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SEPI

ActiveSIREN number 444 770 580Civil companyEst. 200368.20 · Rental and operating of own or leased real estateMontesson, Île-de-France
Official record (Annuaire des entreprises) ↗
Age23 years
older than 75% of its sector
Same activity, France2,185,742live companies · 550147th oldest
In Montesson1,599live companies · 436 in the same activity
At this address9live companies incl. this one

In brief

SEPI is a civil company registered in France on 3 February 2003. At 23 years old it is older than 75% of the 2,185,742 live companies whose main activity is rental and operating of own or leased real estate. Its registered office is in Montesson, Yvelines, Île-de-France, at an address shared with 8 other live companies. 436 live companies in Montesson share the same main activity.

Register details

Registered nameSEPI
SIREN number444 770 580
Company typeCivil company
Registered office30 Rue Du Chateau D'eau, 78360 Montesson
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.

Incorporated3 February 2003

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 Montesson, Yvelines, Île-de-France.

Live companies in Montesson1,599
Same activity in Montesson436
Live companies in Yvelines151,787
New in Montesson, past 12 months82

Also registered at this address

8 other live companies share this registered office.

  • WWIVI-FINANCES483 465 654 · Est. 2005 · 64.21
  • UMU MED419 250 428 · Est. 1998 · 46.46
  • CCECHA534 634 662 · Est. 2011 · 68.20
  • ANASPECT NEUF750 889 958 · Est. 2012 · 43.34
  • SPSCI PAWAA387 817 711 · Est. 1992 · 68.20
  • ECEQUIP CITE383 446 721 · Est. 1991 · 46.64
  • SGSCI GALA849 168 174 · Est. 2019 · 68.20
  • ACALTO CIE995 328 333 · Est. 2025 · 70.20

Similar companies

Live companies with the same main activity, nearest first.

Compare all
SD
SCI DULIAMViroflay, Île-de-France
Number 445 231 251Est. 2003
SG
SCI GLViroflay, Île-de-France
Number 447 581 562Est. 2003
SC
SCI CHAMARELMareil-Marly, Île-de-France
Number 447 760 034Est. 2003
SB
SCI BRET 78Saint-Nom-la-Bretèche, Île-de-France
Number 445 046 691Est. 2003
M
MAYAViroflay, Île-de-France
Number 445 113 921Est. 2003
SD
SCI DU 9 RUE PAUL BERTLes Mureaux, Île-de-France
Number 445 195 902Est. 2003

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.