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supplier · GB-COH03716623

Quintessa Limited

RG91HG combined from 2 published records

Quintessa Limited has won 44 UK public sector awards from 14 buyers since 2014. The typical award is worth £99,580.

as a supplier

44 recorded awards from 14 buyers , between 12 Dec 2014 and 12 Jun 2025.

awards won
44
exclusive
95%
42 sole-winner awards
median award
£99,580
largest
£7.5m

“Exclusive” means this organisation was the only one awarded under that procurement; the rest were shared with other suppliers, typically on a framework.

sells to

common questions about Quintessa Limited

How many public sector contracts has Quintessa Limited won?

Quintessa Limited has won 44 UK public sector contracts from 14 public bodies since 2014.

Which public bodies buy from Quintessa Limited?

Quintessa Limited has won the most contracts from Radioactive Waste Management Limited, Nuclear Waste Services and CTM Portal for the NDA Shared Services Alliance.

How large are Quintessa Limited's contracts?

The median published value of a contract won by Quintessa Limited is £99,580. Framework ceilings are excluded, because they state a spending limit shared across many suppliers rather than a value one supplier received.

Which Quintessa Limited contracts are expiring soon?

1 contract involving Quintessa Limited has an end date in the next 12 months, the earliest on 31 Mar 2027.

contracts expiring in the next 12 months

Contract end dates as published on the original notice. An end date is not a commitment to re-tender — a contract may be extended, varied or allowed to lapse — but it is the earliest public signal that work may come back to market.

contract counterparty value ends
ESC-L2-TO332 Coastal Erosion Assessment Nuclear Waste Services £188,079 31 Mar 2027

contracts won

contractbuyervalueawarded
TO393 Non-Human Biota Phase 2 Nuclear Waste Services £93,160 12 Jun 2025
TO394 Long Term performance of gas vent Nuclear Waste Services £24,665 7 May 2025
ESC-L2-TO391A, B & C: Level 2 Report Support shared Nuclear Waste Services £329,988 30 Apr 2025
LINC Opportunity 26 - Shaft Monitoring Options Study Nuclear Restoration Services Limited (Dounreay) £128,614 13 Mar 2025
ESC-L2-TO359 Period of Authorisation Phase 2 Assessment Nuclear Waste Services £152,211 30 Oct 2024
TO355 - Evaluation of Uncertainty Solubility & Sorption. ESC Framework Lot 2 NWS £57,382 17 Jul 2024
DECOVALEX Project - D2027+ Nuclear Waste Services Ltd £574,560 14 Jul 2024
Biosphere Desk Based Work Nuclear Waste Services £960,000 16 May 2024
Biosphere Training Nuclear Waste Services £29,430 25 Jan 2024
ESC-L2-TO314A Combined EPA (DMF & Silos) Nuclear Waste Services £31,996 19 Jan 2024
ESC-L2-TO333 PoA Assessment Nuclear Waste Services £165,195 17 Jan 2024
ESC-L2-TO341 Non-Human Biota Nuclear Waste Services £130,741 8 Nov 2023
ESC-L2-TO332 Coastal Erosion Assessment Nuclear Waste Services £188,079 3 Nov 2023
ESC-L2-TO331 C-14 and Rad Assessment Nuclear Waste Services £161,805 19 Oct 2023
ESC-L2-TO336 Understanding of the Vault 8 and 9 Base Slabs under Loading. Nuclear Waste Services £57,461 10 Oct 2023
Shaft Post-Grouting and Pre-Retrieval Hydrogeologic Conceptual Model Proposal Dounreay, a division of Magnox Limited £99,580 31 Aug 2023
FS430769 Terrestrial modelling for radiological risk assessments (PRISM) and renewal of AMBER software licence The Food Standards Agency £104,002 30 Mar 2023
Peer Review for Winfrith GRR work Magnox Ltd £35,241 3 Feb 2023
WP320 Climate Projections LLWR t/a NWS £28,200 24 Jan 2023
WP314 EPA Work LLWR t/a NWS £90,873 24 Jan 2023
Coastal Erosion Phase 2 CTM Portal for the NDA Shared Services Alliance £58,870 10 Jan 2022
RWM543 - Reference Groundwaters CTM Portal for the NDA Shared Services Alliance £145,540 26 Aug 2021
GB-Swindon: UKRI-1557 CAE Permafrost Project UK Research & Innovation £32,140 7 Jul 2021
FS430769 Terrestrial modelling for radiological risk assessments (PRISM) and AMBER software licence The Food Standards Agency £55,866 31 Mar 2021
RWM350 Biosphere Tasks - OSEA OSC CTM Portal for the NDA Shared Services Alliance £119,906 10 Mar 2021

every contract won by Quintessa Limited →

as published

This page combines 2 separate records from the source data. Every one is listed below exactly as the publisher filed it, so you can check the grouping yourself.

name as publishedidentifierpostcoderecords
Quintessa Limited · RG9 1HG 41
Quintessa Limited GB-COH 03716623 · 3

why these were combined

Matching uses organisation identifiers where publishers provide them, falling back to name and address. Records are never combined on address alone, because one shared-service postcode carries 244 different organisations. how this works

where these figures come from

Every figure on this page is derived from notices published by Contracts Finder, Find a Tender, Public Contracts Scotland and Sell2Wales, under the Open Government Licence v3.0. The corpus runs from 17 Dec 2014 to 13 Sept 2026 and is refreshed from the publishers' own APIs through the working day.

Records are combined into one organisation on identifiers where publishers provide them — a Companies House number, a GB-PPON supplier id — and on exact normalised name and address where they do not. Never on address alone: one shared-service postcode carries 244 unrelated organisations. The 2 published records behind this page are listed above exactly as filed, so any merge can be checked.

Counts are of contracting processes, not published notices: a tender and its award notice are one contract, and are counted once. Values are medians, never totals, and exclude framework ceilings — a ceiling states a spending limit shared across every supplier on the framework, so adding them together produces a number no one ever spent. sources and coverage · how matching works

Contains public sector information licensed under the Open Government Licence v3.0.