Top suppliers
Top suppliers to GREAT BRITISH NUCLEAR
Top-five suppliers hold 95% of contract value — a concentrated market.
Procurement categories
What GREAT BRITISH NUCLEAR buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
661700007222000079110000391300008514000080530000794100007934000079950000Recent contracts
Latest GREAT BRITISH NUCLEAR contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
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Open opportunities
Open GREAT BRITISH NUCLEAR tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Lead Financing and Structuring Advisory Services
Lead Financing and Structuring Advisory Services
Owner's Engineer
£600.0M
Owner's Engineer
£600.0M
Lead Financing and Structuring Advisory Services
SMR Delivery Partner
Market analysis
Bidding into GREAT BRITISH NUCLEAR — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
95%
Top-5 supplier share
71d
Avg response window
35d
Median response window
18mo
Avg contract duration
Frequently asked
Common questions about selling to GREAT BRITISH NUCLEAR
How much does GREAT BRITISH NUCLEAR spend on procurement?
GREAT BRITISH NUCLEAR awarded 20 contracts totalling £18.0M between 2023-07-31 and 2026-07-31, working with 10 unique suppliers. Average contract value is £900K.
Who are GREAT BRITISH NUCLEAR's top suppliers?
The largest suppliers to GREAT BRITISH NUCLEAR by total award value are Deloitte LLP, Pinsent Masons LLP, Burges Salmon LLP. The top five suppliers together hold 95% of contract value.
What does GREAT BRITISH NUCLEAR buy from suppliers?
GREAT BRITISH NUCLEAR's procurement is concentrated in financial consultancy, financial transaction processing and clearing-house services, systems and technical consultancy services, legal advisory and representation services, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for GREAT BRITISH NUCLEAR contracts?
GREAT BRITISH NUCLEAR publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
What's the typical response window for GREAT BRITISH NUCLEAR tenders?
GREAT BRITISH NUCLEAR typically gives suppliers a median of 35 days to respond (average 71 days). Standard contract duration is around 18 months.
Continue reading
Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is GREAT BRITISH NUCLEAR's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-07-31
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.