Top suppliers
Top suppliers to Office for Nuclear Regulation
Top-five suppliers hold 89% of contract value — a concentrated market.
Procurement categories
What Office for Nuclear Regulation buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
71797273807598Recent contracts
Latest Office for Nuclear Regulation contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
ONR1173 - TSF4 Framework - Bureau Veritas
BUREAU VERITAS UK LIMITED · 2026-10-12
ONR1174 - TSF4 Framework - ESRC Ltd
ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED · 2026-10-12
ONR1180 - TSF4 Framework - Tractebel
TRACTEBEL ENGINEERING (FRANCE) · 2026-10-12
ONR1176 - TSF4 Framework - GRS
Gesellschaft für Anlagen- und Reaktorsicherheit (GRS) gGmbH · 2026-10-12
ONR1179 - TSF4 Framework - Ove Arup and Partners
OVE ARUP & PARTNERS LIMITED · 2026-10-12
ONR1181 - TSF4 Framework - TUV SUD
TUV SUD LIMITED · 2026-10-12
ONR1178 - TSF4 Framework - Mott MacDonald
MOTT MACDONALD LIMITED · 2026-10-12
ONR1175 - TSF4 Framework - Frazer-Nash Consultancy
FRAZER-NASH CONSULTANCY LIMITED · 2026-10-12
ONR1177 - TSF4 Framework - LA International Limited
L.A. INTERNATIONAL COMPUTER CONSULTANTS LIMITED · 2026-10-12
ONR1150 - Provision of a Graphite Technical Advisory Committee (GTAC) and Research in the Area of Nuclear Graphite Structural Integrity
THE UNIVERSITY OF MANCHESTER · 2026-08-05
£4.8M
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What Office for Nuclear Regulation has coming up
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Most of it is in IT services, business services and education & training.
1
tender open now
Inviting bids today
6
contracts ending in 12 months
Likely to be re-tendered: see which, and who holds them
1
planned procurement
Work this buyer has said it intends to tender
1
framework running
Routes to sell here without a full tender
Market analysis
Bidding into Office for Nuclear Regulation — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
65%
Awards to SMEs
89%
Top-5 supplier share
11%
Framework call-offs
1
Awards to social enterprises
Around 65% of Office for Nuclear Regulation’s classified awards go to small and medium-sized enterprises, and 1 have gone to voluntary, community or social enterprises.
Frequently asked
Common questions about selling to Office for Nuclear Regulation
How much does Office for Nuclear Regulation spend on procurement?
Office for Nuclear Regulation awarded 28 contracts totalling £10.8M between 2023-10-17 and 2026-10-17, working with 27 unique suppliers. Average contract value is £599K.
Who are Office for Nuclear Regulation's top suppliers?
The largest suppliers to Office for Nuclear Regulation by total award value are THE UNIVERSITY OF MANCHESTER, Telefónica Tech Northern Ireland Limited, Specialist Computer Centres PLC. The top five suppliers together hold 89% of contract value.
What does Office for Nuclear Regulation buy from suppliers?
Office for Nuclear Regulation's procurement is concentrated in architectural, construction, engineering and inspection services, business services: law, marketing, consulting, recruitment, printing and security, it services: consulting, software development, internet and support, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Office for Nuclear Regulation contracts?
Office for Nuclear Regulation 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.
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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 Office for Nuclear Regulation's largest spend area.
INDEX
All UK public-sector buyers
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Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-10-17
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
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.