Biosphere Desk Based Work](https://tendernation.io/opportunities/01a13cf2-f80e-7054-b675-a1a13c438859/biosphere-desk-based-work)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £960,000 17 May 2024 - [DECOVALEX Project - D2027+](https://tendernation.io/opportunities/01a13ba7-c8ac-72e3-b2d1-47e61fa5ce4f/decovalex-project-d2027)[Nuclear Waste Services Limited](https://tendernation.io/buyers/nuclear-waste-services-limited) £574,560 1 Apr 2024 - [Biosphere Training](https://tendernation.io/opportunities/01a13cec-112e-7281-9565-22d3fa3fa40a/biosphere-training)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £29,430 25 Jan 2024 - [ESC-L2-TO314A Combined EPA (DMF & Silos)](https://tendernation.io/opportunities/01a13cf0-4a46-70a5-b758-b73e1c3d5e09/esc-l2-to314a-combined-epa-dmf-silos)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £31,996 19 Jan 2024 - [ESC-L2-TO333 PoA Assessment](https://tendernation.io/opportunities/01a13ce6-12ba-7189-981a-10a3d96e9c85/esc-l2-to333-poa-assessment)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £165,195 17 Jan 2024 - [ESC-L2-TO341 Non-Human Biota](https://tendernation.io/opportunities/01a13caa-5356-73b8-8c65-f13a255ef89f/esc-l2-to341-non-human-biota)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £130,741 8 Nov 2023 - [ESC-L2-TO332 Coastal Erosion Assessment](https://tendernation.io/opportunities/01a13cb7-79d2-7263-9c2a-e5e549baf274/esc-l2-to332-coastal-erosion-assessment)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £188,079 3 Nov 2023 - [ESC-L2-TO331 C-14 and Rad Assessment](https://tendernation.io/opportunities/01a13cc4-20a1-72b7-9036-0560054ce4e0/esc-l2-to331-c-14-and-rad-assessment)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £161,805 20 Oct 2023 ## Who they win from - [Radioactive Waste Management Limited14 wins](https://tendernation.io/buyers/radioactive-waste-management-limited) - [Nuclear Waste Services12 wins](https://tendernation.io/buyers/nuclear-waste-services) - [CTM Portal for the NDA Shared Services Alliance4 wins](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) - [The Food Standards Agency2 wins](https://tendernation.io/buyers/the-food-standards-agency) - [LLWR t/a NWS2 wins](https://tendernation.io/buyers/llwr-ta-nws) - [Sellafield Ltd2 wins](https://tendernation.io/buyers/sellafield-ltd) - [LLW Repository Ltd1 win](https://tendernation.io/buyers/llw-repository-ltd) - [Nuclear Waste Services Ltd1 win](https://tendernation.io/buyers/nuclear-waste-services-ltd) ## Bids named on award notices Bid for 5 contracts: won 5, lost 0. Award notices have listed every bidder only since the Procurement Act (February 2025). ## What they win - [Research & development](https://tendernation.io/sectors/research-development)24 - [Sewage, refuse, cleaning & environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)15 - [Architecture, engineering & surveying](https://tendernation.io/sectors/architecture-engineering-surveying)8 - [Education & training](https://tendernation.io/sectors/education-training)1 - [Oil & gas industry services](https://tendernation.io/sectors/oil-gas-services)1 - [IT services](https://tendernation.io/sectors/it-services)1 Competing with Quintessa 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