Top suppliers
Top suppliers to HS2
Top-five suppliers hold 79% of contract value — a concentrated market.
Procurement categories
What HS2 buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
4523000034630000453100004511000034940000325200007971000050330000722600007135000072220000796100007131000079410000661700007221000079990000712400007931000022450000Recent contracts
Latest HS2 contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
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Open opportunities
Open HS2 tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
NICC Group Training Simulator
Contracts for Automated People Mover (APM) System
Consultancy Services for Railway Operations and Maintenance
£50.0M
Automated People Mover (APM) Infrastructure - Early Engagement Notice
High Speed Two Limited : Under-represented groups placement programme
Pipeline
Contracts expiring in the next 12 months
When these contracts end, HS2 typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
Expert Witness - Noise Consultant
Expires: 2026-08-02
£75K
Environmental Volunteering Partner
Expires: 2026-10-18
£193K
Provision of Inbound Telephony Services
Expires: 2026-11-03
£40K
Enrolment Stations 2024
Expires: 2026-11-15
£381K
Insights Discovery Management Tool
Expires: 2026-11-15
£50K
Security Operations Centre (SOC)
Expires: 2026-11-22
£2.5M
Insights Programme
Expires: 2026-12-01
£1.0M
Land and Property Acquisitions Services Framework
Expires: 2026-12-15
£18.2M
Noise and Vibration Expert Witness Services
Expires: 2026-12-20
£148K
Expert Witness - Quantity Surveyor
Expires: 2027-02-02
£121K
Supply Chain Development Partnership with CompeteFor
Expires: 2027-03-05
£100K
HS2 OS Mapping Services
Expires: 2027-03-10
£154K
Software Asset Management as a Service (SAMaaS)
Expires: 2027-03-31
£60.0M
Commercial Assurance Services 2025
Expires: 2027-03-31
£652K
Expires: 2027-06-28
£251K
Development Consultancy Services for Curzon Street
Expires: 2027-07-23
£952K
LAN WIFI & SD-WAN Managed Services
Expires: 2027-07-31
£263K
Market analysis
Bidding into HS2 — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
79%
Top-5 supplier share
38d
Avg response window
39d
Median response window
36mo
Avg contract duration
Frequently asked
Common questions about selling to HS2
How much does HS2 spend on procurement?
HS2 awarded 93 contracts totalling £3.3bn between 2023-08-01 and 2026-08-01, working with 75 unique suppliers. Average contract value is £37.7M.
Who are HS2's top suppliers?
The largest suppliers to HS2 by total award value are Costain Limited, Siemens Mobility Limited, Colas Rail Limited. The top five suppliers together hold 79% of contract value.
What does HS2 buy from suppliers?
HS2's procurement is concentrated in construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork, parts of railway or tramway locomotives or rolling stock; railways traffic-control equipment, electrical installation work, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for HS2 contracts?
HS2 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 HS2 tenders?
HS2 typically gives suppliers a median of 39 days to respond (average 38 days). Standard contract duration is around 36 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 HS2'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 2026-08-01
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.