Brief your market
Who could bid the next time UK Debt Management Office 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 UK Debt Management Office award in this category.
- NTT DATA UK Limited8 awards · latest Nov 2022
Professional services for Hybrid Working, IT Security and IT Architecture
- Adsatis Limited4 awards · latest Dec 2023
Professional Services for Systems Business Continuity Options
- Softcat Plc3 awards · latest Oct 2023
IT support and maintenance services
- MDS TECHNOLOGIES LIMITED3 awards · latest Mar 2022
External Website Hosting Services
- CDW Limited3 awards · latest Jan 2022
Support and Maintenance Services
- STORM TECHNOLOGIES LIMITED2 awards · latest Sept 2024
IT support and maintenance services
- NCC GROUP SECURITY SERVICES LIMITED2 awards · latest Jun 2023
IT Security Review Services
- ULTIMA BUSINESS SOLUTIONS LTD.2 awards · latest Jan 2023
Test Automation - SME assessment
- INCIPER LIMITED1 award · latest Nov 2024
Systems and IT services - support and maintenance
- C3IA SOLUTIONS LIMITED1 award · latest Mar 2024
IT security services
Showing 10 of 31.
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 252 awards · 79 buyers · latest Jul 2026
Purchase of Druva Licenses
- Phoenix Software Limited60 awards · 45 buyers · latest Jul 2026
Cloud Security Products
- insight Direct (UK) Ltd114 awards · 44 buyers · latest Jul 2026
GB-London: Physical Server Hosting
- Deloitte Llp76 awards · 40 buyers · latest Jul 2026
GB-Norwich: Digital Operating Model and Workforce Strategy (HR)
- Microsoft Limited63 awards · 40 buyers · latest Jul 2026
Provision of Microsoft Unified Enterprise Support Services
- Specialist Computer Centres plc81 awards · 34 buyers · latest Jun 2026
Managed Security Operation Centre
- Capgemini Uk Plc86 awards · 32 buyers · latest Jul 2026
VAT PDF and CAS Proxy Service
- Phoenix Software Ltd52 awards · 32 buyers · latest Dec 2025
DDaT25355 - Security Software Consultancy Requirement
- Civica Uk Limited47 awards · 29 buyers · latest Feb 2026
Online Migration and Portal Enhancement Services 2025-26
- CDW Limited39 awards · 29 buyers · latest Jun 2026
Network Review and Assistance
Showing 10 of 6,504.
Ring 3
Proven in the field
Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).
- boxxe Limited136 awards · 75 buyers · latest Jul 2026
ENHT - ClinicalVision Renewal
- Oracle Corporation Uk Limited136 awards · 69 buyers · latest May 2026
Oracle Professional Services
- Trustmarque Solutions Limited102 awards · 67 buyers · latest Jun 2026
Microsoft Azure Licenced Solution Provider 2026
- Kpmg Llp160 awards · 65 buyers · latest Jul 2026
Business Consultancy Services
- Bytes Software Services Limited89 awards · 58 buyers · latest Jul 2026
Microsoft Azure Cloud Services - 25/28
- Pricewaterhousecoopers LLP83 awards · 56 buyers · latest Jul 2026
Implementation of Amazon Connect Platform Licence
- British Telecommunications plc76 awards · 56 buyers · latest Feb 2026
Zscaler Renewal
- IBM United kingdom limited115 awards · 54 buyers · latest Jun 2026
Instana licences 2026/27
- Gartner UK limited77 awards · 54 buyers · latest Jun 2026
Executive Program CIO Membership
- NEC Software Solutions UK Limited70 awards · 54 buyers · latest Jan 2026
GIS Mapping Software
Showing 10 of 14,537.
The full list — for members
All 6,504 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.