PSIP

Official transparency data

The Royal Borough of Windsor and Maidenhead Council: spending & suppliers

The Royal Borough of Windsor and Maidenhead Council has £809,630,782 of tracked procurement spend across 66,792 published payments to 3,767 suppliers, from Apr 2023 to Jun 2026.

Amounts follow each publisher’s own basis — some publish figures including VAT, others excluding it — so totals are not directly comparable between buyers.

£810m

tracked procurement spend

67k

payment transactions

3,767

suppliers paid

1

contracts expiring (12m)

Top suppliers by tracked spend

The largest recipients of The Royal Borough of Windsor and Maidenhead Council’s published payments.

1Achieving for Children Community Interest Co£194m
2Optalis (Main Contract Only)£100m
3Department for Communities & Local Government£100m
4VolkerHighways Limited£32m
5Serco Limited£20m

See all 3,767 suppliers

3,762 more suppliers, each incumbent’s payment history and run-rate, spend trends over time, and the 1 contract expiring in the next 12 months — inside PSIP.

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Engage The Royal Borough of Windsor and Maidenhead Council before the tender

By the time a contract is advertised, the incumbent has often been in the buyer’s ear for months. Knowing what The Royal Borough of Windsor and Maidenhead Council spends, who holds their contracts and what is about to expire lets you build the relationship first — where bids are won. Inside PSIP you get the full supplier picture, incumbent payment histories and alerts the moment things move.

Frequently asked questions

How much does The Royal Borough of Windsor and Maidenhead Council spend?

The Royal Borough of Windsor and Maidenhead Council has £809,630,782 of tracked procurement spend across 66,792 published payments to 3,767 suppliers, covering Apr 2023 to Jun 2026. These figures come from The Royal Borough of Windsor and Maidenhead Council’s own transparency publications under the Open Government Licence.

Who are The Royal Borough of Windsor and Maidenhead Council’s biggest suppliers?

The largest suppliers by tracked payment value are shown above. The complete supplier list — all 3,767 of them, with each supplier’s full payment history and monthly run-rate — is available inside PSIP.

How many The Royal Borough of Windsor and Maidenhead Council contracts are expiring?

The Royal Borough of Windsor and Maidenhead Council has 1 contract with an end date in the next 12 months in our records. Which specific contracts, who holds them and what they are worth is inside PSIP — the moment a contract nears expiry is the moment to engage the buyer.

Where does this The Royal Borough of Windsor and Maidenhead Council spending data come from?

From The Royal Borough of Windsor and Maidenhead Council itself. UK public bodies are required to publish their payments to suppliers. PSIP ingests those official publications, normalises the formats and matches suppliers against the Companies House register, so every figure traces back to a source publication — nothing is estimated.

Figures aggregated from The Royal Borough of Windsor and Maidenhead Council’s official transparency publications under the Open Government Licence, supplier-matched to Companies House. Covered period Apr 2023–Jun 2026. See the full data coverage.