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OCTANT ARCHITECTURE

ActiveSIREN number 316 203 140Professional simplified joint-stock company (SELAS)Est. 197971.11 · Architectural activitiesRouen, Normandy
Official record (Annuaire des entreprises) ↗
Age47 years
older than 99% of its sector
Same activity, France22,658live companies · 121st oldest
In Rouen16,083live companies · 75 in the same activity
At this address11live companies incl. this one

In brief

OCTANT ARCHITECTURE is a professional simplified joint-stock company (SELAS) registered in France on 1 January 1979. At 47 years old it is older than 99% of the 22,658 live companies whose main activity is architectural activities. Its registered office is in Rouen, Seine-Maritime, Normandy, at an address shared with 10 other live companies. 75 live companies in Rouen share the same main activity.

Register details

Registered nameOCTANT ARCHITECTURE
SIREN number316 203 140
Company typeProfessional simplified joint-stock company (SELAS)
Registered office11 Rue Dumont D'urville, 76000 Rouen
Nature of business (NACE Rev. 2.1 (French NAF 2025))71.11 Architectural activities
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 January 1979

Architectural activities in France

Live companies whose main activity is 71.11: 22,658 in total, median age 11 years, 833 incorporated in the past 12 months.

All 22,658 companies
This company's decadeOther decades
02,5005,0007,50010,0001900s: 51511900s1910s: 111910s1950s: 111950s1960s: 11111960s1970s: 1071071970s1980s: 6816811980s1990s: 1,8601,8601990s2000s: 5,0905,0902000s2010s: 7,8717,8712010s2020s: 6,9856,9852020s
Incorporated per year, still live
05001,0001,5002,0002011: 71520112012: 6312013: 66720132014: 7142015: 76620152016: 8572017: 1,01120172018: 8892019: 97520192020: 9992021: 1,01920212022: 1,0822023: 99720232024: 1,1112025: 1,08620252026: 691

Location

Registered office in Rouen, Seine-Maritime, Normandy.

Live companies in Rouen16,083
Same activity in Rouen75
Live companies in Seine-Maritime101,924
New in Rouen, past 12 months706

Also registered at this address

10 other live companies share this registered office; shown are those incorporated closest in time to this one.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
SG
SARL GROUPE 3 ARCHITECTESRouen, Normandy
Number 950 335 976Est. 1979
SB
SCPA BOSQUIER - BERRIER SOCIETE CIVILE PROFESSIONNELLE D'ARCHITECTUREQuincampoix, Normandy
Number 313 210 593Est. 1978
CA
CONSEIL ARCHITEC URBANISME ENVIRONNEMENTLe Petit-Quevilly, Normandy
Number 317 783 918Est. 1980
A
ARTEFACTRouen, Normandy
Number 323 913 632Est. 1981
SA
SCPA ALAIN DUFRESNE ET EUSTACHE PITTARASRouen, Normandy
Number 324 378 975Est. 1982
AA
ACAU ARCHITECTESRouen, Normandy
Number 344 382 312Est. 1985

Sources

Register data: Insee, Sirene database of companies and establishments (Licence Ouverte / Open Licence 2.0), delivery of 21 October 2026. Territories: Insee, Code officiel géographique 2026. Industry names: European Union, EU Vocabularies (NACE Rev. 2.1). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the company's entry in the French government business directory before relying on it.