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Service market

Technical assurance contracts

UK public sector · 56 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
56
Last 12 months
Median contract
£104k
Recorded value
Recorded value
£40.9m
51 of 54 main-service contracts have a published value
Buyers
28
Suppliers
35

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

What stands out

  • The five suppliers that won the most technical assurance contracts took 41% of them (23 of 56).
  • The median contract, £104k, is 29% above the median across consulting & accountancy contracts (£80k).
  • Highways England awarded 34% of the technical assurance contracts (19 of 56).

Who buys technical assurance

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

  1. 1Highways England19 contracts
  2. 2NATIONAL WEALTH FUND LIMITED4 contracts
  3. 3Water Services Regulation Authority (Ofwat)4 contracts
  4. 4UK Research and Innovation (UKRI)3 contracts
  5. 5Department for Energy Security and Net Zero (DESNZ)2 contracts
  6. 6Environment Agency2 contracts
  7. 7Southern Water Services Limited1 contract
  8. 8Transport Scotland1 contract
  9. 9Department for Science, Innovation and Technology (DSIT)1 contract
  10. 10Bristol City Council1 contract

Top technical assurance contractors by contracts won

The 12 months to 6 October 2026.

  1. 1Arup9 contracts
  2. 2WSP6 contracts
  3. 3Arcadis4 contracts
  4. 4AtkinsRéalis4 contracts
  5. 5Amey3 contracts
  6. 6AECOM3 contracts
  7. 7Jacobs2 contracts
  8. 8AtkinsRealis Jacobs Joint Venture2 contracts
  9. 9Ramboll2 contracts
  10. 10Flow Management Solutions Ltd1 contract

Latest and largest awards

Each links to the official notice.

Latest

Largest

Contracts awarded by quarter

17Q4 2025*11Q1 202613Q2 202615Q3 20260Q4 2026*
* part quarter

Where the contracts were awarded

England 52 · Scotland 4

West Midlands8London8South West4Scotland4South East3East of England2North West1UK-wide or not stated26

What is included

Independent engineering and technical advisers who review proposals or guide a client programme where no discipline-specific service applies.

  • Technical and cost assessment of regulated company plans
  • Specialist technical guidance to a client programme

What is not included

  • Nuclear technical support (see Nuclear technical support, engineering and safety)
  • Rail technical advice (see Rail infrastructure design and technical consultancy)
  • Client technical adviser on construction projects (see Capital programme management)
  • Regulatory economics and business plan review (see Regulatory and competition economics)
  • Regulatory data and cost assurance (see Agreed upon procedures)
  • Technology programme advice (see IT & Software)

Often bought by the same buyers