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Service market

Legionella risk assessment contracts

UK public sector · 168 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
168
Last 12 months
Median contract
£108k
Recorded value
Recorded value
£51.7m
145 of 150 main-service contracts have a published value
Buyers
131
Suppliers
90

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

What stands out

  • The five suppliers that won the most legionella risk assessment contracts took 27% of them (46 of 168).
  • Contracts awarded per quarter rose 20% from the first half of the period to the second.
  • The median contract, £108k, is 22% below the median across construction & trades contracts (£139k).

Who buys legionella risk assessment

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

  1. 1NORTHERN HOUSING CONSORTIUM LIMITED15 contracts
  2. 2University Hospitals of Derby and Burton NHS Foundation Trust6 contracts
  3. 3Countess of Chester Hospital NHS Foundation Trust4 contracts
  4. 4Norfolk County Council3 contracts
  5. 5Gov Facility Services Ltd3 contracts
  6. 6Somerset NHS Foundation Trust3 contracts
  7. 7Wirral Council2 contracts
  8. 8Ashford Borough Council2 contracts
  9. 9Sheffield City Council2 contracts
  10. 10East and North Hertfordshire Teaching NHS Trust2 contracts

Top legionella risk assessment contractors by contracts won

The 12 months to 6 October 2026.

  1. 1Rock Compliance Ltd12 contracts
  2. 2Churchill11 contracts
  3. 3HSL Compliance9 contracts
  4. 4PROECONOMY LIMITED8 contracts
  5. 5Integrated Water Services6 contracts
  6. 6Urban Environments Ltd5 contracts
  7. 7Second Element Ltd5 contracts
  8. 8HERTS ENVIRO SERVICES LTD4 contracts
  9. 9Sureserve4 contracts
  10. 10Life Environmental Services3 contracts

Latest and largest awards

Each links to the official notice.

Latest

Largest

Contracts awarded by quarter

40Q4 2025*35Q1 202651Q2 202642Q3 20260Q4 2026*
* part quarter

Where the contracts were awarded

England 148 · Wales 9 · Scotland 8 · Northern Ireland 3

South East19North West18South West18Yorkshire and The Humber17East Midlands17London14East of England11West Midlands10Wales8Scotland8North East7Northern Ireland2UK-wide or not stated19

What is included

Legionella risk assessments and written schemes, temperature monitoring, water sampling and analysis, tank and outlet cleaning and disinfection, and remedial works to control waterborne pathogens.

  • Legionella risk assessments
  • Monthly temperature monitoring and sampling
  • Independent water testing and analysis
  • Managed water safety services
  • Water hygiene remedial works
  • Point-of-use filters for Legionella and Pseudomonas

What is not included

  • Closed-system and boiler water treatment (con.mech.water-treatment)
  • General plumbing repairs (con.mech.plumbing)
  • Industrial tank and plant cleaning (cln.spec.industrial-and-tank-cleaning)
  • Authorising engineer (water) consultancy (another industry: consulting-accountancy)

Often bought by the same buyers