Brief your market

Who could bid the next time City of London Corporation tenders for business services — from published contract awards, not directories. A tender that reaches more proven suppliers gets more bids; more bids is the evidence of value for money.

Engineering & Architecture (236)Business Services (232)Construction (133)Software & IT Systems (94)IT Services (89)Health & Social Care (49)Financial & Insurance Services (47)Repair & Maintenance (36)

Ring 1

Proven with you

Suppliers already holding a published City of London Corporation award in this category.

ISS Mediclean Limited7 awards · latest May 2023
Integrated Facilities Management (IFM) - Lot 5 Schools
Atalian Servest Integrated Solutions Limited7 awards · latest May 2023
Integrated Facilities Management (IFM) - Lot 3 Arts Venues
Skanska Construction UK Limited6 awards
Integrated Facilities Management (IFM) Framework
CBRE Managed Services Limited4 awards
Integrated Facilities Management (IFM) Framework
Virtually Priceless Ltd3 awards · latest Dec 2023
Professional Executive Virtual Support Service in relation to Innovation and Growth
CBRE Managed Services Ltd3 awards · latest May 2023
Integrated Facilities Management (IFM) - Lot 2
Wates Property Services Limited3 awards
Integrated Facilities Management (IFM) Framework
Mace Operate Limited3 awards
Integrated Facilities Management (IFM) Framework
Roxa Consultancy Ltd2 awards · latest Feb 2025
Consultancy services in relation to Contract and Commercial Management in CoLP
Etude2 awards · latest Nov 2024
Consultancy support to lead on, and support, activities to deliver carbon reduction

Showing 10 of 189.

Ring 2

Proven with buyers like you

Suppliers who have won this category with other Local Authority buyers — ranked by how many different buyers they've won with. This is the shortlist that widens your field.

Penna plc65 awards · 36 buyers · latest Jan 2026
Interim Director of People & Culture Recruitment
Kpmg Llp46 awards · 32 buyers · latest Jul 2026
Consultancy Services - Structures Fund Bid
Browne Jacobson Llp32 awards · 23 buyers · latest Jun 2026
Growth Fund Legal Advice
Bevan Brittan LLP31 awards · 23 buyers · latest Nov 2025
Housing Legal Services
Bdo Llp29 awards · 21 buyers · latest Jun 2026
Provision of Specialist ICT Audit Work
Pinsent Masons Llp26 awards · 20 buyers · latest May 2025
BT273 - Cavendish Square Legal Services Support - DA via LBLA framework
Grant Thornton UK LLP22 awards · 19 buyers · latest Jul 2026
Job Evaluation, Role Review Programme Consultancy Service
Sharpe Pritchard LLP 22 awards · 18 buyers · latest Oct 2025
PDHU Legal Advisor
Ernst & Young LLP22 awards · 18 buyers · latest Nov 2025
Provision of independent auditor services
Dwf Llp23 awards · 17 buyers · latest Jul 2026
Major Projects Legal Advice

Showing 10 of 6,219.

Ring 3

Proven in the field

Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).

deloitte LLP382 awards · 148 buyers · latest Jul 2026
ENHT - Deloitte Transformation Consultancy Support
pricewaterhouseCoopers LLP256 awards · 129 buyers · latest May 2026
Provision of Government Grants Managed Service
Hays Specialist Recruitment Limited397 awards · 86 buyers · latest Jul 2026
CSP26110 - Management Accountant
TlT LLP184 awards · 84 buyers · latest Jul 2026
ICF Legal Services Contract Award Notice
gatenbySanderson Limited120 awards · 78 buyers · latest Jul 2026
Recruitment of Trust Chair
Mazars Llp104 awards · 71 buyers · latest Jan 2025
1852 Provision of External Audit for NHS Birmingham and Solihull ICB
Burges Salmon Llp142 awards · 68 buyers · latest Jun 2026
DHSC: TD: HDRS Corporate technical specialist data services BS
PA Consulting Services Limited132 awards · 66 buyers · latest Jul 2026
Workforce Controls Support Package 2
Capsticks Solicitors LLP118 awards · 65 buyers · latest Jul 2026
GB-London: RM6240 Call Off - ad hoc legal advice and support
Addleshaw Goddard Llp117 awards · 60 buyers · latest Jul 2026
Legal Services

Showing 10 of 21,781.

The full list — for members

All 6,219 Local Authority suppliers in ring 2 (capped at 400, widest-proven first), copyable as a spreadsheet — so every proven supplier can hear about your next tender, not just the usual three.

Sources: published UK contract award notices in the rfp.quest corpus. “Proven” means a citable award — nothing here is inferred or scraped from directories. Award values are not summed because framework ceilings would inflate them.