Top suppliers
Top suppliers to RSSB
Top-five suppliers hold 96% of contract value — a concentrated market.
Procurement categories
What RSSB buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
7348Recent contracts
Latest RSSB contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
1049366347 T1418 Opportunities for battery-powered trains to improve the safety and efficiency of the 3rd rail DC network
Andromeda Engineering Ltd · 2026-09-16
£180K
989217422 T1379- Validation and enhancement of train driver psychometric assessment, selection and recruitment for modern train operations in GB Rail
Work Psychology Limited · 2026-01-06
£237K
963400862 T1390 Making the case for network acceptance of simplified signalling connections for new low volume freight terminals
Railfreight Consulting Limited · 2025-09-08
£11.8M
961977798 - T1386: How to Make Effective Use of Remote Condition Monitoring for Freight Operations
Ove Arup & Partners Ltd · 2025-09-07
£200K
Developing a GB strategy and roadmap for transitioning to the Future Railway Mobile Communication System
SYSTRA LIMITED · 2025-05-18
£100K
GB-London: 882072869 T1358 Emissions testing of engines using diesel and hydrotreated vegetable oils and investigating in-service emissions monitors
Ricardo Rail Ltd, · 2024-11-03
£128K
GB-London: 881369422 T1330 Investigating enhanced use of Internet of Things sensors on rolling stock
University of Birmingham Enterprise Limited · 2024-10-07
£39K
846934010 T1331 Review of AC electric rolling stock power limitations
Navitas Engineering · 2024-10-06
£230K
790032088 Pre-Audit Verification and Support (RISQS)
Fortius VA Limited · 2024-07-14
£3.6M
GB-London: 844651393 T1332 Agreeing industry guidance for mobile electronic devices
Ove Arup and Partners · 2024-05-29
£60K
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What RSSB has coming up
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Most of it is in R&D.
1
tender open now
Inviting bids today
1
contract ending in 12 months
Likely to be re-tendered: see which, and who holds them
2
planned procurements
Work this buyer has said it intends to tender
Market analysis
Bidding into RSSB — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
11%
Awards to SMEs
96%
Top-5 supplier share
0%
Framework call-offs
—
Awards to social enterprises
Around 11% of RSSB’s classified awards go to small and medium-sized enterprises.
Frequently asked
Common questions about selling to RSSB
How much does RSSB spend on procurement?
RSSB awarded 16 contracts totalling £24.4M between 2023-11-08 and 2026-11-08, working with 13 unique suppliers. Average contract value is £1.5M.
Who are RSSB's top suppliers?
The largest suppliers to RSSB by total award value are Railfreight Consulting Limited, Altius VA Limited, Fortius VA Limited. The top five suppliers together hold 96% of contract value.
What does RSSB buy from suppliers?
RSSB's procurement is concentrated in research and development services and related consultancy services, software package and information systems, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for RSSB contracts?
RSSB 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 RSSB'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.