Top suppliers
Top suppliers to Security Industry Authority
Top-five suppliers hold 88% of contract value — a concentrated market.
Procurement categories
What Security Industry Authority buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
7948723255647518226373808592Recent contracts
Latest Security Industry Authority contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Investigation and Case Management Software
Softcat Plc · 2026-09-30
£67K
Training Course: Level 3 Award in Counter-Terrorism Protective Security and Preparedness
CAPRICORN TRAINING LIMITED · 2026-09-17
£53K
PTX Bacs payments software
Bottomline Technologies Limited · 2026-08-18
£55K
SIA 957 - Compleat Software
COMPLEAT SOFTWARE LIMITED · 2026-08-16
£39K
Altia Software
Pheonix Software Ltd · 2026-05-28
£110K
SIA 926 - Criminal Barristers Chambers 2026
HARCOURT CHAMBERS' SERVICES LIMITED · 2026-04-28
£155K
SIA 941 - Design, Build & Support of Martyn's Law Regulatory Digital Service
CAPGEMINI UK PLC · 2026-04-14
£8.1M
SIA 946 - Software Licensing Contract 2026
Phoenix Software Limited · 2026-03-30
£800K
SIA 939 - Microsoft Products and Licensing Contract 2026
Phoenix Software Limited · 2026-03-20
£6.8M
Personal Protective Equipment
Arden Winch & Co · 2026-03-16
£47K
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What Security Industry Authority has coming up
Sign in free to see the detail: titles, timings, values, and what to prepare.
Most of it is in software & IT systems, IT services and business services.
15
contracts ending in 12 months
Likely to be re-tendered: see which, and who holds them
1
planned procurement
Work this buyer has said it intends to tender
2
tender packs read
What it asks bidders for: insurance, certificates, scoring
Market analysis
Bidding into Security Industry Authority — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
45%
Awards to SMEs
88%
Top-5 supplier share
71%
Framework call-offs
—
Awards to social enterprises
Around 45% of Security Industry Authority’s classified awards go to small and medium-sized enterprises. Around 71%of awards are call-offs from framework agreements — getting onto the right framework matters as much as the bid itself here.
Frequently asked
Common questions about selling to Security Industry Authority
How much does Security Industry Authority spend on procurement?
Security Industry Authority awarded 60 contracts totalling £219.2M between 2023-11-08 and 2026-11-08, working with 52 unique suppliers. Average contract value is £3.7M.
Who are Security Industry Authority's top suppliers?
The largest suppliers to Security Industry Authority by total award value are CAPGEMINI UK PLC, Phoenix Software Limited, POST OFFICE LTD. The top five suppliers together hold 88% of contract value.
What does Security Industry Authority buy from suppliers?
Security Industry Authority's procurement is concentrated in business services: law, marketing, consulting, recruitment, printing and security, software package and information systems, it services: consulting, software development, internet and support, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Security Industry Authority contracts?
Security Industry Authority 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.
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Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is Security Industry Authority's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-11-08
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
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.