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Public contracts of Nantes Métropole · 2026

Diagnostic complémentaire du Siphon Duchesse Anne et du Siphon Ceineray

Vérification du phénomène d’Alcali Réaction

€69k
contract ceiling — what was paid on it is not published
Signed on 16 February 2026 · running until about August 2029 · 3.5 yrs
Ongoing17 Aug 2029

Who won it

Sixense EngineeringIngénierie, études techniques · registered office Nanterre (92000) · headcount 250 to 499 employees · SIREN 392367041

The competition

1 bid received

Median for this procedure in 2026: 3 bids, across 584 comparable contracts. Procedure with negotiation · awarded to 1 company

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 202 by amount of the 238 contracts Nantes Métropole published for 2026.

Other contracts of Sixense Engineering in Nantes Métropole

Surveillance des déplacements et suivi acoustique et vibratoire Barbin202678€kDiagnostic structurel du réservoir Nord202638€kMarché subséquent Inspections détaillées des ouvrages d’art202637€k
Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Unitaire

Published amendments : 1

Subcontracting declared : no

Environmental considerations : Clause environnementale

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.