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Public contracts of Nantes Métropole · 2026

Travaux de rénovation du Grand Auditorium, de la Grande Halle et de la Galerie de Liaison à la Cité des Congrès de Nantes

Nettoyage de fin de chantier

€128k
maximum contract amount over 22 months — what was paid on it is not published
Signed on 18 March 2026 · running until about January 2028 · 22 months
Ongoing17 Jan 2028

That is at most ~€70k a year on average: a maximum too.

Who won it

Clersol Nantnet (Nant'Net)Nettoyage courant des bâtiments · registered office Nantes (44100) · headcount 200 to 249 employees · SIREN 432797900

The competition

3 bids received

Median for this procedure in 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 1 company

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

Number 184 by amount of the 311 contracts Nantes Métropole published for 2026.

Other contracts of Clersol Nantnet (Nant'Net) in Nantes Métropole

Marché subséquent n°7 relatif aux prestations de nettoyage des…2026 · maximum over 4 years1.3€MRénovation et aménagement du bâtiment administratif situé au 9 Avenue…2025 · maximum over 14 months39€kExécution de prestations de nettoyage des bâtiments administratifs…2025 · maximum over 4 years26€k
Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Forfaitaire

Published amendments : none

Subcontracting declared : no

Environmental considerations : Critère environnemental

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.