BidSkim
Free report
Service market

Nuclear engineering contracts

UK public sector · 143 contracts awarded in the 12 months to 6 October 2026

Covering 600+ buyer portals · 5 years of records · Updated 6 October 2026 · How we count

Contracts awarded
143
Last 12 months
Median contract
£105k
Recorded value
Recorded value
£191m
136 of 143 main-service contracts have a published value
Buyers
14
Suppliers
88

BidSkim assigns contracts to services from the notice text. How services are assigned

What stands out

  • The five suppliers that won the most nuclear engineering contracts took 30% of them (43 of 143).
  • Contracts awarded per quarter fell 31% from the first half of the period to the second.
  • The median contract, £105k, is 31% above the median across consulting & accountancy contracts (£80k).
  • North West had the most contracts: 84, or 59% of the total.

Who buys nuclear engineering

By contracts awarded, the 12 months to 6 October 2026.

  1. 1Nuclear Restoration Services42 contracts
  2. 2Nuclear Decommissioning Authority24 contracts
  3. 3Sellafield Ltd21 contracts
  4. 4UK Industrial Fusion Energy Ltd18 contracts
  5. 5UK Atomic Energy Authority10 contracts
  6. 6Nuclear Waste Services9 contracts
  7. 7National Nuclear Laboratory7 contracts
  8. 8Department for Energy Security and Net Zero (DESNZ)4 contracts
  9. 9International Nuclear Services3 contracts
  10. 10Great British Energy - Nuclear1 contract

Top nuclear engineering contractors by contracts won

The 12 months to 6 October 2026.

  1. 1TÜV SÜD14 contracts
  2. 2Amentum Clean Energy12 contracts
  3. 3National Nuclear Laboratory7 contracts
  4. 4Orano5 contracts
  5. 5AtkinsAltrad5 contracts
  6. 6Mott MacDonald5 contracts
  7. 7Abbott Risk Consulting5 contracts
  8. 8Galson Sciences Limited.4 contracts
  9. 9Alexander Mann Solutions (AMS)3 contracts
  10. 10A2R3 contracts

Latest and largest awards

Each links to the official notice.

Latest

Largest

Contracts awarded by quarter

31Q4 2025*48Q1 202631Q2 202633Q3 20260Q4 2026*
* part quarter

Where the contracts were awarded

England 135 · Scotland 8

North West84South East24Scotland8South West4London3UK-wide or not stated20

What is included

Engineering, safety, research and technology development support for nuclear fission and fusion programmes, including plant and component design, systems engineering, test facilities, decommissioning, waste management and nuclear materials.

  • Technical support to the nuclear regulator
  • Reactor physics and fault studies
  • Decommissioning concept design
  • Engineering design and scope development on nuclear sites
  • Hazard review prioritisation
  • Nuclear metrology
  • Nuclear safeguards programme support
  • Radioactive waste advisory input
  • Siting studies for new nuclear generation
  • Fusion power plant design and development support, including power cycle, cooling and thermal storage design
  • Fusion component development and prototyping, such as gyrotrons and diagnostics concept design
  • Operation and coordination of fusion test facilities
  • Systems engineering, whole-plant integration and control system functional assessment for fusion power plants
  • Nuclear decommissioning, waste management, remediation, spent fuel and nuclear materials research and technology development

What is not included

  • Defence technical consultancy (see Defence technical and analytical consultancy)
  • Radiation protection adviser services in hospitals, universities and laboratories (see Radiation protection adviser services)
  • Renewable generation and grid feasibility (see Local area energy planning)
  • Construction works on nuclear sites (see Construction & Trades)

Often bought by the same buyers