Top suppliers
Top suppliers to City of London Corporation
Top-five suppliers hold 86% of contract value — a concentrated market.
Procurement categories
What City of London Corporation buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
4521000079710000555200003242000066110000722200008514000079950000713100004533000044220000794100008531000071220000727200002495000042410000601700007153000071540000Recent contracts
Latest City of London Corporation contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Barbican Fire Project - High Sensitive Fire Doors
Onyx Fire and Security · 2026-07-10
£4.2M
Guildhall - Chiller Replacement
Briggs & Forrester Special Projects Limited · 2026-01-23
£4.5M
Guildhall Chilling/Humidification Plant Replacement
Stace LLP · 2025-12-03
£98K
Legal Advisory Services in Relation to the Barbican Renewal Project
Trowers & Hamlins LLP · 2025-10-28
£78K
Dispute Resolution Consultant for Sydenham Hill Project
Somerset Consult Limited · 2025-10-17
£69K
Future Network Programme
Roc Technologies Ltd · 2025-10-09
£22.0M
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Open opportunities
Open City of London Corporation tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Multifunctional Devices (MFDs) and Managed Print Services
Pop-up Physio Pilot
Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone
London Sexual Health Transformation Programme e-Healthcare Services
London Sexual Health Transformation Programme e-Healthcare Services
Libraries Public Network
Major Habitat Restoration - Lots 3,4,5
£630K
Soft Market Testing - Guildhall School for Music and Drama Maintenance Professional Services
Soft Market Testing - Guildhall School for Music and Drama Maintenance Professional Services
Soft Market Testing - Rough Sleeper Navigators
Soft Market Testing - Rough Sleeper Navigators
Soft Market Testing - City Advice Service
Soft Market Testing - City Advice Service
Soft Market Testing - Tower Bridge Visitor Attraction Masterplan
Soft Market Testing - Tower Bridge Visitor Attraction
Soft Market Testing - Tower Bridge Visitor Attraction
Climate Action Strategy Post-2027
Hampstead Heath Learning Team Workshop Booking/CRM System
Soft Market Testing (SMT) - Hampstead Heath Learning Team Workshop Booking/CRM System
Barbican Renewal Project - Alliance Manager
Pipeline
Contracts expiring in the next 12 months
When these contracts end, City of London Corporation typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
City of London & City of London Police Occupational Health Physician
Expires: 2026-07-31
£262K
Eastern Base Project - Sustainability and Energy Consultant
Expires: 2026-07-31
£98K
MEP Technical Advisor (TA) consultancy services, RIBA Stage 2 - RIBA Stage 6
Expires: 2026-07-31
£73K
Arboricultural Services Contract
Expires: 2026-08-01
£80K
Churches Fire and Security
Expires: 2026-08-31
£86K
Consultancy Services for the Review and procurement support of Temporary Labour and Casual Labour contracts
Expires: 2026-08-31
£500K
Tower Bridge Mud Tanks - MEP Consultant
Expires: 2026-09-01
£36K
TBMT - Cost Consultant
Expires: 2026-09-01
£43K
Lead Design Consultant for the TBMT project
Expires: 2026-09-01
£85K
Enterprise Licence for Read & Write Gold and Training
Expires: 2026-09-19
£23K
Communications Consultant Eastern Base
Expires: 2026-09-30
£53K
Supply and Services of Liquid Fuels
Expires: 2026-10-01
£220K
Service Integration Partner for ERP
Expires: 2026-10-23
£4.2M
Procurement as a service
Expires: 2026-11-30
£196K
City Gardens Bedding
Expires: 2026-11-30
£81K
Veteran Tree Services - Epping Forest
Expires: 2026-12-23
£389K
Required AIMPOINT-200692 Acro C-2 3.5 MOA Integrated Interface
Expires: 2027-01-09
£41K
Planning consultant service for Guildhall Yard East Refurbishment from RIBA 2 to RIBA 4
Expires: 2027-01-29
£42K
Guildhall Yard East Refurbishment Breeam and Energy Consultant
Expires: 2027-01-31
£75K
Tractor Mounted Side-arm mowing of verges & hedges
Expires: 2027-02-28
£40K
Fire Engineering Services - Guildhall Yard East
Expires: 2027-03-30
£600K
Supply and installation of Telematics hardware and supply of SAAS to support hardware
Expires: 2027-03-30
£75K
Subscription based research services (based on a user licence fee)
Expires: 2027-03-31
£85K
Support CoLP Origin HR system.
Expires: 2027-04-14
£84K
GSMD Firewalls
Expires: 2027-04-25
£44K
MEP Consultant - The Property Store
Expires: 2027-04-30
£51K
Cybersecurity Compliance & Regulation Automation Platform
Expires: 2027-04-30
£84K
Growing Exercise for Trees and Plants in the New Greyfriars Square
Expires: 2027-04-30
£39K
Guildhall Chilling/Humidification Plant Replacement
Expires: 2027-05-31
£98K
Comms team subscription to access hosted media monitoring site
Expires: 2027-05-31
£58K
Purchase of replacement switches and supporting kit, for the Guildhall School of Music and Drama
Expires: 2027-06-14
£49K
Membership NLA organise a programme of research, insight, events, exhibitions
Expires: 2027-06-30
£60K
Daisy Telephony Services - Fixed Lines & SIP Trunks
Expires: 2027-06-30
£1.2M
Eastern Base Project Manager and Contract Administrator
Expires: 2027-06-30
£218K
City of London Park Patrol Services
Expires: 2027-06-30
£447K
Market analysis
Bidding into City of London Corporation — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
86%
Top-5 supplier share
26d
Avg response window
27d
Median response window
15mo
Avg contract duration
Frequently asked
Common questions about selling to City of London Corporation
How much does City of London Corporation spend on procurement?
City of London Corporation awarded 369 contracts totalling £825.8M between 2023-07-31 and 2026-07-31, working with 283 unique suppliers. Average contract value is £2.2M.
Who are City of London Corporation's top suppliers?
The largest suppliers to City of London Corporation by total award value are Tilbury Douglas Engineering Limited, Social Pantry Ltd, ISS Mediclean Ltd. The top five suppliers together hold 86% of contract value.
What does City of London Corporation buy from suppliers?
City of London Corporation's procurement is concentrated in building construction work, security services, catering services, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for City of London Corporation contracts?
City of London Corporation 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 City of London Corporation tenders?
City of London Corporation typically gives suppliers a median of 27 days to respond (average 26 days). Standard contract duration is around 15 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 City of London Corporation'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.