RFP QuestBeta

Brief your market

Who could bid the next time Security Industry Authority 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.

Business Services (29)Software & IT Systems (19)IT Services (14)Postal & Telecommunications (4)Research & Development (4)Radio, TV & Communications Equipment (4)Clothing & Footwear (3)Government & Public Administration (2)

Ring 1

Proven with you

Suppliers already holding a published Security Industry Authority award in this category.

Showing 10 of 11.

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 253 awards · 79 buyers · latest Jul 2026

    Purchase of Druva Licenses

  • insight Direct (UK) Ltd115 awards · 45 buyers · latest Jul 2026

    GB-London: Physical Server Hosting

  • Phoenix Software Limited59 awards · 44 buyers · latest Jul 2026

    Cloud Security Products

  • 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

  • Phoenix Software Ltd52 awards · 32 buyers · latest Dec 2025

    DDaT25355 - Security Software Consultancy Requirement

  • Capgemini Uk Plc85 awards · 31 buyers · latest Jul 2026

    VAT PDF and CAS Proxy Service

  • CDW Limited42 awards · 30 buyers · latest Jun 2026

    Network Review and Assistance

  • Civica Uk Limited47 awards · 29 buyers · latest Feb 2026

    Online Migration and Portal Enhancement Services 2025-26

Showing 10 of 6,510.

Ring 3

Proven in the field

Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).

Showing 10 of 14,543.

The full list — for members

All 6,510 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.