Top suppliers
Top suppliers to Nuclear Decommissioning Authority
Top-five suppliers hold 96% of contract value — a concentrated market.
Procurement categories
What Nuclear Decommissioning Authority buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
73794872649098663071358580506355Recent contracts
Latest Nuclear Decommissioning Authority contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
NDA Unified Communications and Connectivity Services 2026-2029
British Telecommunications Public Limited Company t/a BT PLC · 2026-08-13
NDA/C17430/15 - NDA Legacy Waste Cave 5
National Nuclear Laboratory · 2026-08-02
GK26-11 - In-active Drying Trials of AGR Slotted Cans (Investigating Impact of Caustic Dosing and Carbon Deposits)
AMENTUM CLEAN ENERGY LIMITED · 2026-07-15
NDA9/00916.091 - Support to Sealed sources landscape Review
TUV SUD Ltd · 2026-06-28
Non-Executive Director Development Training
Institute of Directors · 2026-06-24
£88K
Emergency pagers, mass notification communications system
PageOne Communications Ltd · 2026-06-23
NDA Group Task Based Inflation Metrics Economic Research
Mott MacDonald Ltd. · 2026-06-21
Head Hunting Services to source an NDA Chair of the Board.
RUSSELL REYNOLDS ASSOCIATES LIMITED · 2026-06-17
Influential Vena Solution Cloud Software 2026-2029
Influential · 2026-06-15
NDA group Employee Benefits - Cycle Scheme, Vouchers and Benefits
Reward Gateway (UK) Ltd t/a Reward Gateway / Edenred · 2026-05-30
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Pipeline
Contracts expiring in the next 12 months
When these contracts end, Nuclear Decommissioning Authority typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
NDA/C17430/19
Expires: 2026-09-16
Provision of Insurance Broker and Associated Services
Expires: 2026-09-30
£1.8M
Cyber Risk Assessment and Management specialists
Expires: 2026-09-30
NDA9/00916.090 - Strategic Support to Project Susannah
Expires: 2026-10-11
Provision of Multi Functional Devices (MFDs), Desktop Printers, Print Management
Expires: 2026-10-15
(05 - SF&NM) GK25-13
Expires: 2026-11-02
NDA Task Based Inflation Metrics Research
Expires: 2026-11-09
GK25-16
Expires: 2026-11-20
GK25-12
Expires: 2026-11-20
NDA COMMERCIAL SYSTEMS PROCUREMENT LOT D: SUPPLY CHAIN MAPPING AND RISK MANAGEMENT SYSTEM
Expires: 2026-11-21
£768K
Market analysis
Bidding into Nuclear Decommissioning Authority — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
19%
Awards to SMEs
96%
Top-5 supplier share
76%
Framework call-offs
2
Awards to social enterprises
Around 19% of Nuclear Decommissioning Authority’s classified awards go to small and medium-sized enterprises, and 2 have gone to voluntary, community or social enterprises. Around 76%of awards are call-offs from framework agreements — getting onto the right framework matters as much as the bid itself here.
Frequently asked
Common questions about selling to Nuclear Decommissioning Authority
How much does Nuclear Decommissioning Authority spend on procurement?
Nuclear Decommissioning Authority awarded 197 contracts totalling £218.0M between 2023-09-15 and 2026-09-15, working with 82 unique suppliers. Average contract value is £7.8M.
Who are Nuclear Decommissioning Authority's top suppliers?
The largest suppliers to Nuclear Decommissioning Authority by total award value are National Nuclear Laboratory, IRON MOUNTAIN (UK) PLC, Computacenter (UK) Limited. The top five suppliers together hold 96% of contract value.
What does Nuclear Decommissioning Authority buy from suppliers?
Nuclear Decommissioning Authority's procurement is concentrated in research and development services and related consultancy services, business services: law, marketing, consulting, recruitment, printing and security, software package and information systems, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Nuclear Decommissioning Authority contracts?
Nuclear Decommissioning Authority 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 Nuclear Decommissioning Authority'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 2026-09-15
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.