Free Guide: Southampton Spending & Supplier Profile

A free spending & supplier guide for Southampton City Council · Unitary authority · South East

Data covering 2014 to 2026

Recorded Spend

£1.8bn

Transactions

233,281

Suppliers

3,960

Key Takeaways

  • £1.76 billion in recorded spend across 233,281 transactions since 2019
  • 3,960 identified suppliers with an unconcentrated market, HHI of 335
  • Construction dominates at 20.9% of matched spend, followed by health and social care

How big a buyer is Southampton?

Pretty sizeable. Our data covers £1.76 billion in recorded spend across 233,281 transactions, drawn from 56 source files published between 2014 and 2026. For a unitary authority serving around 253,000 people in just 19.3 square miles, that is a dense concentration of public money flowing through a compact city. The payment-level data runs from January 2019, while contract and tender records stretch back further to 2014. We've tracked 119 published contracts worth a combined £22.9 million, alongside 162 tenders. The median contract sits at roughly £1.4 million, so this is not a council dominated by micro-purchases. If you're looking at Southampton, you're looking at a buyer that processes a high volume of transactions and maintains a broad supplier base. The spending is steady and spread across more than two decades of procurement activity in the records we hold.

Balfour Beatty towers over the supplier list, but the market is wide open

Balfour Beatty Living Places sits at the top with £167 million in matched spend, nearly three times the next supplier. Pyramid Consortium follows at £52.4 million, then Comensura at £47.4 million and Morgan Sindall at £46.8 million. But here is the thing: despite that top-heavy look, the overall market is unconcentrated. An HHI of 335 is low. The top five suppliers account for 30.9% of matched spend, and the top ten for 40.9%. Across the records we've matched, there are 3,960 identified suppliers, which is a large pool for a city council. Construction leads the sector breakdown at 20.9% of spend, with health and social work second at 15.6% across 428 suppliers. Professional services comes in at 8.4%. Southampton is also a member of the Fusion21 purchasing consortium, which opens another route into construction and property-related work. The supplier diversity here is worth noting.

Only 9 contracts on record, so what's going on with procurement?

This is where the picture gets thinner. We hold just 9 contracts with method data for Southampton: 4 went through open tender, 2 were direct awards, 1 was selective, and 2 have unknown methods. Seven of those contracts sat above the procurement threshold, with only two below. That is a small sample, so drawing firm conclusions about how Southampton typically buys would be a stretch. What we can say is that the tender pipeline is more active, with 162 notices on record. The median contract value of £1.4 million suggests the published contracts tend to be larger pieces of work rather than routine purchases. Most of the spending volume, those 233,281 transactions, flows through payment records rather than formal contract notices. For bid managers, this gap between transaction volume and published contract count is something to keep in mind when sizing up the opportunity. The tender notices may give you a better read on upcoming work.

Spend by Sector
Procurement Methods
Top 10 Suppliers by Spend

Explore Southampton’s full spending data

CouncilLedger tracks 3,960 suppliers across 22 sectors and 233,281 transactions for this council.

Free to use
Supplier ConcentrationUnconcentrated
HHI Score335
Unique Suppliers3,960
Top 5 Share30.9%
Top 10 Share40.9%
Top Suppliers Detail
#SupplierSpend
1BALFOUR BEATTY LIVING PLACES LIMITED£167,157,007
2PYRAMID CONSORTIUM LIMITED£52,364,836
3COMENSURA LIMITED£47,366,156
4MORGAN SINDALL LIMITED£46,773,694
5ANDREW SMITH LTD£31,351,328
6TAY VALLEY LIGHTING (SOUTHAMPTON) LIMITED£30,701,765
7TRAVIS PERKINS TRADING COMPANY LIMITED£21,863,008
8HAYS SPECIALIST RECRUITMENT LIMITED£21,397,579
9CHANGE, GROW, LIVE SERVICES LIMITED£20,230,566
10GO SOUTH COAST LIMITED£17,333,489

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.