SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne): public contracts and tenders
SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) awarded 17 public contracts worth €2.5M where a value is stated since 2025-05-06. Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 2 of 17 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) |
| Country | France |
| Buyer type | Body governed by public law |
| City | Bonneuil en france |
| Sources | BOAMP (France), EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| ARTELIA | 444523526 INSEE SIRENE (FR) | arteliagroup.com | 1 | €248k |
| PROLOG INGENIERIE | 1 | n/a | ||
| SEMERU | 1 | n/a |
Suppliers named on SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne)'s award notices; registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2027-01-16 | Marché public de travaux de réhabilitation des réseaux d'assainissement situés Boulevard du Général de Gaulle… | €2.3M | signed + duration |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 1 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-10-27 | Marché public de transport occasionnel par bus de personnes pour le compte du SIAH. | 2026-09-29 | n/a |
| 2026-11-20 | Marché public relatif à la gestion hydraulique et écologique des sites. | 2026-10-22 | n/a |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Waste, cleaning and environmental services | 90 | 2 | €248k |
| IT services | 72 | 1 | n/a |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-08-10 | Marché public pour la réalisation de campagnes de mesures hydrauliques temporaires sur les réseaux d'eaux usé… | SEMERU | n/a |
| 2026-08-10 | Marché public d'assistance à maîtrise d'ouvrage pour la réhabilitation des canalisations de transport des eau… | ARTELIA | €248k |
| 2026-08-10 | Marché public relatif aux opérations de traitement et de validation des points de mesures du SIAH via le prog… | PROLOG INGENIERIE | n/a |
Follow this buyer free
Get SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne)'s new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in France). The same data is in the REST API and the MCP server.
Sources: BOAMP (France), EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) awarded?
SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) published 17 contract award notices between 2025-05-06 and 2026-10-22; the 2 that state a value add up to €2.5M (official notices, as of 2026-10-27).
Who are SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne)'s biggest suppliers?
By contract awards: ARTELIA (1), PROLOG INGENIERIE (1) and SEMERU (1) (as of 2026-10-27). Winners that could be a private person are not named.
Does SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) have open tenders now?
Yes: 2 calls for tender from SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) buy?
Most of SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne)'s awards are in Waste, cleaning and environmental services (CPV 90) (2) and IT services (CPV 72) (1) (as of 2026-10-27).
Cite as: Arcadium Data, "SIAH (Syndicat Mixte d’Aménagement Hydraulique du Croult et du Petit Rosne) tenders and contracts: 17 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/siah-syndicat-mixte-d-amenagement-hydraulique-du-croult-fr/, data as of 2026-10-27.