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OPEN SYSTEMS EXPERTS

ActiveSIREN number 398 729 178Limited liability company (SARL)Est. 199462.20 · Computer consultancy and computer facilities management activitiesÉvry-Courcouronnes, Île-de-France
Official record (Annuaire des entreprises) ↗
Age32 years
older than 98% of its sector
Same activity, France66,680live companies · 1517th oldest
In Évry-Courcouronnes7,618live companies · 142 in the same activity
At this address4live companies incl. this one

In brief

OPEN SYSTEMS EXPERTS is a limited liability company (SARL) registered in France on 17 October 1994. At 32 years old it is older than 98% of the 66,680 live companies whose main activity is computer consultancy and computer facilities management activities. Its registered office is in Évry-Courcouronnes, Essonne, Île-de-France, at an address shared with 3 other live companies. 142 live companies in Évry-Courcouronnes share the same main activity.

Register details

Registered nameOPEN SYSTEMS EXPERTS
SIREN number398 729 178
Company typeLimited liability company (SARL)
Registered office19 Rue Henri Rochefort, 91000 Évry-Courcouronnes
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.

Incorporated17 October 1994

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 Évry-Courcouronnes, Essonne, Île-de-France.

Live companies in Évry-Courcouronnes7,618
Same activity in Évry-Courcouronnes142
Live companies in Essonne123,832
New in Évry-Courcouronnes, past 12 months398

Also registered at this address

3 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
M
M.R.REALISATIONSSaint-Pierre-du-Perray, Île-de-France
Number 398 728 980Est. 1994
AI
AXIO INFORMATIQUEOrsay, Île-de-France
Number 398 818 963Est. 1994
E
EISCOMNozay, Île-de-France
Number 398 254 268Est. 1994
CE
COMPUTER ENGINEERING APPLICATION FRANCEBrunoy, Île-de-France
Number 397 990 318Est. 1994
C
COMM'EXPERTSaint-Germain-lès-Corbeil, Île-de-France
Number 399 643 287Est. 1995
IC
INFO CONSULT ORGANISATION METHODESavigny-sur-Orge, Île-de-France
Number 395 046 337Est. 1994

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.