Top suppliers
Top suppliers to Transport for London
Top-five suppliers hold 54% 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.
79340000
7934000060110000
6011000009310000
0931000050740000
5074000050330000
5033000050220000
5022000045310000
4531000044210000
4421000034430000
3443000032410000
3241000050710000
5071000071310000
7131000050110000
5011000072260000
7226000045210000
4521000079990000
7999000079510000
7951000085310000
8531000060170000
6017000079620000
79620000Recent contracts
Latest Transport for London contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
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
Traffic Signal Bus Priority 2025/26 Batch 2
AECOM Ltd · 2026-04-28
£185K
MoTiON Suite Development Modelling Support
Jacobs U.K. Limited · 2026-04-24
£230K
London Red Route Enforcement Services
MARSTON (HOLDINGS) LIMITED · 2026-04-24
£45.6M
TfL Renewable Corporate Power Purchase Agreement ('PPA Comet')
Longfield Solar Energy Farm Limited · 2026-04-22
Freight Data - Proof of Concept Demand Matrices and Dashboard
JACOBS U.K. LIMITED · 2026-04-21
£60K
Elizabeth Line 5 years Communication performance improvement strategy
SIEMENS MOBILITY LIMITED · 2026-04-21
£2.9M
Dial-a-Ride and Capital Call Taxi Consolidator - Call-Off Contract
COMCAB (London) Limited · 2026-04-20
£366K
Fire Pressure Regulated Valves Maintenance Elizabeth Line
Walter Frank & Sons Limited · 2026-04-17
£1.1M
Damper Related Supplies for 92TS, 73TS and S_Stock Fleets
ITT Holdings Czech Republic s.r.o. · 2026-04-13
£546K
SAP Cloud Services and Associated Subscriptions
SAP (UK) LIMITED · 2026-04-10
£6.7M
Office Supplies (Solutions) GLA Group and Pan TfL
BANNER GROUP LIMITED · 2026-04-10
£4.5M
Wabtec Group Materials and Services Supplies to LUL Pan Fleet Rolling Stock
WABTEC UK LIMITED · 2026-04-02
£2.9M
RFLI Critical Pump Spares Urgent Procurement
T-T PUMPS LIMITED · 2026-04-02
£67K
Repair of Heat & Vent Air Conditioning (HVAC) Units and Associated Consumables for S Stock, London Underground Rolling Stock
Mitsubishi Electric Europe B.V. · 2026-04-01
£1.8M
BIDDING AGAINST THESE SUPPLIERS?
See your match score against Transport for London
ENKII scores your business against live tenders and identifies the certifications you need to compete with the suppliers above.
Open opportunities
Open Transport for London tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
S-Stock Passenger Seat Upgrade
Deadline: 2026-06-22
£6.0M
Network & Telecommunications Procurement Project (NTPP)
Deadline: 2026-06-30
Cradle Maintenance Service
Deadline: 2026-07-11
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
DLR Thamesmead Extension - Major Project Delivery
Future Bus Systems 2 - Bus Contracts Management System solution
Track Welding and Grinding
London Cable Car Customer Enhancements - Design and build
Unlimited License Agreement
Temporary Workers for Planned Closures
Door components for Overhaul of Circle, District and Hammersmith (S7) Rolling Stock
Trams Network Modifications - Design and Build
TfL 97139 Driver Quality Monitoring 2026
Pan London Underground - Supply of Lubrication Sticks
Oyster Concessionary Scheme Check and Send Services
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.
CBRE Private Licence
Expires: 2026-06-26
£52K
PUP Feasibility Study
Expires: 2026-06-27
£451K
Supply of Point Cylinder, Chairlock WL and Spacer Tubes
Expires: 2026-07-03
£114K
Supply of Point Motors and Point Cylinders
Expires: 2026-07-03
£123K
Process Evaluation for Virtual Mentoring Academy Programme
Expires: 2026-07-16
£75K
Train planning and diagramming software licencing fees 2025-26
Expires: 2026-07-17
£44K
09TS Victoria Line - OEM ICON Aerospace - Supply of Intercar Barriers SSR
Expires: 2026-07-24
£299K
London underground Pan Fleet Repairs of Rotating Machines
Expires: 2026-07-31
£4.0M
London underground Pan Fleet Repairs of Rotating Machines
Expires: 2026-07-31
£4.0M
Third line Support by Siemens Mobility Limited for the Maintenance of the London Overground WestCAD & SSI Interlocking
Expires: 2026-07-31
£135K
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 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
Commercial Manager Services
Expires: 2026-09-04
£90K
Executive Search Services
Expires: 2026-09-14
£130K
ENG Task 412 - Trackbed Investigation Services
Expires: 2026-09-22
£472K
TfL 91633 -Linked in HR Recruitment Corporate License ( Sept 2023 - Sept 2026)
Expires: 2026-09-22
£1.0M
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
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
Elizabeth Line signalling performance improvement Work package 1
Expires: 2027-01-04
£3.5M
TfL 97114 - Commercial Manager Decarbonisation 2
Expires: 2027-01-04
£179K
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
Market analysis
Bidding into Transport for London — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
54%
Top-5 supplier share
38d
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 953 contracts totalling £15.2bn between 2023-06-17 and 2026-06-17, working with 296 unique suppliers. Average contract value is £16.4M.
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 54% of contract value.
What does Transport for London buy from suppliers?
Transport for London's procurement is concentrated in 79340000, 60110000, 09310000, 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 38 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 2026-06-17
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.