Free Guide: Hillingdon Spending & Supplier Profile
A free spending & supplier guide for London Borough of Hillingdon · London borough · London
Data covering 2011 to 2026
Recorded Spend
£6.7bn
Transactions
562,154
Suppliers
5,221
Key Takeaways
- £6.7 billion in recorded spend across 562,154 transactions from 2011 to 2026
- 5,472 matched suppliers with an unconcentrated market, HHI of just 177
- 227 tenders worth over £1 billion published, with open competition on two thirds of recent contracts
£6.7 billion and counting: how big a buyer is Hillingdon?
Hillingdon is a serious spender. Our data covers £6.7 billion in recorded payments across 562,154 transactions, drawn from 282 source files spanning 2011 to 2026. For a London borough of 309,000 people across 44.8 square miles, that is a large and active purchasing operation. On the contracts side, we've tracked 134 published contracts worth a combined £34 million. But the tender pipeline tells a bigger story: 227 tenders with a combined value of over £1 billion. That gap between contract value and tender value suggests a council that runs large, high-value procurements. The median contract value sits at roughly £2.4 million, so this is not a council dominated by small-ticket purchasing. If you're looking at Hillingdon, you're looking at chunky opportunities. The data is sourced from Find a Tender and the council's own website, collected up to January 2026.
Where does the money actually go?
Health and social care tops the sector list, accounting for 16.4% of matched spend with 731 identified suppliers. Admin and support services follow at 15.0%, then real estate at 13.1% and construction at 11.6%. Those four sectors alone make up over 56% of the spend we've tracked. Among the 5,472 suppliers we've matched, GLA Holdings Limited leads with £237 million, largely real estate related. Transport Trading Limited sits second at £119 million. Matrix SCM and Pertemps both appear in the top ten, pointing to a heavy reliance on agency and temporary staffing. O'Hara Bros. Surfacing at £79 million and Barnhill School Services at £37 million show the construction spend is real. Concentration is low, with an HHI of 177 and the top five suppliers accounting for just 23.4% of spend. This is a widely distributed market. Hillingdon is also a member of the LHC Procurement Group, a public sector consortium focused on construction and housing.
Two thirds open tender, but watch the contract volumes
Of the 9 contracts where we have procurement method data, 6 went through open competition and 3 were direct awards. Eight of these sat above the procurement threshold. That two-thirds open rate is worth noting, though the sample is small enough that a handful of contracts could shift the picture. The tender pipeline is where the real volume sits. With 227 published tenders worth over £1 billion between them, Hillingdon is clearly putting work out to market at scale. And those tenders are not small: the overall median contract value of £2.4 million tells you the council is bundling work into sizeable packages rather than splitting it into lots of minor contracts. For suppliers tracking upcoming opportunities, the volume of tenders relative to awarded contracts suggests either long procurement cycles or a pipeline that is still working its way through to award. It is worth keeping an eye on how those tenders convert.
| # | Supplier | Spend |
|---|---|---|
| 1 | GREATER LONDON AUTHORITY HOLDINGS LIMITED | £236,687,650 |
| 2 | TRANSPORT TRADING LIMITED | £118,640,998 |
| 3 | MATRIX SCM LIMITED | £81,903,451 |
| 4 | O'HARA BROS. SURFACING LIMITED | £79,287,229 |
| 5 | AFFINITY WATER LIMITED | £56,526,515 |
| 6 | PERTEMPS LIMITED | £49,922,061 |
| 7 | CCS HOMECARE SERVICES LTD | £43,630,199 |
| 8 | COMFORT CARE SERVICES (UK) LTD | £41,140,171 |
| 9 | BARNHILL SCHOOL SERVICES LIMITED | £36,589,776 |
| 10 | HUDSON PROPERTY INVESTMENTS LIMITED | £33,253,199 |
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.
