Top suppliers
Top suppliers to Single Source Regulations Office
Top-five suppliers hold 84% of contract value — a concentrated market.
Procurement categories
What Single Source Regulations Office buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
72220000
7222000079210000
7921000024950000
2495000072260000
7226000048210000
4821000048610000
4861000079410000
7941000072210000
7221000073210000
7321000066170000
6617000075210000
7521000072410000
7241000079980000
7998000072320000
7232000079310000
7931000073110000
73110000Recent contracts
Latest Single Source Regulations Office contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
SSRO IT Managed Service (ITMS) and DefCARS contract
Version 1 Solutions Limited · 2026-04-28
£4.0M
Security and Information Risk Advisor (SIRA) services
HAMPDEN CONSULTANCY GROUP LTD · 2026-04-20
£92K
BIDDING AGAINST THESE SUPPLIERS?
See your match score against Single Source Regulations Office
ENKII scores your business against live tenders and identifies the certifications you need to compete with the suppliers above.
Open opportunities
Open Single Source Regulations Office tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
SSRO IT managed service (ITMS) and DefCARS contract
Security and Information Risk Advisor (SIRA) services
Website re-design, development and maintenance
Outsourced Support Services
Outsourced Support Services
Outsourced Support Services
Outsourced Support Services
Digital Board Software
SSRO Finance, Payroll & HR Outsourced Services
New SSRO Website
Pipeline
Contracts expiring in the next 12 months
When these contracts end, Single Source Regulations Office typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
Digital Board Software - Tender Exercise - Revised Documentation
Expires: 2027-03-04
£34K
IT Managed Service and a Security Operations Centre for the SSRO's technology and systems estate (the ITMS/SOC Service)
Expires: 2027-03-24
£988K
Microsoft licensing and cloud services
Expires: 2027-03-31
£418K
Website re-design, development and maintenance
Expires: 2027-03-31
£40K
Market analysis
Bidding into Single Source Regulations Office — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
84%
Top-5 supplier share
19d
Avg response window
20d
Median response window
27mo
Avg contract duration
Frequently asked
Common questions about selling to Single Source Regulations Office
How much does Single Source Regulations Office spend on procurement?
Single Source Regulations Office awarded 32 contracts totalling £11.7M between 2023-06-17 and 2026-06-17, working with 27 unique suppliers. Average contract value is £366K.
Who are Single Source Regulations Office's top suppliers?
The largest suppliers to Single Source Regulations Office by total award value are Version 1 Solutions Limited, Risual Limited, Anderson Anderson Brown LLP. The top five suppliers together hold 84% of contract value.
What does Single Source Regulations Office buy from suppliers?
Single Source Regulations Office's procurement is concentrated in 72220000, 79210000, 24950000, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Single Source Regulations Office contracts?
Single Source Regulations Office 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.
What's the typical response window for Single Source Regulations Office tenders?
Single Source Regulations Office typically gives suppliers a median of 20 days to respond (average 19 days). Standard contract duration is around 27 months.
Continue reading
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 Single Source Regulations Office'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 2026-06-17
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
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.