Tenders / Buyers / France

SEMITAN, mandataire de Nantes Métropole: public contracts and tenders

SEMITAN, mandataire de Nantes Métropole awarded 66 public contracts worth €132.7M where a value is stated since 2023-11-08; the architecture and engineering services contract held by SCE ends on 2027-07-01 (start + duration). Source: Arcadium Data, data as of .

Contract awards66
Awarded value (stated)€132.7M
Suppliers named15
Ending in 18 months22
Open calls now2
Calls for tender111
First award2023-11-08
Latest award2026-08-14

Awarded value = the award values the notices state (EUR at the notice date), 57 of 66 awards; framework agreements (a ceiling, not spend) and implausible values are left out.

Buyer

FieldValue
NameSEMITAN, mandataire de Nantes Métropole
CountryFrance
Buyer typeBody governed by public law
CityNantes
SourcesBOAMP (France), EU TED

Top suppliers

SupplierRegistry numberWebsiteAwardsValue won alone
BOUYGUES ENERGIES ET SERVICES4€7.3M
RENOFER3€6.9M
ASTEN1€309k
DONADA1€1.6M
FONDASOL1n/a
GUINTOLI1€670k
IDVERDE1€924k
LP URBAIN1€642k
MINERAL TRADING FRANCE1€1.6M
NGE ENERGIES SOLUTIONS1€1.0M
ROIRET TRANSPORT1€673k
RS COMPONENTS SAS1€341k
SOCIETE-MISSENARD QUINT B1€751k
VALLOIS1€1.1M
Voestalpine Rail Technology GmbH1n/a

Suppliers named on SEMITAN, mandataire de Nantes Métropole'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

EndsContractCurrent holderValueEnd date basis
2027-01-07MT7b - Marché de travaux de métallerie de station et petits mobiliers pour l'opération de rénovation de la li…€549kstart + duration
2027-07-01Accord-cadre de Maîtrise d'oeuvre d'aménagements bus (framework)SCEn/astart + duration
2027-10-17MT2 - Marché de travaux de voie ferrée pour l'opération de Développement de Nouvelles Lignes de Transport et…€17.5Mstart + duration
2027-11-04Accord-cadre - Etudes et travaux de reconnaissances géologique, géotechnique et environnementale sur le résea… (framework)FONDASOLn/astart + duration
2027-12-26MF4 - Fourniture de pierres naturelles pour l'opération de Développement de Nouvelles Lignes de Transport et…MINERAL TRADING FRANCE€1.6Mstart + duration
2028-01-16MT5B - Travaux de terrassements, voirie, réseaux divers et génie civil de station€8.4Mstart + duration
2028-01-16MT8 - Travaux d'espaces verts - Ligne 8 busway€894kstart + duration
2028-02-09MTB01 - Marché de travaux VRD - Clôtures - Espaces Verts pour l'opération Vertonne 1 Bis, extension de Cetex…€1.6Mstart + duration
2028-02-09MTB12 - Panneaux photovoltaïques pour l'opération Vertonne 1 Bis, extension de Cetex et remisage bus électriq…€358kstart + duration
2028-02-24MTB02 - Gros oeuvre - Fondations - Maçonnerie pour l'opération Vertonne 1 Bis, extension de Cetex et remisage…DONADA€1.6Mstart + duration
2028-02-24MTB03 - Charpente métallique pour l'opération Vertonne 1 Bis, extension de Cetex et remisage bus électriques€793kstart + duration
2028-02-28MTB10 - Chauffage - Ventilation - Conditionnement d'air - Plomberie sanitaire - Air comprimé pour l'opération…SOCIETE-MISSENARD QUINT B€751kstart + duration
2028-02-28MTB11 - Électricité HT - CFO - CFA - SSI - Contrôle d'accès - Vidéosurveillance pour l'opération Vertonne 1 B…€2.3Mstart + duration
2028-03-13MT4 - Travaux de Signalisation Lumineuse de Trafic et d'Eclairage Public - Ligne 8 BuswayNGE ENERGIES SOLUTIONS€1.0Mstart + duration
2028-03-13MT3 - Travaux de Basse Tension et Courants faibles de station - Ligne 8 BuswayROIRET TRANSPORT€673kstart + duration
2028-03-14MT4 - Marché de travaux de signalisation lumineuse de trafic et d'éclairage public pour l'opération de Dévelo…BOUYGUES ENERGIES ET SERVICES€6.2Mstart + duration
2028-03-21MT7a - Marché de travaux de métallerie de station et petits mobiliers pour l'opération de Développement de No…SERI€2.5Mstart + duration
2028-03-27MTB10 - Marché Photovoltaïque - Ligne 8 Busway€534kstart + duration
2028-03-28MT9 - Marché de travaux de signalisation ferroviaire pour l'opération de Développement de Nouvelles Lignes de…€2.6Mstart + duration
2028-03-31MT11 - Marché de travaux d'énergie traction tramways et Courant Forts pour l'opération de Développement de No…€4.2Mstart + duration
2028-04-07MT3 - Marché de travaux de Basse Tension et Courants Faibles de station pour l'opération de Développement de…€1.8Mstart + duration
2028-04-18MTB1 - Marché général de bâtiment pour l'opération de Développement de Nouvelles Lignes de Transport€1.6Mstart + duration

End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).

Award notices of SEMITAN, mandataire de Nantes Métropole 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. 22 contracts; a framework's value is a ceiling and is not shown.

Open calls for tender

Calls with a deadline of 2026-10-27 or later (not awarded yet).

Spend by sector (CPV divisions)

SectorCPVAwardsAwarded value
Construction work4519€28.3M
Architecture and engineering services714€562k
Transport equipment341n/a
Mining and construction machinery431€341k
Construction materials441€1.6M

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

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Get SEMITAN, mandataire de Nantes Métropole'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 SEMITAN, mandataire de Nantes Métropole awarded?

SEMITAN, mandataire de Nantes Métropole published 66 contract award notices between 2023-11-08 and 2026-08-14; the 57 that state a value add up to €132.7M (official notices, as of 2026-10-27).

Who are SEMITAN, mandataire de Nantes Métropole's biggest suppliers?

By contract awards: BOUYGUES ENERGIES ET SERVICES (4), RENOFER (3) and ASTEN (1) (as of 2026-10-27). Winners that could be a private person are not named.

Which SEMITAN, mandataire de Nantes Métropole contracts end soon?

22 contracts awarded by SEMITAN, mandataire de Nantes Métropole end in the next 18 months. The soonest with a named holder is the architecture and engineering services contract held by SCE, ending on 2027-07-01 (start + duration) (as of 2026-10-27).

Does SEMITAN, mandataire de Nantes Métropole have open tenders now?

Yes: 2 calls for tender from SEMITAN, mandataire de Nantes Métropole are open today (deadline 2026-10-27 or later) (as of 2026-10-27).

What does SEMITAN, mandataire de Nantes Métropole buy?

Most of SEMITAN, mandataire de Nantes Métropole's awards are in Construction work (CPV 45) (19), Architecture and engineering services (CPV 71) (4) and Transport equipment (CPV 34) (1) (as of 2026-10-27).

Cite as: Arcadium Data, "SEMITAN, mandataire de Nantes Métropole tenders and contracts: 66 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/semitan-mandataire-de-nantes-metropole-fr/, data as of 2026-10-27.