Top suppliers
Top suppliers to Nuclear Decommissioning Authority
Top-five suppliers hold 95% 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.
79210000
7921000079620000
7962000073110000
7311000079990000
7999000072260000
7226000063510000
6351000072220000
7222000048820000
4882000071310000
7131000030230000
3023000090520000
9052000079630000
7963000090650000
9065000030120000
3012000079410000
7941000075220000
7522000055120000
5512000080550000
8055000079110000
7911000038220000
38220000Recent contracts
Latest Nuclear Decommissioning Authority contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Microsoft Azure Services VAR
Phoenix Software Ltd · 2026-06-10
£22.5M
Online Digital Library 2026-2028
Perlego Limited · 2026-05-28
£87K
i3P Membership 2026
Connected Places Catapult · 2026-05-21
£30K
Support to change Activites
THE BERKELEY PARTNERSHIP LLP · 2026-05-20
£244K
Nuclear Industry Association 2026/2027 Membership
Nuclear Industry Association · 2026-05-14
£89K
NDA Group Intelligence Management System
Clue Computing Company Limited · 2026-05-13
£57K
Social Media Management Platform - 2026-28
Hootsuite Media UK Limited · 2026-05-12
£82K
Mobile Airtime 2025-2027
VIRGIN MEDIA BUSINESS LIMITED · 2026-05-12
£47K
Provision of Wide Area Network (WAN) 2025-2028
Redcentric Solutions Limited · 2026-05-12
£884K
IAS19 Pension Accounting disclosures FY26/27
ISIO Group Limited · 2026-05-11
£60K
Government Protective Security Centre (PSC) Services
Cabinet Office · 2026-05-11
£16K
ICT Role Mapping
BCS LEARNING & DEVELOPMENT LIMITED · 2026-05-06
£60K
Pensions actuarial advice
Government Actuary's Department · 2026-05-05
£138K
Research and Subscription services
Gartner UK ltd · 2026-05-05
£193K
NDA Group Technical Testing
COMMISSUM ASSOCIATES LIMITED · 2026-05-05
£5.4M
GIS Software
ESRI (UK) Limited · 2026-05-01
£2.1M
Media Monitoring provision
Access Intelligence Media and Communications Limited · 2026-05-01
£94K
Occupational Health for NDA Employees
UK Screening Solutions Ltd · 2026-05-01
£20K
NDA Group Technical Testing
COMMISSUM ASSOCIATES LIMITED · 2026-04-30
£2.4M
Multi Spectral self contained asbestos detection system
The University of Strathclyde · 2026-04-30
£784K
BIDDING AGAINST THESE SUPPLIERS?
See your match score against Nuclear Decommissioning Authority
ENKII scores your business against live tenders and identifies the certifications you need to compete with the suppliers above.
Open opportunities
Open Nuclear Decommissioning Authority tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
PhD bursary call 2026
Deadline: 2026-08-31
£750K
Provision of Services for Nuclear Decommissioning Authority Archive Ltd
Bespoke Learning and Coaching Sessions
£10.0M
Off-the-shelf Training Courses
£10.0M
Hot Isostatic Pressing (HIP) of Plutonium Powders – Installation and commissioning of equipment in Central Laboratory
NDA Group & UKNNL Business Travel
£42.5M
Spent Fuel and Nuclear Materials
Enabling Decommissioning, Waste Management & Remediation
Apprenticeship Management Services
£7.7M
Strategy support framework
£10.0M
Maentwrog Hydro Power Station Optimisation
£1.1M
Maentwrog Hydro Power Station Optimisation
£1.1M
The provision of intelligent asset management solutions. Improving asset systems
£3.6M
PU Ceramics Academic Hub
£5.0M
Cyber Security and Resilience Assurance
£7.0M
The provision of intelligent asset management solutions. Improving asset systems
£3.6M
Estates Management Services
£25.0M
The provisions for services to collect, transport, store and process existing High Activity Sealed Radioactive Sources (SRS) using a pre-determined disposal route.
£4.5M
The provisions for services to collect, transport, store and process existing High Activity Sealed Radioactive Sources (SRS) using a pre-determined disposal route.
£4.5M
The provisions for services to collect, transport and process existing Sealed Radioactive Sources (SRS) using a pre-determined disposal route
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.
The provision of Asset Management and Continuous Improvement Services for NDA an
Expires: 2026-06-21
£2.3M
NDA9/00916.073 - Civil-defence collaboration strategy and technical support
Expires: 2026-06-23
£222K
NDA9/00916.093
Expires: 2026-06-26
£75K
NDA/C17430/22
Expires: 2026-06-30
£240K
NDA9/00916.091 - Support to Sealed sources landscape Review
Expires: 2026-06-30
£60K
Emergency pagers, mass notification communications system
Expires: 2026-06-30
£73K
Captive Management Services for the NDA Group Captive company
Expires: 2026-06-30
£1.3M
GK24-20 - RA for End States of Nuclear Sites and Radioactive Waste
Expires: 2026-07-01
£100K
NDA9/00916.083 - Heysham Licensing Strategy
Expires: 2026-07-12
£40K
12 Months Corporate Membership with the Major Projects Association
Expires: 2026-07-31
£10K
NDA9/00916.075 - SDR Technical Support 25/26
Expires: 2026-08-11
£73K
Support to change Activites
Expires: 2026-08-28
£244K
ICT Role Mapping
Expires: 2026-08-31
£60K
DMOX Plant Hazard Management Strategy
Expires: 2026-09-01
£318K
Financial Risk & Health Reporting
Expires: 2026-09-11
£601K
Financial Risk & Health Reporting
Expires: 2026-09-11
£601K
NDA/C17430/19
Expires: 2026-09-16
£130K
NDA/C17430/21 - R&D Delivery Improvements
Expires: 2026-09-30
£130K
Cyber Risk Assessment and Management specialists
Expires: 2026-09-30
£7.5M
Provision of Insurance Broker and Associated Services
Expires: 2026-09-30
£1.8M
NDA9/00916.090 - Strategic Support to Project Susannah
Expires: 2026-10-11
£105K
Provision of Multi Functional Devices (MFDs), Desktop Printers, Print Management
Expires: 2026-10-15
£9.1M
Provision of Multi Functional Devices (MFDs), Desktop Printers, Print Management
Expires: 2026-10-15
£9.1M
(05 - SF&NM) GK25-13
Expires: 2026-11-02
£100K
GK25-12
Expires: 2026-11-20
£100K
GK25-16
Expires: 2026-11-20
£100K
(04 - SF&NM) GK25-14
Expires: 2026-11-24
£150K
NDA/C17430/17 - HIP1 Equipment to make MOX pellets
Expires: 2026-11-26
£560K
DMOX 3D Audiovisual
Expires: 2026-12-31
£162K
Anchor Partnership extension with the National Decommissioning Centre (NDC).
Expires: 2026-12-31
£200K
NDA Group Opswat Metadefender
Expires: 2026-12-31
£2.4M
NDA Group Opswat Metadefender
Expires: 2026-12-31
£2.4M
NDA Commercial Surge Partner
Expires: 2027-01-08
£1.0M
Value increase (50%) to NDA Commercial Surge Partner
Expires: 2027-01-08
£1.5M
Room / Desk Booking Collaborative Procurement
Expires: 2027-02-06
£447K
Website Accessibility
Expires: 2027-02-22
£99K
Applicant Tracking System
Expires: 2027-03-31
£39K
NDA Legal Panel 2025
Expires: 2027-03-31
£5.0M
Pensions actuarial advice
Expires: 2027-03-31
£138K
Pensions actuarial advice
Expires: 2027-03-31
£138K
Independent advice to the Remuneration Committees
Expires: 2027-03-31
£500K
(06 - EDW&MR) DC25-15
Expires: 2027-05-21
£284K
Legal Advice for the transfer of AGR Assets from EDF to NDA.
Expires: 2027-05-22
£5.0M
'Project Victory' Lot B: Market & Category Intelligence
Expires: 2027-05-23
£406K
Employee Benefits
Expires: 2027-05-30
£60K
Market analysis
Bidding into Nuclear Decommissioning Authority — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
95%
Top-5 supplier share
110d
Avg response window
31d
Median response window
17mo
Avg contract duration
Frequently asked
Common questions about selling to Nuclear Decommissioning Authority
How much does Nuclear Decommissioning Authority spend on procurement?
Nuclear Decommissioning Authority awarded 342 contracts totalling £9.8bn between 2023-06-17 and 2026-06-17, working with 152 unique suppliers. Average contract value is £30.4M.
Who are Nuclear Decommissioning Authority's top suppliers?
The largest suppliers to Nuclear Decommissioning Authority by total award value are PWC, Alexander Mann Solutions Limited, Alexander Mann Solutions. The top five suppliers together hold 95% of contract value.
What does Nuclear Decommissioning Authority buy from suppliers?
Nuclear Decommissioning Authority's procurement is concentrated in 79210000, 79620000, 73110000, 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.
What's the typical response window for Nuclear Decommissioning Authority tenders?
Nuclear Decommissioning Authority typically gives suppliers a median of 31 days to respond (average 110 days). Standard contract duration is around 17 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 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 2026-06-17
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
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.