Source: https://tendernation.io/suppliers/international-nuclear-services Supplier profile # International Nuclear Services Public sector contracts won, from published award notices Large business[Companies House 01144352](https://find-and-update.company-information.service.gov.uk/company/01144352) [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 35 since 7 Mar 2013 Total awarded £20,843,951 where values were published Buyers 8 public bodies Latest win 29 Jul 2026 ## 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 - [Reactor Retrievals Enablers - 4M Box Calculation](https://tendernation.io/opportunities/01a13cb8-f1c9-73a1-936e-efa03ff41343/reactor-retrievals-enablers-4m-box-calculation)[Magnox Limited](https://tendernation.io/buyers/magnox-limited) £45,048 27 Sept 2023 - [Reactor Retrievals Enablers - Transport Feasibility Study](https://tendernation.io/opportunities/01a13cab-4160-7097-961d-a4ee8f453f13/reactor-retrievals-enablers-transport-feasibility-study)[Magnox Limited](https://tendernation.io/buyers/magnox-limited) £33,757 4 Sept 2023 - [701039378 - DGM/1954 - The Procurement of 30x170mm KCB Ammunition](https://tendernation.io/opportunities/01a13b8a-9b1f-7377-bd8d-2c7d8b53c2db/701039378-dgm1954-the-procurement-of-30x170mm-kcb-ammunition)[Ministry of Defence](https://tendernation.io/buyers/ministry-of-defence) £444,840 3 Sept 2021 - [Expert Support and Alternative Treatment Solutions](https://ted.europa.eu/udl?uri=TED:NOTICE:250082-2021:TEXT:EN:HTML)[LLW Repository Limited](https://tendernation.io/buyers/llw-repository-limited) £12,000,000 18 May 2021 - [Phase 4 Manufacturability and Bolt Testing](https://tendernation.io/opportunities/01a13c67-c543-70ab-b669-4772d505ec49/phase-4-manufacturability-and-bolt-testing)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £22,338 27 Jan 2021 - [Peer Review of Criticality Assessment of Contents in SWTC 500L Drum 3m3 Drums (RWM307)](https://tendernation.io/opportunities/01a13c98-ab06-73fb-8024-70227cab1ec5/peer-review-of-criticality-assessment-of-contents-in-swtc-500l-drum-3m3-drums-r)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £147,470 14 May 2020 - [The assessment of dose during normal conditions of transport (NCT)](https://tendernation.io/opportunities/01a13c4e-4a10-7161-8b3d-dc43e19cbabb/the-assessment-of-dose-during-normal-conditions-of-transport-nct)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £193,284 14 May 2020 - [Peer Review Costs](https://tendernation.io/opportunities/01a13c59-1d20-7022-9e8f-4cf2d193c8d3/peer-review-costs)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £28,733 13 May 2020 - [DECP LFE Presentations](https://tendernation.io/opportunities/01a13c56-2141-730c-be5a-8f750c0e3eb9/decp-lfe-presentations)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £15,824 3 Mar 2020 - [Part 1-2 Peer Review of the Development of a Conceptual Design for RSBTC](https://tendernation.io/opportunities/01a13c50-d6cd-73b1-86e5-692adc6f837f/part-1-2-peer-review-of-the-development-of-a-conceptual-design-for-rsbtc)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £15,760 3 Mar 2020 - [Procurement of 30mm x 170mm KCB ammunition](https://tendernation.io/opportunities/01a13c5e-f84b-705b-bd98-2799bb48cf5a/procurement-of-30mm-x-170mm-kcb-ammunition)[Ministry of Defence, Weapons, Defence General Munitions (DGM) Project Team](https://tendernation.io/buyers/ministry-of-defence-weapons-defence-general-munitions-dgm-project-team) £444,840 2 Mar 2020 - [Production of User Requirement and System Requirement Documents for RWM Rail Wagon(s)](https://tendernation.io/opportunities/01a13c58-7a23-7014-92f0-11a1cdf0929a/production-of-user-requirement-and-system-requirement-documents-for-rwm-rail-wag)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £55,629 6 Feb 2020 - [Review of the 500L Robust Shielded Drum Stillage](https://tendernation.io/opportunities/01a13c5b-d06b-7122-9c6d-5d9177f40e30/review-of-the-500l-robust-shielded-drum-stillage)[Radioactive Waste Management Limited](https://tendernation.io/buyers/radioactive-waste-management-limited) £35,514 7 Jan 2020 ## Companies House StatusActive Incorporated8 Nov 1973 (52 yrs) AccountsFull IndustryOther professional, scientific and technical activities n.e.c. [View filing history](https://find-and-update.company-information.service.gov.uk/company/01144352)## Who they win from - [Radioactive Waste Management Limited23 wins](https://tendernation.io/buyers/radioactive-waste-management-limited) - [Nuclear Decommissioning Authority (NDA)5 wins](https://tendernation.io/buyers/nuclear-decommissioning-authority-nda) - [Magnox Limited2 wins](https://tendernation.io/buyers/magnox-limited) - [LLW Repository Limited1 win](https://tendernation.io/buyers/llw-repository-limited) - [International Nuclear Services Limited1 win](https://tendernation.io/buyers/international-nuclear-services-limited) - [Ministry of Defence1 win](https://tendernation.io/buyers/ministry-of-defence) - [Ministry of Defence, Weapons, Defence General Munitions (DGM) Project Team1 win](https://tendernation.io/buyers/ministry-of-defence-weapons-defence-general-munitions-dgm-project-team) - [United Kingdom National Nuclear Laboratory Limited1 win](https://tendernation.io/buyers/united-kingdom-national-nuclear-laboratory-limited) ## Bids named on award notices Bid for 8 contracts: won 8, lost 0. Award notices have listed every bidder only since the Procurement Act (February 2025). ## Paid by (last 12 months) - [Nuclear Waste Services](https://tendernation.io/buyers/nuclear-waste-services)£317,069 From councils' published spending over £500. ## What they win - [Research & development](https://tendernation.io/sectors/research-development)24 - [Architecture, engineering & surveying](https://tendernation.io/sectors/architecture-engineering-surveying)5 - [Business services](https://tendernation.io/sectors/business-services)2 - [Security, fire & defence equipment](https://tendernation.io/sectors/security-fire-defence-equipment)2 - [Sewage, refuse, cleaning & environmental](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental)1 - [Transport equipment & vehicles](https://tendernation.io/sectors/transport-equipment-vehicles)1 Competing with International Nuclear Services? 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