Source: https://tendernation.io/suppliers/oxford-sigma Supplier profile # Oxford Sigma Limited Public sector contracts won, from published award notices SME [Companies House 11874768](https://find-and-update.company-information.service.gov.uk/company/11874768) [ Follow competitor](https://tendernation.io/login "Sign in to follow competitors") [Compete for this work](https://tendernation.io/register) Contracts won 13 since 26 Aug 2022 Total awarded £1,725,797 where values were published Buyers 5 public bodies Latest win 13 Oct 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. - [Strategic Support Framework for Spent Fuel](https://tendernation.io/opportunities/01a13c8b-0419-709e-9573-c97771676daf/strategic-support-framework-for-spent-fuel) [CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) Value not counted: framework or estimated ceiling Ends 31 Oct 2026 - [Corrosion Testing Framework for STEP](https://tendernation.io/opportunities/01a13b92-6eb2-71cf-89be-e289aad1508d/corrosion-testing-framework-for-step) [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) Value not counted: framework or estimated ceiling Ends 2 Nov 2026 - [High Field Testing](https://tendernation.io/opportunities/01a13be6-e225-738c-9306-b23461cc26cf/high-field-testing) [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) £32,000 Ends 24 Dec 2026 - [Materials Testing Framework for STEP](https://tendernation.io/opportunities/01a13bce-5fac-7383-bdeb-9d43a248d396/materials-testing-framework-for-step) [UK Industrial Fusion Solutions Ltd](https://tendernation.io/buyers/uk-industrial-fusion-solutions-ltd) up to £3,500,000 (notice estimate) Ends 30 Nov 2027 ## Recent contract awards - [Corrosion Testing Framework for STEP](https://tendernation.io/opportunities/01a13b92-6eb2-71cf-89be-e289aad1508d/corrosion-testing-framework-for-step) [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) Value not counted: framework or estimated ceiling 13 Oct 2026 - [Corrosion Testing Framework for STEP](https://tendernation.io/opportunities/01a13b92-6eb2-71cf-89be-e289aad1508d/corrosion-testing-framework-for-step) [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) Value not counted: framework or estimated ceiling 13 Oct 2026 - [High Field Testing](https://tendernation.io/opportunities/01a13be6-e225-738c-9306-b23461cc26cf/high-field-testing) [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) £32,000 4 Aug 2026 - [Materials Testing Framework for STEP](https://tendernation.io/opportunities/01a13bce-5fac-7383-bdeb-9d43a248d396/materials-testing-framework-for-step) [UK Industrial Fusion Solutions Ltd](https://tendernation.io/buyers/uk-industrial-fusion-solutions-ltd) up to £3,500,000 (notice estimate) 7 Nov 2025 - [Contracts for Innovation Competition Fusion Industry Challenges: Novel shielding materials and technologies for fusion](https://tendernation.io/opportunities/01a13d0f-79cc-7180-a15a-380d18cbad8f/contracts-for-innovation-competition-fusion-industry-challenges-novel-shielding) [UK Atomic Energy Authority](https://tendernation.io/buyers/uk-atomic-energy-authority) Value not counted: framework or estimated ceiling 29 Sept 2025 - [Design & Build Framework](https://tendernation.io/opportunities/01a13bbc-d8f8-72c7-b91e-ca4d81a20b54/design-build-framework) [UK Atomic Energy Authority](https://tendernation.io/buyers/uk-atomic-energy-authority) Value not counted: framework or estimated ceiling 22 Jul 2025 - [Design & Build Framework](https://tendernation.io/opportunities/01a13bbc-d8f8-72c7-b91e-ca4d81a20b54/design-build-framework) [UK Atomic Energy Authority](https://tendernation.io/buyers/uk-atomic-energy-authority) Value not counted: framework or estimated ceiling 22 Jul 2025 - [Design & Build Framework](https://tendernation.io/opportunities/01a13bbc-d8f8-72c7-b91e-ca4d81a20b54/design-build-framework) [UK Atomic Energy Authority](https://tendernation.io/buyers/uk-atomic-energy-authority) Value not counted: framework or estimated ceiling 22 Jul 2025 - [Simulation Software](https://tendernation.io/opportunities/01a13d05-0220-71b3-b99a-b4cf3bd1f4e8/simulation-software) [UK Atomic Energy Authority](https://tendernation.io/buyers/uk-atomic-energy-authority) Value not counted: framework or estimated ceiling 3 Jul 2025 - [SBRI Competition Fusion Industry Challenges - Novel Concepts for Robust Diagnostics Systems, Sensing and Control](https://tendernation.io/opportunities/01a13cf2-999d-72e3-8ddd-9100d37f512c/sbri-competition-fusion-industry-challenges-novel-concepts-for-robust-diagnost) [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) Value not counted: framework or estimated ceiling 14 Feb 2025 - [Small Scale Experiments for Tritium Breeding (SSETB)](https://tendernation.io/opportunities/01a13bb3-89f6-707a-b4b3-fb7e75be125e/small-scale-experiments-for-tritium-breeding-ssetb) [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) Value not counted: framework or estimated ceiling 17 Jan 2025 - [Development and Testing of Magnet Insulators](https://tendernation.io/opportunities/01a13bae-ddcd-7029-8f41-25bf4bae0a86/development-and-testing-of-magnet-insulators) [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) up to £2,300,000 (notice estimate) 16 Dec 2024 - [SBRI Competition Fusion Industry Challenges - Development of Pulsed Power for Commercial Fusion Applications](https://tendernation.io/opportunities/01a13cde-31bb-717d-8ed7-9f36d5e5f44e/sbri-competition-fusion-industry-challenges-development-of-pulsed-power-for-co) [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) Value not counted: framework or estimated ceiling 17 Sept 2024 - [SBRI Cycle 2 Phase 2 Further Competition](https://tendernation.io/opportunities/01a13ba1-bed6-72a2-a199-aa5b3266ddfc/sbri-cycle-2-phase-2-further-competition) [United Kingdom Atomic Energy Authority](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) £1,499,705 18 Aug 2023 - [Strategic Support Framework for Spent Fuel](https://tendernation.io/opportunities/01a13c8b-0419-709e-9573-c97771676daf/strategic-support-framework-for-spent-fuel) [CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) Value not counted: framework or estimated ceiling 13 Oct 2022 ## Companies House Status Active Incorporated 11 Mar 2019 (7 yrs) Accounts Total exemption full Industry Engineering related scientific and technical consulting activities [View filing history](https://find-and-update.company-information.service.gov.uk/company/11874768) ## Who they win from - [United Kingdom Atomic Energy Authority 6 wins](https://tendernation.io/buyers/united-kingdom-atomic-energy-authority) - [UK Atomic Energy Authority 3 wins](https://tendernation.io/buyers/uk-atomic-energy-authority) - [UK Fusion Energy Ltd 2 wins](https://tendernation.io/buyers/uk-fusion-energy-ltd) - [UK Industrial Fusion Solutions Ltd 1 win](https://tendernation.io/buyers/uk-industrial-fusion-solutions-ltd) - [CTM Portal for the NDA Shared Services Alliance 1 win](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) ## Latest accounts Net assets £217,807 Cash £834,751 Employees 15 Year to 31 Mar 2025, from accounts filed at Companies House. ## Bids named on award notices Bid for 2 contracts: won 1, lost 1. - [Lost: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED](https://tendernation.io/opportunities/01a13bdd-bcf6-726c-8d20-21a4fd9a2ac4) 18 Aug 2026 Award notices have listed every bidder only since the Procurement Act (February 2025). ## What they win - [Research & development](https://tendernation.io/sectors/research-development) 7 - [Laboratory & precision equipment](https://tendernation.io/sectors/laboratory-precision-equipment) 1 - [Industrial machinery](https://tendernation.io/sectors/industrial-machinery) 1 - [IT services](https://tendernation.io/sectors/it-services) 1 - [Fuels, energy & petroleum products](https://tendernation.io/sectors/fuels-energy) 1 ## Is this your company? 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