Data from the official company registers of 12 countries. Not an official register.

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POSEIDON

ActiveSIREN number 835 154 923Property-holding civil company (SCI)Est. 201868.20 · Rental and operating of own or leased real estateBrest, Brittany
Official record (Annuaire des entreprises) ↗
Age8 years
older than 36% of its sector
Same activity, France2,185,742live companies · 1398761st oldest
In Brest12,829live companies · 3,627 in the same activity
At this address27live companies incl. this one

In brief

POSEIDON is a property-holding civil company (SCI) registered in France on 12 January 2018. It is 8 years old; 64% of the 2,185,742 live companies whose main activity is rental and operating of own or leased real estate are older. Its registered office is in Brest, Finistère, Brittany, at an address shared with 26 other live companies. 3,627 live companies in Brest share the same main activity.

Register details

Registered namePOSEIDON
SIREN number835 154 923
Company typeProperty-holding civil company (SCI)
Registered office5 Rue Jean-Marie le Bris, 29200 Brest
Nature of business (NACE Rev. 2.1 (French NAF 2025))68.20 Rental and operating of own or leased real estate
International sector (ISIC Rev.4)L · 68 Real estate activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated12 January 2018

Rental and operating of own or leased real estate in France

Live companies whose main activity is 68.20: 2,185,742 in total, median age 13 years, 86,858 incorporated in the past 12 months.

All 2,185,742 companies
This company's decadeOther decades
0200,000400,000600,000800,00020s: 120s1860s: 11860s1900s: 3,5511900s1910s: 371910s1920s: 1671920s1930s: 1611930s1940s: 6391940s1950s: 4,0371950s1960s: 6,3381960s1970s: 18,5281970s1980s: 98,0871980s1990s: 280,7041990s2000s: 518,6832000s2010s: 628,8792010s2020s: 625,9292020s
Incorporated per year, still live
050,000100,000150,000200,0002011: 56,73920112012: 51,3192013: 52,92020132014: 54,1272015: 58,50920152016: 66,7522017: 72,08620172018: 76,2482019: 88,13320192020: 85,3862021: 108,84820212022: 103,4562023: 80,86120232024: 83,0082025: 96,09120252026: 68,2292027: 502027

Location

Registered office in Brest, Finistère, Brittany.

Live companies in Brest12,829
Same activity in Brest3,627
Live companies in Finistère89,018
New in Brest, past 12 months564

Also registered at this address

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

  • CCENACLE843 550 864 · Est. 2018 · 68.20
  • RRH2O844 166 116 · Est. 2018 · 70.20
  • RR2S823 429 576 · Est. 2016 · 68.20
  • SDSCI DE LA PECHERIE850 949 595 · Est. 2019 · 68.20
  • GGASTE821 795 937 · Est. 2016 · 68.20
  • MMBWKT893 018 499 · Est. 2020 · 64.21
  • SLSCI LA PORTE ROSALIE893 659 771 · Est. 2021 · 68.20
  • TTJ2R808 524 052 · Est. 2014 · 68.20

Similar companies

Live companies with the same main activity, nearest first.

Compare all
SI
SCI IMMOTEP29Plabennec, Brittany
Number 834 674 897Est. 2018
S1
SCI 109Scaër, Brittany
Number 834 650 210Est. 2018
I
IMMOCATHSaint-Martin-des-Champs, Brittany
Number 834 714 040Est. 2018
T
TREGUENNECTréguennec, Brittany
Number 834 837 460Est. 2018
SA
SCI ABLLa Forêt-Fouesnant, Brittany
Number 835 332 602Est. 2018
LG
LES GITES DE LA MERGuilvinec, Brittany
Number 834 553 174Est. 2018

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.