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KEYSTONE MANAGEMENT

ActiveSIREN number 994 111 490Simplified joint-stock company (SAS)Est. 202582.10 · Office administrative and support activitiesTrappes, Île-de-France
Official record (Annuaire des entreprises) ↗
Ageless than a year
older than 9% of its sector
Same activity, France46,202live companies · 41962nd oldest
In Trappes2,838live companies · 24 in the same activity
At this address63live companies incl. this one

In brief

KEYSTONE MANAGEMENT is a simplified joint-stock company (SAS) registered in France on 17 November 2025. It is less than a year old; 91% of the 46,202 live companies whose main activity is office administrative and support activities are older. Its registered office is in Trappes, Yvelines, Île-de-France, at an address shared with 62 other live companies. 24 live companies in Trappes share the same main activity.

Register details

Registered nameKEYSTONE MANAGEMENT
SIREN number994 111 490
Company typeSimplified joint-stock company (SAS)
Registered office2 Rue Eugene Pottier, 78190 Trappes
Nature of business (NACE Rev. 2.1 (French NAF 2025))82.10 Office administrative and support activities
International sector (ISIC Rev.4)N · 82 Office administrative, office support and other business support activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated17 November 2025

Office administrative and support activities in France

Live companies whose main activity is 82.10: 46,202 in total, median age 6 years, 4,532 incorporated in the past 12 months.

All 46,202 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 4271900s1930s: 11930s1940s: 11940s1950s: 281950s1960s: 491960s1970s: 5191970s1980s: 3,5061980s1990s: 5,3421990s2000s: 4,1652000s2010s: 8,3982010s2020s: 23,7662020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 46020112012: 5182013: 53320132014: 6212015: 64820152016: 7672017: 1,06320172018: 1,5422019: 1,79920192020: 2,0522021: 3,19420212022: 4,0962023: 3,12320232024: 3,6192025: 3,98620252026: 3,6942027: 22027

Location

Registered office in Trappes, Yvelines, Île-de-France.

Live companies in Trappes2,838
Same activity in Trappes24
Live companies in Yvelines151,787
New in Trappes, past 12 months191

Also registered at this address

62 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.

Compare all
MS
MMA SERVICESartrouville, Île-de-France
Number 999 824 402Est. 2025
A
A.A.S.Maurepas, Île-de-France
Number 999 069 354Est. 2025
R
ROXARTBougival, Île-de-France
Number 994 416 113Est. 2025
MM
MIDI MINUIT GROUPEVersailles, Île-de-France
Number 995 273 653Est. 2025
G
GARRULUSLouveciennes, Île-de-France
Number 994 614 410Est. 2025
JM
JUSTE MA CONCIERGERIEPlaisir, Île-de-France
Number 993 676 626Est. 2025

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.