Top suppliers
Top suppliers to Transport for London
Top-five suppliers hold 53% of contract value — a concentrated market.
Procurement categories
What Transport for London buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
7934000060110000093100005074000050330000722600005022000063710000453100004421000034430000324100005071000071310000501100004521000079990000795100008531000079620000Recent contracts
Latest Transport for London contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Ruislip Depot - Gauging, Platform & Structure - Temporary Tunnel Gauges & Temporary Platform
Tone Scaffolding Services Limited · 2026-07-20
£97K
Depot Fire Hydrants Design and Build - Tranche 1
DELCORE FIRE ENGINEERING LTD · 2026-07-13
£670K
Rail Safety and Standards Board (RSSB) Subscription Fees 26-27 onwards to support TfL SHE Team & Elizabeth Line
RAIL SAFETY AND STANDARDS BOARD LIMITED · 2026-07-10
£1.4M
London Trams Embedded Track Designs
AtkinsRéalis UK Limited · 2026-07-08
£390K
Affiliate agreement for Elizabeth line
RAIL SAFETY AND STANDARDS BOARD LIMITED · 2026-07-07
£2.1M
BT Megastream Enabling Works Delivery
ALAN DICK COMMUNICATIONS LIMITED · 2026-07-01
£112K
PPMCS Task 3
Mace Consult Limited · 2026-07-01
£75K
97164 TfL - S278 Highways Construction Specialist
Hay & Tay · 2026-06-29
£342K
Stations Infrastructure Enhancement - Platforms and Staircases
CLESHAR CONTRACT SERVICES LIMITED · 2026-06-26
£1.3M
Supply of Air Springs for 09TS Victoria Line
DELLNER FERRABYRNE LIMITED · 2026-06-23
£6.3M
Hatton Cross Apex Roundabout Topographical Survey
A B A SURVEYING LIMITED · 2026-06-22
£40K
Digital Tree Surveys
greeHill Deutschland GmbH · 2026-06-22
£99K
Extension of Road User Charging Business Operations Services (BOps)
Capita Business Services Ltd · 2026-06-18
£425.0M
Extension of Road User Charging Enforcement Operations Services (EOps)
Capita Business Services Ltd · 2026-06-18
£335.0M
Supply of Labour for Track Welding and Grinding
GPX ENGINEERING LTD · 2026-06-10
£12.8M
TfL 97147 - Access to MSCI Property Benchmarking Data
MSCI LIMITED · 2026-06-05
£240K
Infrastructure Improvement Framework
COSTAIN LIMITED · 2026-05-12
£700.0M
Abbeywood stabling Concept Design Contract
TONY GEE AND PARTNERS LLP · 2026-05-01
£170K
Axle Counter Power Supply Unit Design
Ramboll UK Limited · 2026-04-30
£146K
London underground Pan Fleet Repairs of Rotating Machines
ELECTROMECH RS LTD · 2026-04-29
£4.0M
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Open opportunities
Open Transport for London tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Private Medical Benefits Administrator
Deadline: 2026-08-20
£14.5M
Chancery Lane and St Pauls Water-Ingress
Deadline: 2027-01-21
Rail Safety and Standards Board (RSSB) Subscription 26-27 onwards
Pan TfL Supply of Wheels, Axles and Related components
Pan-TfL Carbon Accounting and Utilities Management Solutions: Preliminary Market Engagement
Pan-TfL Carbon Accounting and Utilities Management Solutions: Preliminary Market Engagement
Woolwich Ferry - Dry Dock 2028
LED lighting transition project to replace lighting for all passenger rolling stock fleets
Future Bus Systems 2 - Bus Contracts Management System solution
Track Welding and Grinding
Temporary Workers for Planned Closures
Trams Network Modifications - Design and Build
Oyster Concessionary Scheme Check and Send Services
Overhaul of Heat and Ventilation Sundries for Jubilee Line Fleet
Material Supply Agreement (MSA) for the Stadler Fleet - London Trams
LRS and Woolwich Ferry - Procurement of the River Piers Maintenance Contract
Legible London 5
IT Service Desk and Onsite Support
Heavy Haulage Vehicles - Depot
Engineering Vehicle Design Manufacture and Supply of Tube Gauge Tamper
Pipeline
Contracts expiring in the next 12 months
When these contracts end, Transport for London typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
Supply of Drawgears for Engineering Vehicles
Expires: 2026-08-07
£567K
Supply of Drawgears for Engineering Vehicles
Expires: 2026-08-10
£567K
Elizabeth Line, Installation of Flood Defences at North Woolwich Portal and Plumstead Portal
Expires: 2026-08-14
£520K
CS ECI Task 21 - Estimating Support Services
Expires: 2026-08-21
£600K
Passenger Demand Forecasting Council
Expires: 2026-08-25
£62K
Passenger Demand Forecasting Council
Expires: 2026-08-25
£62K
TfL Operational Rail Site Catering 2025-26
Expires: 2026-08-31
£3.2M
TfL Head Office Catering 2025-26
Expires: 2026-08-31
£1.6M
TfL Head Office Catering 2025-26
Expires: 2026-08-31
£1.6M
TfL Operational Rail Site Catering 2025-26
Expires: 2026-08-31
£3.2M
Commercial Manager Services
Expires: 2026-09-04
£90K
Executive Search Services
Expires: 2026-09-14
£130K
TfL 91633 -Linked in HR Recruitment Corporate License ( Sept 2023 - Sept 2026)
Expires: 2026-09-22
£1.0M
ENG Task 412 - Trackbed Investigation Services
Expires: 2026-09-22
£472K
Online Legal Subscription (2025-2026)
Expires: 2026-09-26
£120K
Online Legal Subscription (2025-2026)
Expires: 2026-09-26
£120K
Branding and Website for OSDC
Expires: 2026-09-28
£94K
Commercial Manager Services
Expires: 2026-09-30
£180K
Supply & Installation of Heat Exchangers
Expires: 2026-09-30
£261K
Commercial Manager Services
Expires: 2026-09-30
£128K
Provision for the Supply of 935mm2 DC Traction Power Feeder Cable
Expires: 2026-10-07
£950K
Freight Data - Proof of Concept Demand Matrices and Dashboard
Expires: 2026-10-09
£60K
Platform Train Interface (PTI) Safety Detection System
Expires: 2026-10-16
£360K
BCIS Subscription
Expires: 2026-10-19
£68K
Extension to CCTV monitoring services at Westbourne Park
Expires: 2026-10-31
£584K
Axle Counter Power Supply Unit Design
Expires: 2026-11-03
£146K
Platform Access Steps improvement Phase 3
Expires: 2026-11-16
£300K
Engineering Vehicles - Maintenance & Support Services
Expires: 2026-11-30
£768K
Engineering Vehicles - Maintenance & Support Services
Expires: 2026-11-30
£768K
Executive Search Services
Expires: 2026-12-14
£70K
PPMCS Task 3
Expires: 2026-12-18
£75K
Commercial Manager Services
Expires: 2026-12-31
£169K
Provision of a Consultancy Service on Maximising Solar Photovoltaic (PV) Across London Legacy Development Corporation (LLDC) Estates
Expires: 2026-12-31
£95K
Commercial Manager Services
Expires: 2026-12-31
£177K
TfL 97114 - Commercial Manager Decarbonisation 2
Expires: 2027-01-04
£179K
Elizabeth Line signalling performance improvement Work package 1
Expires: 2027-01-04
£3.5M
Central Line and Victoria Line - Cab Simulator Upgrades
Expires: 2027-01-11
£450K
Commercial Manager Services
Expires: 2027-01-12
£232K
Commercial Manager Services
Expires: 2027-01-30
£363K
Traffic Signal Bus Priority 2025/26 Batch 2
Expires: 2027-02-08
£185K
Mayoral Office for Police and Crime Internal Audit
Expires: 2027-02-09
£336K
CNC VMC Machining Centre Mill (Lot 1)
Expires: 2027-03-03
£483K
DISAB Tubevac Overhaul
Expires: 2027-03-04
£1.3M
DISAB TubeVac Overhaul
Expires: 2027-03-08
£1.4M
London Trams Embedded Track Designs
Expires: 2027-03-22
£390K
ICT14647 - Pluralsight Professional Plan Subscriptions
Expires: 2027-03-28
£257K
Supply of Labour for Track Welding and Grinding
Expires: 2027-03-29
£12.8M
SAP Cloud Services and Associated Subscriptions
Expires: 2027-03-30
£6.7M
Wabtec Group Materials and Services Supplies to LUL Pan Fleet Rolling Stock
Expires: 2027-03-31
£2.9M
Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)
Expires: 2027-03-31
£1.7M
Market analysis
Bidding into Transport for London — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
53%
Top-5 supplier share
39d
Avg response window
30d
Median response window
52mo
Avg contract duration
Frequently asked
Common questions about selling to Transport for London
How much does Transport for London spend on procurement?
Transport for London awarded 941 contracts totalling £15.9bn between 2023-08-01 and 2026-08-01, working with 291 unique suppliers. Average contract value is £17.3M.
Who are Transport for London's top suppliers?
The largest suppliers to Transport for London by total award value are Global Outdoor Media Limited, EDF Energy Customers Limited, JCDECAUX UK LTD. The top five suppliers together hold 53% of contract value.
What does Transport for London buy from suppliers?
Transport for London's procurement is concentrated in advertising and marketing services, road transport services, electricity, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Transport for London contracts?
Transport for London 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 Transport for London tenders?
Transport for London typically gives suppliers a median of 30 days to respond (average 39 days). Standard contract duration is around 52 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 Transport for London'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.