Status unknownUnited KingdomServicesFramework agreement£10,000,000

Open Framework for Nuclear Technical Services

Awarded to ABBOTT RISK CONSULTING LIMITED, ADVENT IM LIMITED, AFRY SOLUTIONS UK LIMITED +29 more

Published: Published 8 May 2026
Deadline: Closed 17 June 2026

Contracting authority

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITEDBuyer
Warrington, United Kingdom
GB-COH: 03857752
Authority website ↗
United Kingdom National Nuclear Laboratory
Buyer
Warrington, United Kingdom
GB-PPON: PVXT-8784-YGNV
Authority website ↗

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Overview

The UK National Nuclear Laboratory Limited has established an Open Framework for Nuclear Technical Services, awarding the framework to 32 suppliers including Abbott Risk Consulting, Advent IM, AFRY Solutions, and others. The framework runs from September 2026 to September 2030 with an optional 4-year extension to July 2034, and will reopen at least once during the initial 3-year period and again during the remaining contract term to support the supply of nuclear technical services. Call-off contracts will be awarded through mini-competition or direct award mechanisms, with pricing evaluated between 5-95% weighting and technical criteria between 5-95%, and may also include social value assessments up to 90%.

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Lots (10)

Lot 1 - Health Physics and Radiological Protection Advisor
£10,000,000Won by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by CYCLIFE UK LTDWon by MOTT MACDONALD LIMITEDWon by NSG ENVIRONMENTAL LIMITEDWon by NUVIA LIMITED
Lot 2 - Human Factors
£10,000,000Won by ABBOTT RISK CONSULTING LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by ASSYSTEM ENERGY & INFRASTRUCTURE LIMITEDWon by AtkinsRéalisWon by FRAZER-NASH CONSULTANCY LIMITEDWon by IHF LIMITEDWon by MOTT MACDONALD LIMITEDWon by NAVAL SOLUTIONS LTDWon by STANTEC UK LIMITEDWon by TETRA TECH CONSULTING LIMITED
Lot 3 - Radiological & Chemotoxic
£10,000,000Won by ABBOTT RISK CONSULTING LIMITEDWon by AFRY SOLUTIONS UK LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by NUVIA LIMITEDWon by ORANO LIMITEDWon by RISKTEC SOLUTIONS LIMITEDWon by STANTEC UK LIMITEDWon by TETRA TECH CONSULTING LIMITEDWon by TUV SUD LIMITED
Lot 4 - Criticality Safety and Shielding
£10,000,000Won by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by CERBERUS NUCLEAR LIMITEDWon by International Nuclear Services LimitedWon by STANTEC UK LIMITEDWon by TUV SUD LIMITED
Lot 5 - Nuclear Safety Case
£10,000,000Won by ABBOTT RISK CONSULTING LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by CAVENDISH NUCLEAR LIMITEDWon by ORANO LIMITEDWon by TETRA TECH CONSULTING LIMITEDWon by TUV SUD LIMITED
Lot 6 - Fire Safety (Nuclear and Conventional)
£10,000,000Won by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by FRAZER-NASH CONSULTANCY LIMITEDWon by THORNTON TOMASETTI WARRINGTON LIMITEDWon by NUVIA LIMITEDWon by RISKTEC SOLUTIONS LIMITEDWon by STANTEC UK LIMITEDWon by TETRA TECH CONSULTING LIMITED
Lot 7 - Environmental
£10,000,000Won by ABBOTT RISK CONSULTING LIMITEDWon by AFRY SOLUTIONS UK LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by COLLABORATIVE ENVIRONMENTAL ADVISERS (CEA) LIMITEDWon by CYCLIFE UK LTDWon by INTERA GEOSCIENCES UK LIMITEDWon by MOTT MACDONALD LIMITEDWon by NSG ENVIRONMENTAL LIMITEDWon by NUVIA LIMITEDWon by SOCOTEC UK LIMITEDWon by STANTEC UK LIMITEDWon by TUV SUD LIMITED
Lot 8 - Quality and Assurance
£10,000,000Won by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by CYCLIFE UK LTDWon by FRAZER-NASH CONSULTANCY LIMITEDWon by NUCLEAR CONSULTING LIMITEDWon by NUVIA LIMITEDWon by REAL-TIME CONSULTANTS LIMITEDWon by SIRIUS ANALYSIS LIMITEDWon by TUV SUD LIMITEDWon by VULCAIN ENGINEERING LTD
Lot 9 - Security
£10,000,000Won by ADVENT IM LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by AtkinsRéalisWon by FRAZER-NASH CONSULTANCY LIMITEDWon by HOLTEC BRITAIN LIMITEDWon by THORNTON TOMASETTI WARRINGTON LIMITEDWon by NUCLEAR CONSULTING LIMITEDWon by PA CONSULTING SERVICES LIMITEDWon by RISKTEC SOLUTIONS LIMITEDWon by SIRIUS ANALYSIS LIMITEDWon by UBIQUE RISK MANAGEMENT LIMITED
Lot 10 - Multi-Disciplinary Lot
£10,000,000Won by ABBOTT RISK CONSULTING LIMITEDWon by ADVENT IM LIMITEDWon by AFRY SOLUTIONS UK LIMITEDWon by AMENTUM CLEAN ENERGY LIMITEDWon by ASSYSTEM ENERGY & INFRASTRUCTURE LIMITEDWon by AtkinsRéalisWon by CAVENDISH NUCLEAR LIMITEDWon by CERBERUS NUCLEAR LIMITEDWon by COLLABORATIVE ENVIRONMENTAL ADVISERS (CEA) LIMITEDWon by CYCLIFE UK LTDWon by FRAZER-NASH CONSULTANCY LIMITEDWon by HOLTEC BRITAIN LIMITEDWon by INTERA GEOSCIENCES UK LIMITEDWon by THORNTON TOMASETTI WARRINGTON LIMITEDWon by MOTT MACDONALD LIMITEDWon by NAVAL SOLUTIONS LTDWon by International Nuclear Services LimitedWon by NUCLEAR CONSULTING LIMITEDWon by NUVIA LIMITEDWon by PA CONSULTING SERVICES LIMITEDWon by RISKTEC SOLUTIONS LIMITEDWon by REAL-TIME CONSULTANTS LIMITEDWon by SIRIUS ANALYSIS LIMITEDWon by SOCOTEC UK LIMITEDWon by STANTEC UK LIMITEDWon by TETRA TECH CONSULTING LIMITEDWon by TUV SUD LIMITEDWon by UBIQUE RISK MANAGEMENT LIMITEDWon by VULCAIN ENGINEERING LTDWon by NSG ENVIRONMENTAL LIMITEDWon by ORANO LIMITEDWon by IHF LIMITED

Key details

Country: United Kingdom
Status: Status unknown
Category: Services
Estimated value: £10,000,000
Procedure: Open
Contract type: Framework agreement
SME suitable: Yes
Published: 8 May 2026
Questions by: 12 June 2026
Deadline: Closed

Classification (CPV)

Engineering-related scientific and technical servicesResearch consultancy servicesEnvironmental quality control servicesNuclear safety services

Award outcome

Award date: 28 July 2026
Contract period: 27 July 2026 → 27 July 2030

Winners

ABBOTT RISK CONSULTING LIMITED
ADVENT IM LIMITED
AFRY SOLUTIONS UK LIMITED
AMENTUM CLEAN ENERGY LIMITED
ASSYSTEM ENERGY & INFRASTRUCTURE LIMITED
AtkinsRéalis
CAVENDISH NUCLEAR LIMITED
CERBERUS NUCLEAR LIMITED
COLLABORATIVE ENVIRONMENTAL ADVISERS (CEA) LIMITED
CYCLIFE UK LTD
FRAZER-NASH CONSULTANCY LIMITED
HOLTEC BRITAIN LIMITED
IHF LIMITED
INTERA GEOSCIENCES UK LIMITED
International Nuclear Services Limited
MOTT MACDONALD LIMITED
NAVAL SOLUTIONS LTD
NSG ENVIRONMENTAL LIMITED
NUCLEAR CONSULTING LIMITED
NUVIA LIMITED
ORANO LIMITED
PA CONSULTING SERVICES LIMITED
REAL-TIME CONSULTANTS LIMITED
RISKTEC SOLUTIONS LIMITED
SIRIUS ANALYSIS LIMITED
SOCOTEC UK LIMITED
STANTEC UK LIMITED
TETRA TECH CONSULTING LIMITED
THORNTON TOMASETTI WARRINGTON LIMITED
TUV SUD LIMITED
UBIQUE RISK MANAGEMENT LIMITED
VULCAIN ENGINEERING LTD

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Notice history

Every published notice in this contracting process, newest first.

Tender Cancellation
18 August 2026
Contract
30 July 2026
Tender Update
10 June 2026
Contract Notice
8 May 2026

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