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Guyancourt: where the money goes

The public contracts of Guyancourt

Up to €11.2M: the maximum amount of the public contracts signed in 2025, over their whole term.

26 contracts in 2025 · €62.7M published from 2019 to 2026. Maximum amounts planned.

Contracts state a maximum amount for their whole term, often several years. That amount differs from what was paid.

Contracts signed by year

Click a year to see its contracts

Purchases by category, 2019–2026

Click a category to see its contracts

The 5 other categories

Main contracts of 2025

Click a contract to see its fiche

The 16 other contracts of 2025

Main suppliers, 2019–2026

Click a company to see its contracts

The 119 other suppliers

Understanding these figures

What does a contract’s amount measure?

A contract’s amount is the maximum allowed over its whole term, often several years: it is not what the town spends in the year. The lots of one contract are grouped.

Where do these figures come from?

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.

Source: Public procurement — DECP (data.gouv.fr) ↗, consolidated and checked by Colin Maudry (colibre.fr ↗)

The whole page for Guyancourt