Top suppliers
Top suppliers to RSSB
Top-five suppliers hold 94% of contract value — a concentrated market.
Procurement categories
What RSSB buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
7222000071310000792100002495000073110000Recent contracts
Latest RSSB contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
989217422 T1379- Validation and enhancement of train driver psychometric assessment, selection and recruitment for modern train operations in GB Rail
Work Psychology Limited · 2026-02-03
£237K
989217422 T1379- Validation and enhancement of train driver psychometric assessment, selection and recruitment for modern train operations in GB Rail
Work Psychology Limited · 2025-12-18
£237K
963400862 T1390 Making the case for network acceptance of simplified signalling connections for new low volume freight terminals
Railfreight Consulting Limited · 2025-09-24
£11.8M
961977798 - T1386: How to Make Effective Use of Remote Condition Monitoring for Freight Operations
Ove Arup & Partners Ltd · 2025-09-24
£200K
961977798 - T1386: How to Make Effective Use of Remote Condition Monitoring for Freight Operations
Ove Arup & Partners Ltd · 2025-08-26
£200K
WANT TO WIN WORK FROM RSSB?
Get alerted when RSSB posts a contract you can win
ENKII watches this buyer's tenders and emails you only the ones your business qualifies for — free, no card, 3-minute setup.
Open opportunities
Open RSSB tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
1053603399 T1402 Future management of PFAS for the GB rail industry
Deadline: 2026-08-25
£120K
995554193 T1405 - Expressions of Interest & Market Engagement Questionnaire for Developing appropriate safety mitigation for the movement of scrap in wagons through tunnel environments
£125K
Market Engagement Exercise - T1393 - Occupational health risks in depots relating to silica dust for sanders
£100K
995554193 T1405 - Expressions of Interest & Market Engagement Questionnaire for Developing appropriate safety mitigation for the movement of scrap in wagons through tunnel environments
£125K
Market analysis
Bidding into RSSB — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
94%
Top-5 supplier share
23d
Avg response window
26d
Median response window
23mo
Avg contract duration
Frequently asked
Common questions about selling to RSSB
How much does RSSB spend on procurement?
RSSB awarded 33 contracts totalling £43.1M between 2023-07-31 and 2026-07-31, working with 14 unique suppliers. Average contract value is £1.5M.
Who are RSSB's top suppliers?
The largest suppliers to RSSB by total award value are Altius VA Limited, Railfreight Consulting Limited, Fortius VA Limited. The top five suppliers together hold 94% of contract value.
What does RSSB buy from suppliers?
RSSB's procurement is concentrated in systems and technical consultancy services, consultative engineering and construction services, accounting and auditing services, 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.
What's the typical response window for RSSB tenders?
RSSB typically gives suppliers a median of 26 days to respond (average 23 days). Standard contract duration is around 23 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 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 2026-07-31
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.