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SL

UK GOVERNMENT PROCUREMENT

Public-sector buyer · United Kingdom

Sellafield Limited

Sellafield Limited is a UK public-sector contracting authority. This profile aggregates its public-record procurement — top suppliers, categories, recent awards, open tenders and expiring contracts.

Data period: 2023-08-01 to 2026-08-01Updated 2026-08-01

£2.7bn

Total spend

468

Contract awards

244

Unique suppliers

£6.1M

Avg contract

According to ENKII, Sellafield Limited has awarded 468 contracts worth £2.7bn to 244 suppliers between 2023-08-01 and 2026-08-01, at an average contract value of £6.1M, with the top five suppliers holding 68% of contract value.

Top suppliers

Top suppliers to Sellafield Limited

Top-five suppliers hold 68% of contract value — a concentrated market.

SupplierAwardsTotal value
Morgan Sindall Construction and Infrastructure Ltd1£1.3bn
SOFTCAT PLC4£159.7M
Equans EandS Solutions Limited1£128.0M
Equans E&S Solutions Limited1£128.0M
Graham Engineering Ltd1£104.6M
Cavendish Nuclear Limited1£91.2M
BOC Limited3£74.6M
px Limited2£71.4M
CW Fletcher1£69.7M
Stork2£68.6M
Cumbria Nuclear Solutions Ltd15£40.4M
University of Cumbria2£33.2M
Bendall's Engineering Limited1£29.9M
STANDARD FUEL OILS ltd4£28.9M
SAP (UK) Ltd1£27.6M
THOMAS GRAHAM & SONS LTD1£26.9M
Cavendish Nuclear8£23.4M
ADAPT13£20.9M
Premier People Solutions Ltd t/a Premier Partnership1£20.0M
XMA Limited4£17.5M

Procurement categories

What Sellafield Limited buys

Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.

Building construction work

45210000
9 awards£1.3bn

Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry

45250000
3 awards£256.1M

Software-related services

72260000
27 awards£195.6M

Tanks, reservoirs, containers and pressure vessels

44610000
10 awards£183.6M

Analysis services

71620000
1 award£91.2M

Industrial gases

24110000
3 awards£74.6M

Technical inspection and testing services

71630000
4 awards£68.8M

Consultative engineering and construction services

71310000
41 awards£58.3M

Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork

45230000
3 awards£48.4M

Instruments for measuring quantities

38340000
14 awards£33.9M

Road equipment

34920000
7 awards£30.2M

Petroleum and distillates

09130000
5 awards£28.9M

Repair and maintenance services of machinery

50530000
12 awards£28.6M

Pipeline, piping, pipes, casing, tubing and related items

44160000
1 award£26.9M

Social work services

85310000
1 award£20.0M

Specialist training services

80510000
8 awards£17.5M

Vocational training services

80530000
2 awards£16.7M

Building demolition and wrecking work and earthmoving work

45110000
8 awards£13.7M

System and support services

72250000
2 awards£13.0M

Data-processing machines (hardware)

30210000
4 awards£13.0M

Recent contracts

Latest Sellafield Limited contracts awarded

The most recently published award notices on Find a Tender and Contracts Finder.

installation & upgrade of warehouse racking system,

Dexion Material Handling Ltd · 2026-07-29

£274K

Analysis of Very Low Active and Environmental Samples

Cavendish Nuclear Limited · 2026-07-21

£91.2M

Clayton Locos Maintenance & Service 2026 - 2030

Clayton Locomotives Limtied · 2026-07-14

£477K

Clayton Locos Maintenance & Service 2026 - 2030

Clayton Locomotives Limtied · 2026-07-08

£477K

Dangerous Substances & Explosive Atmospheres (DSEAR) Assessment and Chemical Identification

Bureau Veritas · 2026-07-02

£670K

Microsoft Certified Engineering Support

Microsoft Limited · 2026-06-18

Microsoft Certified Engineering Support

Microsoft Limited · 2026-06-18

£528K

Maintenance and associated upgrade activities of Sellafield Ltd-owned assets for 3m3 Box Production

Stainless Metalcraft (Chatteris) · 2026-06-18

£750K

Sellafield ICT Standard Goods VAR

XMA Limited · 2026-06-02

£4.9M

Sellafield Standard ICT Goods VAR

XMA Limited · 2026-06-02

£4.2M

Createc 4510485466

Createc · 2026-05-27

£38K

Fire Service college courses

Fire Service College · 2026-05-27

£120K

G99 Works to Support EDNUP

Electricity North West (Construction & Maintenance) Limited · 2026-05-22

Mecon Magnetic Flowmeters

Icenta · 2026-05-21

£408K

supply of 3x turnstile head conversation kit replacement

Gunnebo Entrance Control Ltd · 2026-05-15

£30K

Site problems- solving : 8 week agile sprint trials

Forth Engineering (Cumbria) · 2026-05-15

£150K

supply of 3x turnstile head conversation kit replacement

Gunnebo Entrance Control Ltd · 2026-05-15

£30K

Provision of maintenance contract with onsite support for Gamma Spectrosco

Ametek (GB) Ltd · 2026-05-15

£79K

supply of 3x turnstile head conversation kit replacement

Gunnebo Entrance Control Ltd · 2026-05-15

£30K

supply of 3x turnstile head conversation kit replacement

Gunnebo Entrance Control Ltd · 2026-05-15

£30K

WANT TO WIN WORK FROM SELLAFIELD LIMITED?

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Open opportunities

Open Sellafield Limited tenders

Tenders currently inviting bids. SMEs can respond via the official tender portal.

Managed Service Provider for learning solutions

£27.0M

HEPA Filters

£6.5M

Asbestos Services

£11.4M

Preliminary Market Engagement for Miscellaneous Beta Gamma Waste Boxes

£4.5M

Pipeline notice for the manufacture of MBGWS Boxes

MSSS Boxes Procurement

£95.0M

Dose Control and Management System

£4.5M

Low Carbon Gas Provision

£100.0M

Dose Control and Management System

£4.5M

Bulk and Packaged Chemicals

£19.0M

2025 PVC Containment Items Tender

£3.9M

Manufactured Products Agile Spares (MPAS)

£29.8M

MSSS (Magnox Swarf Storage Silos) Boxes

£95.0M

Supply & Fit of Tyres and Associated Services

£400K

Completion of N2, N13 and N14 Packages

£2.0M

Completion of N2, N13 and N14 Packages

£2.0M

Completion of N2, N13 and N14 Packages

£2.0M

Completion of N2, N13 and N14 Packages

£2.0M

Completion of N2, N13 and N14 Packages

£2.0M

Completion of N2, N13 and N14 Packages

£2.0M

Pipeline

Contracts expiring in the next 12 months

When these contracts end, Sellafield Limited typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.

Pre-Digital Phone Lines

Expires: 2026-08-12

£31K

Manufactured Products Metrology Equipment

Expires: 2026-08-31

£788K

CENTRIFUGAL PUMP

Expires: 2026-08-31

£76K

Manufactured Products Metrology Equipment

Expires: 2026-08-31

£788K

NLA Media Access

Expires: 2026-09-13

£64K

NLA Media Access

Expires: 2026-09-13

£49K

Clayton Locos Maintenance & Service

Expires: 2026-09-30

£264K

Support to SNM Facility Hazard Review Recommendations Prioritisation

Expires: 2026-09-30

£25K

Actuarial expertise

Expires: 2026-10-20

£21K

Provision of Inspection and Quality Assurance Services

Expires: 2026-10-31

£34.3M

Rexel 4510481652

Expires: 2026-12-04

SAP HANA S/W maintenance renewal 2026

Expires: 2026-12-31

£355K

Professional Services support for PEGA (SEMS & GBS CRM Development Support)

Expires: 2026-12-31

£5.9M

Procurement of Gartner services Symposium

Expires: 2026-12-31

£31K

Event Management Services

Expires: 2026-12-31

£180K

SAP V4.7 Business Suite support & maintenance

Expires: 2026-12-31

£594K

Concur Expenses Solution

Expires: 2026-12-31

£491K

SAP HCM S/W support and maintenance

Expires: 2026-12-31

£345K

Darktrace Licence Renewal

Expires: 2026-12-31

£2.7M

TG 4510482255

Expires: 2027-01-08

£101K

Managed Service Provider (ESPO - 383-21 - Lot 1)

Expires: 2027-01-17

£20.0M

Managed Service Provider (ESPO - 383-21 - Lot 1)

Expires: 2027-01-17

£500K

Gamma Spec Directive X

Expires: 2027-02-02

£261K

Access UK e-Learning

Expires: 2027-03-31

£93K

Control Systems OEM -ABB Limited Equipment Service and Maintenance

Expires: 2027-03-31

£916K

Provision of Heavy Maintenance Works to Railways

Expires: 2027-03-31

£339K

Supply, deliver and install integrated adjustable pallet racking

Expires: 2027-03-31

£274K

Supply, deliver and install integrated adjustable pallet racking

Expires: 2027-03-31

£274K

Control Systems OEM -ABB Limited Equipment Service and Maintenance

Expires: 2027-03-31

£916K

HFC Boxes ( HIGH FORCE COMPACTION)

Expires: 2027-04-03

£1.8M

Oracle - On-Prem co-terming of multiple contract renewals

Expires: 2027-04-05

£812K

Oracle - On-Prem co-terming of multiple contract renewals - 2026

Expires: 2027-04-05

£812K

SLNSC and SLNSyC Committee Independent Members

Expires: 2027-04-30

£300K

Mecon Magnetic Flowmeters

Expires: 2027-05-31

£408K

Mecon Magnetic Flowmeters

Expires: 2027-05-31

£408K

G99 Works for EDNUP

Expires: 2027-05-31

SLNSC and SLNSyC Committee Independent Members

Expires: 2027-05-31

£300K

G99 Works for EDNUP

Expires: 2027-05-31

Microsoft Certified Engineering Support

Expires: 2027-06-29

Microsoft Certified Engineering Support

Expires: 2027-06-29

£528K

Market analysis

Bidding into Sellafield Limited — what to expect

Supplier concentration and timing patterns that shape SME bid strategy.

68%

Top-5 supplier share

112d

Avg response window

34d

Median response window

16mo

Avg contract duration

Frequently asked

Common questions about selling to Sellafield Limited

How much does Sellafield Limited spend on procurement?

Sellafield Limited awarded 468 contracts totalling £2.7bn between 2023-08-01 and 2026-08-01, working with 244 unique suppliers. Average contract value is £6.1M.

Who are Sellafield Limited's top suppliers?

The largest suppliers to Sellafield Limited by total award value are Morgan Sindall Construction and Infrastructure Ltd, SOFTCAT PLC, Equans EandS Solutions Limited. The top five suppliers together hold 68% of contract value.

What does Sellafield Limited buy from suppliers?

Sellafield Limited's procurement is concentrated in building construction work, construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry, software-related services, alongside specialist categories. See the full CPV breakdown below.

How can my business bid for Sellafield Limited contracts?

Sellafield Limited 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 Limited tenders?

Sellafield Limited typically gives suppliers a median of 34 days to respond (average 112 days). Standard contract duration is around 16 months.

Continue reading

Related ENKII resources

Sources & methodology

How this profile is compiled

Analysed by ENKII · Updated 2026-08-01

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
Full methodology — calculations, refresh cadence & caveats

Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.

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