Free Guide: Southwark Spending & Supplier Profile
A free spending & supplier guide for London Borough of Southwark · London borough · London
Data covering 2011 to 2026
Recorded Spend
£12.4bn
Transactions
1,320,936
Suppliers
9,370
Key Takeaways
- £12.4 billion in recorded spend across over 1.3 million transactions since 2011
- 9,370 identified suppliers spread across 22 sectors, with an unconcentrated HHI of 462
- Real estate and construction together account for 41.3% of matched spending
£12.4 billion and counting: how big a buyer is Southwark?
Southwark is a major buyer by any measure. Our dataset covers £12.4 billion in recorded spend across more than 1.3 million transactions, drawn from 161 source files spanning 2011 to 2026. That is a deep, long-running spending record for a London borough of 320,000 people packed into just 11.2 square miles. The contract data tells a different story to the payment records. We've tracked 35 published contracts worth a combined £16.6 million, alongside 138 tenders with a combined value of £2.7 billion. That gap between contract and tender values is worth noting. It suggests the formal tender pipeline captures far larger commissions than the published contract register does. Southwark is also a full member of the South East Consortium (SEC), which may shape how some procurement is routed. For suppliers watching this borough, the sheer volume of transactional spend means there is a lot of recurring purchasing activity to track.
Who's getting Southwark's money, and how spread out is it?
Across the 9,370 suppliers we've identified, spending is relatively dispersed. The HHI sits at 462, which is low, and the top five suppliers account for 31.2% of matched spend. Greater London Authority Holdings leads the pack at £1.49 billion, mostly real estate related. Veolia ES Southwark follows at £318 million for waste management, and Comensura takes third at £249 million in professional services. Two construction firms, Hill Partnerships and OCO Limited, sit in the top ten as well, reflecting a combined 18.5% sector share for construction overall. Real estate activities dominate at 22.8% of spend, followed by construction (18.5%), education (9.1%) and health and social work (8.7%). Professional and technical services has the widest supplier base with 1,507 matched suppliers, but takes only 6.9% of spend. If you're in health or social care, the 1,223 suppliers already active in that space tell you it is a crowded field.
Three out of four tracked contracts went to open tender
Of the four contracts we hold procurement method data for, three were awarded through open tender and one was a direct award. All four sit above the procurement threshold. The median contract value across these is £2.4 million, so the published contracts tend to be larger commissions. The tender pipeline is where the real volume sits. With 138 tenders worth £2.7 billion on record, Southwark runs a busy formal procurement operation. That aligns with what you'd expect from an inner London borough managing housing, social care and major regeneration programmes. The three to one ratio of open tenders to direct awards, based on what we can see, points to a council that generally goes to market rather than awarding to known suppliers. But four contracts is a small sample. The tender data paints a fuller picture of how actively this council tests the market and where the larger opportunities tend to surface.
| # | Supplier | Spend |
|---|---|---|
| 1 | GREATER LONDON AUTHORITY HOLDINGS LIMITED | £1,485,379,674 |
| 2 | VEOLIA ES SOUTHWARK LIMITED | £317,646,553 |
| 3 | COMENSURA LIMITED | £249,250,861 |
| 4 | HILL PARTNERSHIPS LIMITED | £153,997,288 |
| 5 | TRANSPORT TRADING LIMITED | £128,384,069 |
| 6 | GRETTON PRIMARY SCHOOL | £119,571,264 |
| 7 | MORGAN SINDALL LIMITED | £108,461,066 |
| 8 | OCO LIMITED | £107,037,481 |
| 9 | BRS FUTURES LIMITED | £103,644,091 |
| 10 | MATRIX SCM LIMITED | £99,399,884 |
About Us
CouncilLedger brings together spending records, contract awards, and tender notices from over 400 UK local authorities into one procurement intelligence platform. Our data covers 16 years of transactions, collected directly from council transparency publications and government procurement platforms. Search suppliers, track spending trends, discover tender opportunities, and monitor the contracts that matter to your business.

