Ends Mar 2027
Crop , Oil & Liquid Sampling 6 months extension
UK Atomic Energy Authority · South East · 6-month contract
Held by RCD Lockinge Ltd
Radioactivity monitoring tenders and contracts
UK public sector, covering 600+ buyer sites
248 radioactivity monitoring tenders and contracts, 35 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£270k
- Contracts a month1.1
- Won by SMEs40%
- Renewing in 6 months3
- Frameworks and DPSs3
- Live now1See them →
Radioactivity monitoring contracts
Tap a region to see its contracts. Pick as many as you like.
26 contracts across the UK, of any size
Live now
1 radioactivity monitoring opportunity is open now
- Awarded16 Oct 2026C29663.013 - Residues Disposition CharacterisationNuclear Decommissioning Authority · North WestWon by TÜV SÜD£81k
- Awarded6 Oct 2026ID 6612871 - DAERA - AFBI - Comprehensive Radiological Monitoring Survey for Radionuclide Decommissioning ProjectAgri-Food and Biosciences Institute · Northern IrelandWon by Aurora Health Physics Services Ltd£323k
- Awarded30 Sep 2026Personal Dosimetry and Environmental Radiation Dose Monitoring ServicesGloucestershire Hospitals NHS Foundation Trust · South WestWon by Landauer
- Awarded22 Sep 2026D2670 Thorium Waste Characterisation ServicesNuclear Restoration Services · North WestWon by NSG Environmental Ltd£60k
- Awarded14 Sep 2026Waste Characterisation Support on the Dounreay siteNuclear Restoration Services · ScotlandWon by AtkinsRéalis and 3 more£3m
- Awarded7 Sep 2026Low Level Waste Stores (LLWS) Container VerificationNuclear Restoration Services · North WestWon by NSG Environmental Ltd£70k
- Awarded8 Jul 2026Analysis of Very Low Active and Environmental SamplesSellafield Ltd · North WestWon by Cavendish Nuclear£113m
- Awarded8 Jul 2026Analysis of Very Low Active and Environmental SamplesSellafield Ltd · North WestWon by Cavendish Nuclear£91.2m
- Awarded1 May 2026Characterisation Bulk Order Further Comp (dummy)Nuclear Waste Services · North WestWon by NSG Environmental Ltd£275k
- Awarded16 Apr 2026Environmental Monitoring Sample AnalysisNuclear Waste Services · North WestWon by SOCOTEC£2m
- Awarded18 Mar 2026Vehicle Gamma Monitor - BerkeleyNuclear Restoration Services · South WestWon by Nuvia Limited£164k
- Awarded6 Mar 2026Crop , Oil & Liquid Sampling 6 months extensionUK Atomic Energy Authority · South EastWon by RCD Lockinge Ltd£29k
- Awarded5 Jan 2026PS25384-Radiochemical analysis of ion exchange resin samples.UK Research and Innovation (UKRI)Won by IRAS Active Analytics£37k
- Awarded18 Nov 2025Tritium Monitoring ServicesNuclear Restoration Services · North WestWon by RCD Lockinge Ltd£272k
- Awarded13 Nov 2025Characterisation of Berkeley CeliteNuclear Restoration Services · North WestWon by SOCOTEC£42k
- Awarded15 Oct 2025Gamma Excavation Monitor (GEM) Trial assessmentNuclear Restoration Services · North WestWon by Nuvia Limited£27k
- Awarded26 Sep 2025RWM400-039 Initial Assessment of Radioactive contamination in Marine SedimentsNuclear Waste Services · South EastWon by Tetra Tech£518k
- Awarded2 Jul 2025Provision of Characterisation SupportNuclear Restoration Services · ScotlandWon by Cyclife UK Limited£50k
- Awarded8 Apr 2025Provision of Characterisation SupportNuclear Restoration Services · ScotlandWon by Cyclife UK Limited£64k
- Awarded2 Apr 2025Characterisation of DNA Cyclone Dust SamplesNuclear Restoration Services · South EastWon by National Nuclear Laboratory£131k
- Awarded31 Mar 2025Environmental Monitoring and Site Characterisation Lab ServicesNuclear Waste Services · North WestWon by Cavendish Nuclear£363k
- Awarded3 Mar 2025Environmental Monitoring and Site Characterisation Lab ServicesNuclear Waste Services · North WestWon by Cavendish Nuclear£363k
- Awarded24 Feb 2025Harwell - Gamma Monitor Survey (LQS)Arcadis · South EastWon by Arcadis£66k
- Awarded28 Nov 2024GB-Harwell: UKRI-4367 Waste Characterisation ServiceUK Research and Innovation (UKRI) · South EastWon by Amentum Clean Energy£90k
- Awarded26 Nov 2024SzA Off site environmental monitoringNuclear Restoration Services · East of EnglandWon by EDF Energy£77k
- Open to joinOpen nowSouth West DPS2 suppliers on it
Where to bid
Where radioactivity monitoring tenders are run
Atamis2 67%
EU-Supply1 33%
Tenders published in the last year that name the bid portal they run on.
Frameworks and DPS
3 frameworks and DPSs for radioactivity monitoring work are running. 1 is open to join now.
Cavendish Nuclear won the most radioactivity monitoring contracts
It also won the most by value. Each dot is one contract, coloured by who bought it.
Transport and utilitiesCentral governmentEducationNHS and healthOther buyers
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Cavendish Nuclear North West · See every contract | 5 | £205m | 3 | ||
| 2 | NSG Environmental Ltd North West · 1 framework place · See every contract | 3 | £405k | 2 | ||
| 3joint | SOCOTEC North West · 1 framework place · See every contract | 2 | £2m | 2 | ||
| 3joint | RCD Lockinge Ltd North West · SME · See every contract | 2 | £301k | 2 | ||
| 3joint | Nuvia Limited North West · 1 framework place · See every contract | 2 | £191k | 1 | ||
| 3joint | Cyclife UK Limited Scotland · 1 framework place · See every contract | 2 | £114k | 1 | ||
| 3joint | Amentum Clean Energy South East · 1 framework place · See every contract | 2 | £90k | 2 | ||
| 8joint | Tetra Tech South East · See every contract | 1 | £518k | 1 | ||
| 8joint | Aurora Health Physics Services Ltd Northern Ireland · SME · See every contract | 1 | £323k | 1 | ||
| 8joint | National Nuclear Laboratory South East · See every contract | 1 | £131k | 1 |
8 more radioactivity monitoring contractors ranked. See the full ranking →
Win radioactivity monitoring contracts? Share your ranking.
Who buys
Transport and utility bodies award 73% of radioactivity monitoring contracts
Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
4 buyers bought radioactivity monitoring more than once in the last 2 years
Each dot is a buyer, by how many radioactivity monitoring contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many radioactivity monitoring contracts it awarded against what they were worth. The busiest and biggest are named.
Transport and utilitiesCentral governmentEducationNHS and healthOther buyers
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Nuclear Restoration Services | 12 | £4.1m |
| 2 | Nuclear Waste Services | 5 | £3.5m |
| 3 | Sellafield Ltd | 2 | £204m |
| 4 | UK Research and Innovation (UKRI) | 2 | £127k |
| 5 | Agri-Food and Biosciences Institute | 1 | £323k |
| 6 | Nuclear Decommissioning Authority | 1 | £81k |
| 7 | Arcadis | 1 | £66k |
| 8 | UK Atomic Energy Authority | 1 | £29k |
| 9 | Gloucestershire Hospitals NHS Foundation Trust | 1 | Not published |
100 radioactivity monitoring contracts awarded since 2021
- 72021
- 162022
- 322023
- 212024
- 112025
- 132026 so far
Prices
Half of radioactivity monitoring contracts are worth less than £90k
Transport and utilitiesCentral governmentEducationOther buyers
The 10 biggest radioactivity monitoring contracts
- Sellafield LtdCavendish Nuclear · 8 Jul 2026
- Sellafield LtdCavendish Nuclear · 8 Jul 2026
- Nuclear Restoration ServicesAtkinsRéalis, Amentum Clean Energy, Cavendish Nuclear, DBD Limited · 14 Sep 2026
- Nuclear Waste ServicesSOCOTEC · 16 Apr 2026
- Nuclear Waste ServicesTetra Tech · 26 Sep 2025
- Nuclear Waste ServicesCavendish Nuclear · 3 Mar 2025
- Nuclear Waste ServicesCavendish Nuclear · 31 Mar 2025
- Agri-Food and Biosciences InstituteAurora Health Physics Services Ltd · 6 Oct 2026
- Nuclear Waste ServicesNSG Environmental Ltd · 1 May 2026
- Nuclear Restoration ServicesRCD Lockinge Ltd · 18 Nov 2025
Renewing contracts
3 radioactivity monitoring contracts come up for renewal in the next 12 months
3 in the next 6 months. Most radioactivity monitoring work is one-off: 38% of the contracts ending are recurring terms that get re-let. The 3 ending soonest are shown in full.
Ends Apr 2027
Independent Monitoring of Radioactivity in Effluent Samples
Department for Environment, Food and Rural Affairs · 54-month contract
Held by UK Health Security Agency
Ends Apr 2027
Characterisation Bulk Order Further Comp (dummy)
Nuclear Waste Services · North West · 1-year contract
Held by NSG Environmental Ltd
Where and when
The North West awards the most radioactivity monitoring contracts
Contracts by region and by month awarded. Click a region to filter the page.
FewerMore contracts
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| North West | 0 | 13 | £208m | £272k | Cavendish Nuclear (4) | Nuclear Restoration Services (6) | 1 |
| South East | 0 | 5 | £834k | £90k | – | – | 1 |
| Scotland | 0 | 3 | £3.2m | £64k | Cyclife UK Limited (2) | Nuclear Restoration Services (3) | 0 |
| South West | 0 | 2 | £164k | – | – | – | 0 |
| East of England | 0 | 1 | £77k | – | – | – | 0 |
| Northern Ireland | 0 | 1 | £323k | – | – | – | 0 |
| North East | 0 | 0 | Not published | – | – | – | 0 |
| Yorkshire and the Humber | 0 | 0 | Not published | – | – | – | 0 |
| East Midlands | 0 | 0 | Not published | – | – | – | 0 |
| West Midlands | 0 | 0 | Not published | – | – | – | 0 |
| London | 0 | 0 | Not published | – | – | – | 0 |
| Wales | 0 | 0 | Not published | – | – | – | 0 |
Often bought with radioactivity monitoring
Related services
Key findings
- £270k a month
of radioactivity monitoring contracts awarded.
Typical contract £218k x 1.3 contracts a month, last 12 months. - 1.1
radioactivity monitoring contracts are awarded in a typical month.
26 contracts in the last 2 years. - 3
radioactivity monitoring contracts come up for renewal in the next 6 months.
Recurring contracts with a named supplier and a published end date before 5 May 2027. - 3
frameworks and DPSs are running for radioactivity monitoring work.
1 open to join now. - 40%
of radioactivity monitoring contracts are won by SMEs.
As recorded by the buyer, on 15 award notices.
How many radioactivity monitoring tenders and contracts are there?
| Last 12 months | Since November 2021 | |
|---|---|---|
| Notices published | 35 | 248 |
| Contracts awarded | 15 | 97 |
10 radioactivity monitoring contracts and frameworks end in the next 12 months, 4 of them recurring services. In the last two years, 9 buyers awarded radioactivity monitoring contracts to 18 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many radioactivity monitoring contracts does the UK public sector award?
26 in the 2 years to 4 November 2026, from 9 public buyers.
How long are radioactivity monitoring tenders open for?
The median radioactivity monitoring tender is open for 30 days from publication to deadline.
How much is a typical public sector radioactivity monitoring contract worth?
The median is £90k, and 60% are worth less than £250k.
Who wins the most public sector radioactivity monitoring contracts?
Cavendish Nuclear won the most (5), and the most by value (£205m).
Which buyers award the most radioactivity monitoring contracts?
Transport and utility bodies award 73% of them.
Which part of the UK awards the most radioactivity monitoring contracts?
The North West: 13 of 26 in the 2 years to 4 November 2026, then the South East (5) and Scotland (3).
How many radioactivity monitoring contracts come up for renewal in the next 12 months?
3 contracts end and are likely to be re-let, the first on 31 March 2027. Another 5 ending are one-off work.
Are there frameworks or DPSs for radioactivity monitoring work that are open to join?
3 frameworks and DPSs for radioactivity monitoring work are running. 1 is open to join now.
What is included
Monitoring of radioactivity in the environment and drinking water, and radiological sampling, analysis, characterisation and quality checking of radioactive wastes, sludges and effluents at nuclear and other sites.
- Environmental radioactivity surveillance around nuclear sites
- Drinking water radioactivity monitoring
- Very low active waste and effluent analysis
- Sludge vault sampling and analysis
- Radioactive waste characterisation
- Radioactive waste consignment quality checking
- Environmental radiation dose monitoring
What is not included
- Radioactive waste collection, packaging and disposal contracts (see Radioactive and nuclear waste management)
- Non-radiological laboratory analysis (see Environmental laboratory analysis)
- Radiation protection advice and personal dosimetry (see Radiation protection adviser services)
- Radioactive waste safety cases (see Nuclear technical support, engineering and safety)
- Radon testing in buildings (see Radon testing and remediation)