All architects in Saint-Nazaire

41 active architecture establishments in Saint-Nazaire (Loire-Atlantique, 44), according to INSEE's Sirene register (data of 26 October 2026).

Practices
41
Per 10,000 residents
5.5
Companies
20
Founded since 2025
1

Saint-Nazaire (population 74,568) has 41 architecture practices: 5.5 per 10,000 residents, against 7.2 on average in the department (Loire-Atlantique). 20 are companies and 21 are architects working as sole practitioners. The oldest company still active, Concevoir Architecture Particuliere Cap (Cap), was founded in 1994. One was founded in 2025 or later.

Planning rules in Saint-Nazaire: see the local plan (PLU) on the Géoportail de l'urbanisme ↗

41 results

FirmTownPhoneFoundedType
9005 ArchitectesSaint-Nazaire 8 B Rue d'Anjou, 446002019SARL
Agathe DrouinSaint-Nazaire 98 Boulevard Jean de Neyman, 446002020Sole trader
Akla Architectestrading as Akla Ouest ArchitectesSaint-Nazaire 36 Avenue Albert de Mun, 446002007SARL
Akli Chalal (Projet 2MO)Saint-Nazaire 42 Route de la Fontaine Tuaud, 446002013Sole trader
Aleksandra BartoszekSaint-Nazaire 18 Rue Jacques Cartier, 446002013Sole trader
Alexandre MeunierSaint-Nazaire 1er Etage 68 Boulevard de la Liberation, 446002011Sole trader
Anthony BruandSaint-Nazaire 70 Avenue de la Republique, 446002000Sole trader
Ap'ArtSaint-Nazaire 32 Rue Andre le Notre, 446002005SARL
Api CitySaint-Nazaire 18 Rue Jules Simon, 446002015SAS
Aplomb ArchitectureSaint-Nazaire 5 Rue Edme Mariotte, 446002018SARL
ArlabSaint-Nazaire 6 Place du Commando, 446002001SAS
Aurelia Josselin (Aj Plans)Saint-Nazaire 166 Boulevard du Docteur Rene Laennec, 446002023Sole trader
Blourde BIM Energie TechSaint-Nazaire 21 Allee Louis Daquin, 446002024SARL
Brard, Forny & Associes, Architectes UrbanistesSaint-Nazaire 6 Rue de la Paix et des Arts, 446002015SARL
Celine ClementSaint-Nazaire 26 Route des Frechets, 446002019SARL
Concevoir Architecture Particuliere Cap (Cap)Saint-Nazaire 21 Avenue de la Republique, 446001994SARL
Cotes & ProjetsSaint-Nazaire 38 Rue Charles de Montesquieu, 446002017SARL
Daniel LepageSaint-Nazaire 1 Rue de l'Etoile du Matin, 446001982Sole trader
Delphine Chauchat (Darras)Saint-Nazaire 7 Rue Hippolyte Durand, 446002008Sole trader
Dominique Brard (Brard Dominique Architecte 44600)Saint-Nazaire 7 Rue du Menaudoux, 446001987Sole trader
Estelle Frieh (Free Garden)Saint-Nazaire 46 Route des Carrois de Cuneix, 446002021Sole trader
Gael MarecSaint-Nazaire 31 B Rue du Dolmen, 446002014Sole trader
Gerard MoullecSaint-Nazaire 60 Avenue Ferdinand de Lesseps, 446002013Sole trader
Habitats de la CoteSaint-Nazaire 21 Avenue Albert de Mun, 446002017SARL
Julien RondotSaint-Nazaire 78 Rue Jules Guesde, 446002022Sole trader
L+R ArchitectureSaint-Nazaire 9 Rue Sophie Tatischeff, 446002009SAS
L.C.I.Saint-Nazaire 19 Allee Madeleine Massonneau, 446002008SAS
Marie Brenans (Sillage Botanique)Saint-Nazaire 16 Rue du Dolmen, 446002025Sole trader
Marjolaine BichetSaint-Nazaire 11 Rue du Port, 446002009Sole trader
MarvirisSaint-Nazaire 25 Rue de l'Etoile du Matin, 446002021SARL
Om ArchitecturesSaint-Nazaire 21 Rue Armand Barbes, 446002020SARL
Parcineau ProgrammationSaint-Nazaire 45 Route des Champs Lambert, 446002019SARL
Patrick BeaulandeSaint-Nazaire 1 Rue de l'Etoile du Matin, 446001980Sole trader
Philippe LheriteauSaint-Nazaire 13 Rue du Marche, 446001999Sole trader
Pierre GraveleauSaint-Nazaire 51 Rue du CDT Gustave Gate, 44600Sole trader
Poutier ArchitecturesSaint-Nazaire 34 Boulevard de l'Universite, 446002004SARL
Romuald BodierSaint-Nazaire 8 Rue Emile Littre, 446001997Sole trader
SARL PoutierSaint-Nazaire 34 Boulevard de l'Universite, 446001995SARL
Sebastien Dausse (Offgrid)Saint-Nazaire 18 Rue Jacques Cartier, 446002014Sole trader
Studio Folie (Studio Folie) (SF)Saint-Nazaire 57 Rue de la Paix et des Arts, 446002024SARL
Vincent CarnelleSaint-Nazaire 106 Rue de la Vecquerie, 446002012Sole trader

Architects in Saint-Nazaire: common questions

How many architects are there in Saint-Nazaire?

The Sirene register lists 41 active architecture practices in Saint-Nazaire: 20 companies and 21 architects working as sole practitioners. All of them are listed on this page, with their address and, where published, their phone number.

Is an architect compulsory to build in Saint-Nazaire?

As everywhere in France, an individual building for themselves must use an architect once the floor area exceeds 150 m², counting the total after works for an extension. A company, including an SCI, always needs one for a building permit. The local rules for Saint-Nazaire (height, position, appearance) are set out in the local plan (PLU).

How much does an architect cost in Saint-Nazaire?

Fees are free and set in the contract. For a full mission, from design to site supervision, pricing guides usually quote 8–12% of the cost of the works excluding VAT for a new house and 10–15% for a renovation or extension. A mission limited to the building permit application is usually a fixed fee of about €1,500–4,000 excluding VAT.

Where can I get free advice before choosing an architect?

In most departments, the CAUE (council for architecture, planning and the environment) sees individuals for free, by appointment, to help them prepare their project. The map of CAUEs is on fncaue.com.