Free Guide: Greater London Spending & Supplier Profile
A free spending & supplier guide for Greater London Authority · Strategic Regional Authority · London
Data covering 2011 to 2026
Recorded Spend
£20.1bn
Transactions
233,949
Suppliers
4,258
Key Takeaways
- £20.1 billion in recorded spend across 233,949 transactions from 2011 to 2026
- 4,258 identified suppliers keep the market unconcentrated, with an HHI of just 324
- 163 tenders worth over £3 billion are in the pipeline, but only 3 published contracts so far
£20 billion and counting: how big is this buyer?
The Greater London Authority is one of the largest single buyers you will encounter in UK public procurement. Our data covers £20.1 billion in recorded spend across 233,949 transactions, drawn from 95 source files spanning 2011 to 2026. That is a vast purchasing operation serving a population of 9 million across 607 square miles. We have matched 4,270 suppliers against Companies House records, giving us a solid read on who is receiving money. The data comes from five separate publishing sources including data.london.gov.uk and tfl.gov.uk, which reflects how the GLA group spreads its procurement activity across multiple bodies. At this scale, even a small percentage of spend translates into large sums. A sector accounting for just 1% of the total still represents roughly £200 million. Worth keeping that in mind when you are sizing up opportunities here.
Housing associations dominate, but is anyone really locked in?
Transport for Life Ltd tops the identified supplier list with £1.4 billion in recorded spend, followed by London Borough of Jam Limited at £652 million. But look further down and a pattern emerges: housing associations are everywhere. Peabody Trust, London & Quadrant, Halo Housing Association, Notting Hill Genesis, Notting Hill Housing Trust, and the Guinness Partnership all feature in the top ten. Real estate and housing-related sectors account for over 12% of matched spend. Despite these large individual recipients, the market is not concentrated. An HHI of 324 puts this firmly in unconcentrated territory, and the top five suppliers account for 31.2% of spend. Across the 4,258 identified suppliers, professional and scientific services has the highest supplier count at 767, yet only captures 3.5% of spend. Education pulls in 13.5% of recorded spend with 432 suppliers. The spread here is wide.
Where are all the contracts?
Here is where Greater London gets interesting, and a bit puzzling. We have tracked 163 tenders worth a combined £3.1 billion, but only 3 published contracts appear in our dataset. All three were direct awards with a median value of £500,000. Two sat above threshold, one below. That is a striking gap between the tender pipeline and the contract record. It likely reflects how the GLA group publishes its procurement data, with detailed payment records flowing freely but formal contract notices appearing through different channels. The 233,949 payment transactions tell you this is an active, high-volume buyer. But if you are looking for a well-documented contract register to mine for intelligence, the published contract data is thin. The tender pipeline at £3.1 billion is where the forward-looking opportunity sits. That is the number that matters if you are scanning for upcoming work.
| # | Supplier | Spend |
|---|---|---|
| 1 | TRANSPORT FOR LIFE LTD | £1,434,524,661 |
| 2 | LONDON BOROUGH OF JAM LIMITED | £651,723,187 |
| 3 | PEABODY TRUST | £594,687,634 |
| 4 | LONDON & QUADRANT HOUSING TRUST | £391,182,387 |
| 5 | HALO HOUSING ASSOCIATION LIMITED | £314,647,342 |
| 6 | RC SOUTHWARK LLP | £313,618,335 |
| 7 | NOTTING HILL GENESIS | £289,200,966 |
| 8 | NOTTING HILL HOUSING TRUST | £285,606,037 |
| 9 | THE GUINNESS PARTNERSHIP LIMITED | £243,656,708 |
| 10 | CAPITAL CITY COLLEGE GROUP | £226,265,986 |
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.
