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OPEN

ActiveSIREN number 381 031 285Simplified joint-stock company (SAS)Est. 199162.20 · Computer consultancy and computer facilities management activitiesLevallois-Perret, Île-de-France
Official record (Annuaire des entreprises) ↗
Age35 years
older than 99% of its sector
Same activity, France66,680live companies · 849th oldest
In Levallois-Perret15,421live companies · 327 in the same activity
At this address9live companies incl. this one
Employees2,000–4,999as registered · 2024

In brief

OPEN is a simplified joint-stock company (SAS) registered in France on 21 January 1991. At 35 years old it is older than 99% of the 66,680 live companies whose main activity is computer consultancy and computer facilities management activities. Its registered office is in Levallois-Perret, Hauts-de-Seine, Île-de-France, at an address shared with 8 other live companies. 327 live companies in Levallois-Perret share the same main activity.

Register details

Registered nameOPEN
SIREN number381 031 285
Company typeSimplified joint-stock company (SAS)
Registered office2 Rue Chaptal, 92300 Levallois-Perret
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.

Incorporated21 January 1991
Employees2,000–4,999 (2024)

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 Levallois-Perret, Hauts-de-Seine, Île-de-France.

Live companies in Levallois-Perret15,421
Same activity in Levallois-Perret327
Live companies in Hauts-de-Seine241,725
New in Levallois-Perret, past 12 months858

Also registered at this address

8 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
M
MOTILOGIEBoulogne-Billancourt, Île-de-France
Number 380 529 974Est. 1991
EI
ELEUSIS INFORMATIQUEColombes, Île-de-France
Number 381 127 521Est. 1991
ON
OPEN NETWORKS ENGINEERINGClichy, Île-de-France
Number 381 098 391Est. 1991
SI
SAUROS INFORMATIQUE ET CONSEILVilleneuve-la-Garenne, Île-de-France
Number 380 960 427Est. 1991
KT
KEYSIGHT TECHNOLOGIES FRANCEBagneux, Île-de-France
Number 381 080 225Est. 1991
MI
METALINE ITNanterre, Île-de-France
Number 381 245 067Est. 1991

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.