Source: https://tendernation.io/suppliers/cavendish-nuclear Supplier profile # Cavendish Nuclear Public sector contracts won, from published award notices Large business[Companies House 03975999](https://find-and-update.company-information.service.gov.uk/company/03975999) [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 94 since 30 Apr 2014 Total awarded £916,748,895 where values were published Buyers 29 public bodies Latest win 29 Jul 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. - [Provision of a Drum Handling System](https://tendernation.io/opportunities/01a13c6e-3a68-7343-bc99-c055402595ac/provision-of-a-drum-handling-system)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £21,409,236 Ends 17 Dec 2026 - [Installed Radiation Protection Instruments (IRPI)](https://tendernation.io/opportunities/01a13ce6-7443-71d0-aa46-ce03f64484be/installed-radiation-protection-instruments-irpi)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £112,000 Ends 31 Mar 2027 - [D1208 In-cell Inspections](https://tendernation.io/opportunities/01a13cf4-858c-70e1-9d20-950497192b7f/d1208-in-cell-inspections)[Nuclear Restoration Services Limited (Dounreay)](https://tendernation.io/buyers/nuclear-restoration-services-limited-dounreay) £106,171 Ends 21 Sept 2027 - [5107 - Invitation to Tender Glove Box Systems](https://tendernation.io/opportunities/01a13c16-3854-70d4-aecf-920f868fd48e/5107-invitation-to-tender-glove-box-systems)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £95,000,000 Ends 17 Dec 2027 - [Radiometrics & Associated Services Lot 3 - Radiometrics Characterisation Services](https://tendernation.io/opportunities/01a13cd6-52c2-70db-92cf-8f8feef11290/radiometrics-associated-services-lot-3-radiometrics-characterisation-service)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £10,240,000 Ends 5 Apr 2028 ## Recent contract awards - [Open Framework for Nuclear Technical Services](https://tendernation.io/opportunities/01a13bdd-bcf6-726c-8d20-21a4fd9a2ac4/open-framework-for-nuclear-technical-services)[United Kingdom National Nuclear Laboratory Limited](https://tendernation.io/buyers/united-kingdom-national-nuclear-laboratory-limited) Value not published 29 Jul 2026 - [Open Framework for Nuclear Technical Services](https://tendernation.io/opportunities/01a13bdd-bcf6-726c-8d20-21a4fd9a2ac4/open-framework-for-nuclear-technical-services)[United Kingdom National Nuclear Laboratory Limited](https://tendernation.io/buyers/united-kingdom-national-nuclear-laboratory-limited) Value not published 29 Jul 2026 - [DCP Stores Extension - Engineering Support Requirement](https://tendernation.io/opportunities/01a13d1c-75e3-72b1-a3f8-7630fa1e1423/dcp-stores-extension-engineering-support-requirement)[Nuclear Restoration Services Limited](https://tendernation.io/buyers/nuclear-restoration-services-limited) £91,754 14 Jul 2026 - [Analysis of Very Low Active and Environmental Samples](https://tendernation.io/opportunities/01a13bcb-ad85-73c3-8496-0b9265158752/analysis-of-very-low-active-and-environmental-samples)[Sellafield Limited](https://tendernation.io/buyers/sellafield-limited) £91,212,912 8 Jul 2026 - [Analysis of Very Low Active and Environmental Samples](https://tendernation.io/opportunities/01a13d00-8d07-72fd-a63b-5b481a661e10/analysis-of-very-low-active-and-environmental-samples)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £113,200,000 8 Jul 2026 - [Analysis of Very Low Active and Environmental Samples](https://tendernation.io/opportunities/01a13d00-8d07-72fd-a63b-5b481a661e10/analysis-of-very-low-active-and-environmental-samples)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £113,200,000 8 Jul 2026 - [Owner's Engineer](https://tendernation.io/opportunities/01a13bcc-8e68-700d-a6d6-29270a09e635/owners-engineer)[Great British Energy - Nuclear](https://tendernation.io/buyers/great-british-energy-nuclear) £150,000,000 31 Mar 2026 - [Owner's Engineer](https://tendernation.io/opportunities/01a13bcc-8e68-700d-a6d6-29270a09e635/owners-engineer)[Great British Energy - Nuclear](https://tendernation.io/buyers/great-british-energy-nuclear) £150,000,000 9 Feb 2026 - [RMS Modifications - Berkeley](https://tendernation.io/opportunities/01a13bc8-3005-737a-b24f-db735d3b539f/rms-modifications-berkeley)[Nuclear Restoration Services Limited](https://tendernation.io/buyers/nuclear-restoration-services-limited) £150,000 24 Nov 2025 - [SGHWR Reactor Dose Modelling](https://tendernation.io/opportunities/01a13bd0-d206-72f8-b845-809e3a920562/sghwr-reactor-dose-modelling)[Nuclear Restoration Services Limited](https://tendernation.io/buyers/nuclear-restoration-services-limited) £34,944 17 Nov 2025 - [Winfrith Engineering: ILW Management Support](https://tendernation.io/opportunities/01a13bbd-85c6-702c-8da3-6157ccb0e4f6/winfrith-engineering-ilw-management-support)[Nuclear Restoration Services Limited](https://tendernation.io/buyers/nuclear-restoration-services-limited) £460,000 15 Aug 2025 - [Winfrith Engineering: ILW Management Support](https://tendernation.io/opportunities/01a13bbd-85c6-702c-8da3-6157ccb0e4f6/winfrith-engineering-ilw-management-support)[Nuclear Restoration Services Limited](https://tendernation.io/buyers/nuclear-restoration-services-limited) £500,000 15 Jul 2025 - [Project Management Support Services for Shaft & Silo](https://tendernation.io/opportunities/01a13d13-0f65-7012-9f03-973086c6c205/project-management-support-services-for-shaft-silo)[Nuclear Restoration Services Limited (Dounreay)](https://tendernation.io/buyers/nuclear-restoration-services-limited-dounreay) £899,000 20 Jun 2025 - [P1 - Provision of technical author support](https://tendernation.io/opportunities/01a13d0b-a50a-7202-9ca8-bd905db06c8e/p1-provision-of-technical-author-support)[Nuclear Restoration Services Limited (Dounreay)](https://tendernation.io/buyers/nuclear-restoration-services-limited-dounreay) £69,675 17 Jun 2025 - [Installed Radiation Protection Instruments (IRPI)](https://tendernation.io/opportunities/01a13ce6-7443-71d0-aa46-ce03f64484be/installed-radiation-protection-instruments-irpi)[Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services) £112,000 16 Jun 2025 ## Who they win from - [CTM Portal for the NDA Shared Services Alliance21 wins](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) - [Sellafield Ltd11 wins](https://tendernation.io/buyers/sellafield-ltd) - [Radioactive Waste Management Limited7 wins](https://tendernation.io/buyers/radioactive-waste-management-limited) - [Magnox Limited6 wins](https://tendernation.io/buyers/magnox-limited) - [Nuclear Restoration Services Limited6 wins](https://tendernation.io/buyers/nuclear-restoration-services-limited) - [Dounreay Site Restoration Limited5 wins](https://tendernation.io/buyers/dounreay-site-restoration-limited) - [Nuclear Restoration Services Limited (Dounreay)4 wins](https://tendernation.io/buyers/nuclear-restoration-services-limited-dounreay) - [Defra Network eTendering Portal4 wins](https://tendernation.io/buyers/defra-network-etendering-portal) ## Bids named on award notices Bid for 14 contracts: won 13, lost 1. - [Lost: Nuclear Decommissioning Authority](https://tendernation.io/opportunities/01a13bcd-33b2-7329-a88b-f00284260e99)27 Mar 2026 Award notices have listed every bidder only since the Procurement Act (February 2025). ## What they win - [Architecture, engineering & surveying](https://tendernation.io/sectors/architecture-engineering-surveying)24 - [Sewage, refuse, cleaning & environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)15 - [Research & development](https://tendernation.io/sectors/research-development)13 - [Business services](https://tendernation.io/sectors/business-services)12 - [Laboratory & precision equipment](https://tendernation.io/sectors/laboratory-precision-equipment)8 - [Other community & personal services](https://tendernation.io/sectors/community-personal-services)7 Competing with Cavendish Nuclear? 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