Brief your market
Who could bid the next time Sellafield Limited tenders for it services — from published contract awards, not directories. A tender that reaches more proven suppliers gets more bids; more bids is the evidence of value for money.
Ring 1
Proven with you
Suppliers already holding a published Sellafield Limited award in this category.
- PWC2 awards · latest Oct 2025
SAP S4 Consultancy
- CDW Ltd2 awards · latest Jan 2025
Darktrace Licence Renewal
- Atos IT Services UK Limited2 awards
Atos WER-7148 Software Asset Management project services
- Gartner UK ltd1 award · latest Jan 2026
Procurement of Gartner services Symposium
- PA Consulting Services Limited1 award · latest Oct 2025
DAM's Support for Asset Care
- Intergraph (UK) Ltd1 award · latest Dec 2024
WA2906.01 - J5 Implementation
- Pegasystems Limited1 award · latest Aug 2024
Pega Qualified Professional Services - Lead Business Architect
- Microsoft Limited1 award · latest Dec 2022
J-2-C Phase 10 / Project 6: Application Vulnerability Detection and Remediation
- LRQA Verification Limited1 award
Independent Certification Assessment Services
Mobile Phone Asset Refresh
Showing 10 of 15.
Ring 2
Proven with buyers like you
Suppliers who have won this category with other Other buyers — ranked by how many different buyers they've won with. This is the shortlist that widens your field.
- Softcat plc 247 awards · 76 buyers · latest Jul 2026
Purchase of Druva Licenses
- insight Direct (UK) Ltd114 awards · 44 buyers · latest Jul 2026
GB-London: Physical Server Hosting
- Deloitte Llp74 awards · 38 buyers · latest Jul 2026
GB-Norwich: Digital Operating Model and Workforce Strategy (HR)
- Phoenix Software Limited53 awards · 38 buyers · latest Jul 2026
Cloud Security Products
- Capgemini Uk Plc85 awards · 31 buyers · latest Jul 2026
VAT PDF and CAS Proxy Service
- Specialist Computer Centres plc78 awards · 31 buyers · latest Jun 2026
Netbackup / Infoscale Licenses
- Phoenix Software Ltd51 awards · 31 buyers · latest Dec 2025
DDaT25355 - Security Software Consultancy Requirement
- Microsoft Limited50 awards · 30 buyers · latest Jul 2026
Provision of Microsoft Unified Enterprise Support Services
- CDW Limited42 awards · 30 buyers · latest Jun 2026
Network Review and Assistance
- Civica Uk Limited46 awards · 28 buyers · latest Feb 2026
Online Migration and Portal Enhancement Services 2025-26
Showing 10 of 5,964.
Ring 3
Proven in the field
Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).
- boxxe Limited127 awards · 67 buyers · latest Jul 2026
ENHT - ClinicalVision Renewal
- Trustmarque Solutions Limited97 awards · 62 buyers · latest Jun 2026
Microsoft Azure Licenced Solution Provider 2026
- Oracle Corporation Uk Limited116 awards · 60 buyers · latest May 2026
Oracle Professional Services
- Kpmg Llp149 awards · 58 buyers · latest Jul 2026
Business Consultancy Services
- British Telecommunications plc74 awards · 55 buyers · latest Feb 2026
Zscaler Renewal
- Bytes Software Services Limited85 awards · 54 buyers · latest Jul 2026
Microsoft Azure Cloud Services - 25/28
- IBM United kingdom limited107 awards · 52 buyers · latest Jun 2026
Instana licences 2026/27
- Pricewaterhousecoopers LLP78 awards · 52 buyers · latest Jul 2026
Implementation of Amazon Connect Platform Licence
- Kainos Software Limited106 awards · 50 buyers · latest Jul 2026
"Airlock" Output Checking System OCS Decision Engine Development Partner
- Gartner UK limited71 awards · 50 buyers · latest Jun 2026
Executive Program CIO Membership
Showing 10 of 13,187.
The full list — for members
All 5,964 Other suppliers in ring 2 (capped at 400, widest-proven first), copyable as a spreadsheet — so every proven supplier can hear about your next tender, not just the usual three.
Sources: published UK contract award notices in the rfp.quest corpus. “Proven” means a citable award — nothing here is inferred or scraped from directories. Award values are not summed because framework ceilings would inflate them.