Brief your market
Who could bid the next time Security Industry Authority tenders for software & it systems — 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 Security Industry Authority award in this category.
- Phoenix Software Limited5 awards · latest Apr 2026
SIA 946 - Software Licensing Contract 2026
- Pheonix Software Ltd1 award · latest Jun 2026
Altia Software
- Phoenix Software Ltd1 award · latest Apr 2026
SIA 925 - Immutable Backup and Recovery
- Allocate Software Limited1 award · latest Jan 2026
Provision of Employee Expense Management System
- Nine23 Ltd1 award · latest Jul 2025
SIA 920 - PSN Connectivity Gateway Service
- Bluelight Commercial Limited1 award · latest Mar 2025
Provision of i2 Licences and Associated Services
- GBG Investigate plc1 award · latest Aug 2024
Investigate Software
- Safer Business Network Ltd1 award · latest Aug 2024
WAVE Elearning Licences
- UK IT NETWORKS LTD1 award · latest Aug 2024
Quality Monitoring Software
- ALTIA SOLUTIONS LIMITED1 award · latest Jun 2024
ALTIA Software
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 plc353 awards · 96 buyers · latest Jul 2026
E Learning Security Awareness Training & Phishing Tool (MetaCompliance)
- Phoenix software limited127 awards · 57 buyers · latest Jul 2026
GB-London: Email Security System Licences
- Insight Direct (Uk) Ltd156 awards · 54 buyers · latest May 2026
Static Code analysis solution
- Phoenix Software Ltd79 awards · 41 buyers · latest Jul 2026
Security Software
- Bytes Software Services Limited90 awards · 36 buyers · latest Jun 2026
Microsoft Partner Contract CMA
- boxxe Limited78 awards · 36 buyers · latest May 2026
BDUK Provision of Software Modules
- Oracle Corporation Uk Limited75 awards · 32 buyers · latest May 2026
Oracle Software Licence Agreement 2026
- Specialist Computer Centres plc108 awards · 31 buyers · latest Jun 2026
Citrix License Renewal 2026
- CDW Limited73 awards · 31 buyers · latest Jun 2026
Pendragon
- Civica UK Limited37 awards · 27 buyers · latest Mar 2026
EHRC 2526-38 Case Management System
Showing 10 of 3,895.
Ring 3
Proven in the field
Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).
- Civica Uk Ltd161 awards · 124 buyers · latest Jul 2026
Xpress EMS
- Idox Software Ltd148 awards · 108 buyers · latest Jun 2026
Software for Planning, Environmental Health, Licensing Via CCSD RM6259 Framework
- NEC Software Solutions UK Limited101 awards · 69 buyers · latest Jul 2026
Mid Sussex District Council Document Management System
- Trustmarque Solutions Limited116 awards · 68 buyers · latest May 2026
SFO/Trustmarque/DF
- Insight Direct (Uk) Limited106 awards · 62 buyers · latest Jul 2026
AT1431 - Replacement Regulatory Services Software System
- softcat88 awards · 60 buyers · latest Jul 2026
Cisco maintenance and licensing
- Bytes Software Services148 awards · 58 buyers · latest May 2026
Privileged Access Management IT System
- Access Uk ltd78 awards · 55 buyers · latest Jul 2026
Youth Offending Case Management Solution
- Esri (UK) Limited71 awards · 54 buyers · latest Jun 2026
Geo Spatial Mapping
- MRI Software Limited60 awards · 53 buyers · latest Jul 2026
MRI Fixed Asset Accounting
Showing 10 of 9,528.
The full list — for members
All 3,895 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.