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OPEN SI

ActiveSIREN number 753 540 418Simplified joint-stock company (SAS)Est. 201262.20 · Computer consultancy and computer facilities management activitiesParis 1er Arrondissement, Île-de-France
Official record (Annuaire des entreprises) ↗
Age14 years
older than 75% of its sector
Same activity, France66,680live companies · 16348th oldest
In Paris 1er Arrondissement33,380live companies · 855 in the same activity
At this address4,243live companies incl. this one

In brief

OPEN SI is a simplified joint-stock company (SAS) registered in France on 10 September 2012. At 14 years old it is older than 75% of the 66,680 live companies whose main activity is computer consultancy and computer facilities management activities. Its registered office is in Paris 1er Arrondissement, Paris, Île-de-France, at an address shared with 4,242 other live companies. 855 live companies in Paris 1er Arrondissement share the same main activity.

Register details

Registered nameOPEN SI
SIREN number753 540 418
Company typeSimplified joint-stock company (SAS)
Registered office229 Rue Saint-Honore, 75001 Paris
Nature of business (NACE Rev. 2.1 (French NAF 2025))62.20 Computer consultancy and computer facilities management activities
International sector (ISIC Rev.4)J · 62 Computer programming, consultancy and related activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated10 September 2012

Computer consultancy and computer facilities management activities in France

Live companies whose main activity is 62.20: 66,680 in total, median age 5 years, 6,685 incorporated in the past 12 months.

All 66,680 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 91900s1920s: 11920s1940s: 11940s1950s: 41950s1960s: 81960s1970s: 641970s1980s: 6061980s1990s: 2,6481990s2000s: 9,6382000s2010s: 17,7112010s2020s: 35,9902020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,33320112012: 1,1952013: 1,26520132014: 1,3542015: 1,59320152016: 1,8012017: 2,18220172018: 2,6692019: 3,14320192020: 3,0082021: 3,74920212022: 4,8422023: 5,64820232024: 6,1492025: 6,97720252026: 5,617

Location

Registered office in Paris 1er Arrondissement, Paris, Île-de-France.

Live companies in Paris 1er Arrondissement33,380
Same activity in Paris 1er Arrondissement855
Live companies in Paris907,999
New in Paris 1er Arrondissement, past 12 months2,300

Also registered at this address

4,242 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.

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LMIRAMBETParis 10e Arrondissement, Île-de-France
Number 753 805 555Est. 2012
GM
GAETAN MONESTIER SARLParis 1er Arrondissement, Île-de-France
Number 753 672 989Est. 2012
BT
BYCODE TECHNOLOGIESParis 15e Arrondissement, Île-de-France
Number 753 755 586Est. 2012
CC
CPDSTA CONSULTINGParis 19e Arrondissement, Île-de-France
Number 753 747 799Est. 2012
VD
VO2 DATA EXPERIENCEParis 2e Arrondissement, Île-de-France
Number 788 699 841Est. 2012
I
INFRA-ITParis 14e Arrondissement, Île-de-France
Number 753 974 542Est. 2012

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.