Top suppliers
Top suppliers to Sellafield Ltd
Top-five suppliers hold 91% of contract value — a concentrated market.
Procurement categories
What Sellafield Ltd buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
4521000071620000446100001462000042960000383400004299000072220000713100007154000079340000722500007941000071530000451100003411000090510000722100007311000072260000Recent contracts
Latest Sellafield Ltd contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Analysis of Very Low Active and Environmental Samples
Cavendish Nuclear Limited · 2026-07-21
£113.2M
Analysis of Very Low Active and Environmental Samples
Cavendish Nuclear Limited · 2026-07-21
£113.2M
DNWP0070/LOT1B/ SEMAS Optioneering Study
AtkinsAltrad · 2026-07-17
£338K
DNWP0023/LOT1B/ PILE 1 Care & Maintenance FY26/27
AtkinsAltrad · 2026-06-26
£2.4M
DNWP0027/LOT4/Waste OU - FGMSP Skips Trial - Active
AtkinsAltrad · 2026-06-17
£3.2M
DNWP0024/LOT1B/ RAHF North Engineering Support
AtkinsAltrad · 2026-06-05
£875K
DNWP0065/Lot1B/Floc Commissioning Support DDP Transition
AtkinsAltrad · 2026-05-18
£878K
DNWP0053/LOT1A/CALDER F199 Demolition
AMENTUM CLEAN ENERGY LIMITED · 2026-05-18
£153K
Hardware ftServers and maintenance support
Boxxe Limited · 2026-05-13
£339K
Provision of Vehicle Hire Solutions (2026-2030)
Enterprise Rent-A-Car UK Ltd · 2026-04-23
£8.4M
DNWP0058/LOT1A/CALDER WELFARE FACILITIES
AMENTUM CLEAN ENERGY LIMITED · 2026-04-14
£484K
DNWP0011/LOT1A/ CALDER R1 Discharge Bay Service Disconnections
AMENTUM CLEAN ENERGY LIMITED · 2026-04-14
£126K
DNWP0010/LOT4/Waste OU - FGMSP Skips Trial
A2R · 2026-04-09
£231K
DNWP0054/LOT1B/ WAGR Grand Challenge
AtkinsAltrad · 2026-04-08
£483K
RITM0160754 (3) - HP Z8 Fury G5 Device (Custom Built)
CCS Media Limited · 2026-04-08
£34K
Software licensing and maintenance renewals: various products - 2026 April renewal
CDW Ltd · 2026-04-08
£251K
DNWP0062/LOT1A/ID - Hazard Reduction
AMENTUM CLEAN ENERGY LIMITED · 2026-04-01
£1.9M
DNWP0069/LOT1B/Calder Hall Decommissioning Delivery
AtkinsAltrad · 2026-03-31
£400K
DNWP0020/LOT4/RCT Characterisation Strategy Implementation Support
A2R · 2026-03-30
£147K
DNWP0009/LOT4/RCT Support Knowledge and Data Management
A2R · 2026-03-30
£208K
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Tenders currently inviting bids. SMEs can respond via the official tender portal.
PICTS C1 - Service Desk and End User Support
£52.0M
PVC Containment Items
£5.0M
Manufactured Products Agile Spares (MPAS)
Very Low Active (VLA) Analysis Services - PIN No2 - Market Engagement Event
£96.0M
PIN (2) Market Engagement Event 9th January 2025 - VLA Analysis
£103.0M
PIN (1) Market Engagement Event November 2024 - VLA Analysis
£100.0M
Very Low Active (VLA) Analysis Services - PIN No1 - Market Engagement Event
£96.0M
Project and Asset Care Execution (PACE) (PIN 4A)
£2.4bn
PACE PIN 4A Matchmaking Opportunity
£2.4bn
PACE PIN 5 Market Engagement Information
£2.3bn
Manufactured Products Partnership (MPP)
Manufactured Products
£2.0bn
Waste Packaging & Encapsulation Plant Distributed Control System
Waste Packaging & Encapsulation Plant Distributed Control System
£7.6M
Manufactured Products Agile Spares (MPAS)
Manufactured Products Agile Spares (MPAS)
Email management solution
PIN 2 SGB Premarket Engagement: Email management solution
£999K
Email management solution
£999K
Project and Asset Care Execution (PACE) (PIN 3)
Pipeline
Contracts expiring in the next 12 months
When these contracts end, Sellafield Ltd typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
DNWP0036/LOT1B/ ID - In Sep
Expires: 2026-07-31
£2.8M
DNWP0007/LOT4/Waste OU - Decommissioning Waste Services Partnership Operations
Expires: 2026-07-31
£555K
DNWP0006/LOT4/Waste OU - Site Waste Processing Facility Operations & Services
Expires: 2026-07-31
£4.5M
Condition Based Monitoring (CBM)
Expires: 2026-07-31
£170K
DNWP0008/LOT4/Waste OU - Technical Services Delivery
Expires: 2026-07-31
£500K
DNWP0001/LOT4/Waste OU - Management Core Team FY 25/26
Expires: 2026-07-31
£248K
DNWP0005/LOT4/Waste OU - Low Level Waste Technical Services
Expires: 2026-07-31
£100K
LINC 121 - Entry Level Talent Assessment Services
Expires: 2026-08-15
£180K
WebLogic - licenses and support 2025
Expires: 2026-08-27
£215K
DNWP0011/LOT1A/ CALDER R1 Discharge Bay Service Disconnections
Expires: 2026-08-28
£126K
DNWP0014/LOT1B/ PILE 1 Early Fuel Retrievals -Site Pre Works
Expires: 2026-09-04
£550K
DNWP006.097/LOT2/TIS Storage Facility
Expires: 2026-09-25
£600K
DNWP0001/LOT 2/Mobilisation Core Team
Expires: 2026-09-25
£478K
DNWP003.162/LOT2/Rapid Task Delivery - Change Management
Expires: 2026-09-25
£500K
DNWP0002.142/LOT 2/Digital Support
Expires: 2026-09-25
£250K
DNWP008.154/LOT2/ROV Support
Expires: 2026-09-25
£1.8M
DNWP009.161/LOT 2/Commissioning Support
Expires: 2026-09-26
£10.0M
DNWP0012.172/LOT 2/Management Core Team
Expires: 2026-09-26
£6.0M
DNWP007.153/LOT2/Waste Management Support
Expires: 2026-09-26
£1.4M
Provision of Services for the SEMS (Sellafield Enterprise Management System) '24
Expires: 2026-09-30
£16.8M
DNWP0059/LOT1A/Principal Designer Services
Expires: 2026-09-30
£500K
Provision of Services for the SEMS (Sellafield Enterprise Management System) '24
Expires: 2026-09-30
£16.8M
Exabeam/LogRhythm Services
Expires: 2026-09-30
£122K
External SSL/TLS Website Certificate Procurement
Expires: 2026-09-30
£30K
DNWP0065/Lot1B/Floc Commissioning Support DDP Transition
Expires: 2026-10-30
£878K
DNWP0053/LOT1A/CALDER F199 Demolition
Expires: 2026-10-30
£153K
DNWP0009/LOT4/RCT Support Knowledge and Data Management
Expires: 2026-10-31
£208K
AI ERP Cloud Products for Enterprise - Infor - licence and maintenance
Expires: 2026-10-31
£337K
DNWP0005/LOT1B/ RAHF OP10 U3 Cell Line Main Site Works
Expires: 2026-11-06
£1.3M
DDP00770 - Pile 1 Early Fuel Retrieval Lead & Learn
Expires: 2026-11-10
£4.0M
LINC 133 - Soft Skills
Expires: 2026-11-13
£180K
DNWP0070/LOT1B/ SEMAS Optioneering Study
Expires: 2026-11-30
£338K
Veritas Software - Network Backup software and support - 2025 Onwards
Expires: 2026-12-12
£260K
Redhat Linux 6 and 7 Extended Support
Expires: 2026-12-31
£39K
PDRA Thermal Treatment
Expires: 2026-12-31
£356K
PDRA Thermal Treatment
Expires: 2026-12-31
£356K
Sellafield PLC- DAMS Offline Feasibility Rig
Expires: 2027-01-12
£185K
DNWP0007/LOT1B/ PILE 1 Early Fuel Removals - Lead & Learn P2
Expires: 2027-01-22
£2.4M
DNWP013.165/LOT2/PFSP Pond Preparation
Expires: 2027-03-31
£1.3M
LINC 122 - Professional Photographic Services
Expires: 2027-03-31
£180K
LINC 120 - Videography Services
Expires: 2027-03-31
£180K
DNWP0062/LOT1A/ID - Hazard Reduction
Expires: 2027-03-31
£1.9M
Interim Managed Service Provision of Contingent Labour
Expires: 2027-03-31
£1.0M
Project Management Services for Centre of Excellence
Expires: 2027-03-31
£15.0M
Video Conference Hardware
Expires: 2027-03-31
£487K
Assessment Testing
Expires: 2027-03-31
£33K
DNWP0027/LOT4/Waste OU - FGMSP Skips Trial - Active
Expires: 2027-03-31
£3.2M
DNWP0010/LOT4/Waste OU - FGMSP Skips Trial
Expires: 2027-03-31
£231K
DNWP0020/LOT4/RCT Characterisation Strategy Implementation Support
Expires: 2027-03-31
£147K
DNWP0023/LOT1B/ PILE 1 Care & Maintenance FY26/27
Expires: 2027-03-31
£2.4M
Market analysis
Bidding into Sellafield Ltd — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
91%
Top-5 supplier share
64d
Avg response window
68d
Median response window
19mo
Avg contract duration
Frequently asked
Common questions about selling to Sellafield Ltd
How much does Sellafield Ltd spend on procurement?
Sellafield Ltd awarded 198 contracts totalling £3.8bn between 2023-07-31 and 2026-07-31, working with 91 unique suppliers. Average contract value is £19.6M.
Who are Sellafield Ltd's top suppliers?
The largest suppliers to Sellafield Ltd by total award value are Morgan Sindall Construction & Infrastructure Ltd, Cavendish Nuclear Limited, CW Fletcher. The top five suppliers together hold 91% of contract value.
What does Sellafield Ltd buy from suppliers?
Sellafield Ltd's procurement is concentrated in building construction work, analysis services, tanks, reservoirs, containers and pressure vessels, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Sellafield Ltd contracts?
Sellafield Ltd 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 Sellafield Ltd tenders?
Sellafield Ltd typically gives suppliers a median of 68 days to respond (average 64 days). Standard contract duration is around 19 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 Sellafield Ltd'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.