Contract award notice
Results of the procurement procedure
Section I: Contracting
entity
I.1) Name and addresses
Nuclear Waste Services Limited
05608448
Pelham House, Pelham Drive,
Calderbridge, Seascale
CA20 1DB
UK
Contact person: Tanya Marshall
E-mail: tanya.marshall@nuclearwasteservices.uk
NUTS: UKD1
Internet address(es)
Main address: https://www.gov.uk/government/organisations/nuclear-waste-services/about
Address of the buyer profile: https://www.gov.uk/government/organisations/nuclear-waste-services/about
I.4) Type of the contracting authority
Body governed by public law
I.5) Main activity
Other: Responsible for implementing geological disposal of higher activity radioactive wastes.
Section II: Object
II.1) Scope of the procurement
II.1.1) Title
Post-Closure Safety Case Framework
Reference number: C18104
II.1.2) Main CPV code
98113100
II.1.3) Type of contract
Services
II.1.4) Short description
Post-closure safety cases demonstrate the safety of radioactive waste & geological disposal over long timescales & large uncertainties. This framework requires experts in PCSC production, methodology, modelling & knowledge management.
II.1.6) Information about lots
This contract is divided into lots:
No
II.1.7) Total value of the procurement
Value excluding VAT:
6 000 000.00
GBP
II.2) Description
II.2.2) Additional CPV code(s)
73210000
98113100
90721000
79417000
II.2.3) Place of performance
NUTS code:
UK
II.2.4) Description of the procurement
Post-closure safety cases demonstrate the safety of radioactive waste & geological disposal over long timescales & large uncertainties. This framework requires experts in PCSC production, methodology, modelling & knowledge management.
II.2.5) Award criteria
Quality criterion: Technical
/ Weighting: 70
Quality criterion: Social Value
/ Weighting: 10
Cost criterion: Price
/ Weighting: 20
II.2.11) Information about options
Options:
No
II.2.13) Information about European Union funds
The procurement is related to a project and/or programme financed by European Union funds:
No
Section IV: Procedure
IV.1) Description
IV.1.1) Type of procedure
Restricted procedure
IV.1.3) Information about a framework agreement or a dynamic purchasing system
The procurement involves the establishment of a framework agreement
IV.1.6) Information about electronic auction
An electronic auction will be used
IV.1.8) Information about Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement:
No
IV.2) Administrative information
IV.2.1) Previous publication concerning this procedure
Notice number in the OJ S:
2025/S 000-005387
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
21/10/2025
V.2.2) Information about tenders
Number of tenders received: 5
Number of tenders received from SMEs: 3
Number of tenders received by electronic means: 5
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
INTERA
15462033
Eagle House, 28 Billing Road, Northampton, Northamptonshire
Northampton
NN1 5AJ
UK
NUTS: UK
Internet address(es)
URL: www.intera.com
The contractor is an SME:
Yes
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
Lowest offer:
1.00
GBP
/ Highest offer:
6 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Proportion: 25 %
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
21/10/2025
V.2.2) Information about tenders
Number of tenders received: 5
Number of tenders received from SMEs: 3
Number of tenders received by electronic means: 5
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
Galson Sciences Limited.
02738897
5 Grosvenor House Melton Road Oakham Rutland
Oakham
LE15 6AX
UK
NUTS: UKG3
Internet address(es)
URL: www.galson-sciences.co.uk
The contractor is an SME:
No
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
Lowest offer:
1.00
GBP
/ Highest offer:
6 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Proportion: 25 %
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
21/10/2025
V.2.2) Information about tenders
Number of tenders received: 5
Number of tenders received from SMEs: 3
Number of tenders received by electronic means: 5
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
MCM Environmental Services Ltd
10128718
Ground Floor, 23 Westfield Park, Redland, Bristol
Redland
BS6 6LT
UK
NUTS: UK
Internet address(es)
URL: www.mcmenvironmental.co.uk
The contractor is an SME:
Yes
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
Lowest offer:
1.00
GBP
/ Highest offer:
6 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Proportion: 25 %
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
21/10/2025
V.2.2) Information about tenders
Number of tenders received: 5
Number of tenders received from SMEs: 3
Number of tenders received by electronic means: 5
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
Eden Nuclear
Eden Business Park, 1 Mereside, Greenbank Road, Gilwilly Industrial Estate
Penrith
CA11 9FB
UK
NUTS: UK
The contractor is an SME:
Yes
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
Lowest offer:
1.00
GBP
/ Highest offer:
6 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Proportion: 25 %
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
21/10/2025
V.2.2) Information about tenders
Number of tenders received: 5
Number of tenders received from SMEs: 3
Number of tenders received by electronic means: 5
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
AMENTUM CLEAN ENERGY LIMITED
01172655
305 Bridgewater Place, Birchwood Park
Warrington
WA36XG
UK
NUTS: UK
Internet address(es)
URL: www.jacobs.com
The contractor is an SME:
No
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
Lowest offer:
1.00
GBP
/ Highest offer:
6 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Proportion: 25 %
Section VI: Complementary information
VI.4) Procedures for review
VI.4.1) Review body
Royal Courts Of Justice
Strand
London
WC2A 2LL
UK
E-mail: rcj.dco@justice.gov.uk
Internet address(es)
URL: https://www.find-court-tribunal.service.gov.uk/courts/royal-courts-of-justice
VI.4.3) Review procedure
Precise information on deadline(s) for review procedures:
Any appeals should be promptly brought to the attention of the contact specified in Section I above, and will be dealt with in accordance with the requirements of the Public Contracts Regulations 2015.<br/>Any appeals must be brought within the timescales specified by the applicable law, including without limitation, the Public Contracts Regulations 2015. In<br/>accordance with the Public Contracts Regulations 2015, the Contracting Authority will also incorporate a minimum 10 calendar day standstill period from the date information on award of contract is communicated to tenderers.
VI.5) Date of dispatch of this notice
21/10/2025