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WHY

ActiveSIREN number 849 994 686Simplified joint-stock company (SAS)Est. 201973.30 · Public relations and communication activitiesMassy, Île-de-France
Official record (Annuaire des entreprises) ↗
Age7 years
older than 55% of its sector
Same activity, France19,930live companies · 8924th oldest
In Massy4,274live companies · 8 in the same activity
At this address96live companies incl. this one

In brief

WHY is a simplified joint-stock company (SAS) registered in France on 11 March 2019. At 7 years old it is older than 55% of the 19,930 live companies whose main activity is public relations and communication activities. Its registered office is in Massy, Essonne, Île-de-France, at an address shared with 95 other live companies. 8 live companies in Massy share the same main activity.

Register details

Registered nameWHY
SIREN number849 994 686
Company typeSimplified joint-stock company (SAS)
Registered office5 Avenue Carnot, 91300 Massy
Nature of business (NACE Rev. 2.1 (French NAF 2025))73.30 Public relations and communication activities
International sector (ISIC Rev.4)M · 70 Activities of head offices; management consultancy activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated11 March 2019

Public relations and communication activities in France

Live companies whose main activity is 73.30: 19,930 in total, median age 6 years, 1,764 incorporated in the past 12 months.

All 19,930 companies
This company's decadeOther decades
05,00010,00015,00020,0001900s: 551900s1950s: 221950s1960s: 331960s1970s: 771970s1980s: 84841980s1990s: 3273271990s2000s: 2,2372,2372000s2010s: 7,0057,0052010s2020s: 10,26010,2602020s
Incorporated per year, still live
05001,0001,5002,0002011: 57820112012: 5832013: 61020132014: 5892015: 66720152016: 7242017: 87720172018: 7972019: 99720192020: 9382021: 1,31020212022: 1,4792023: 1,55720232024: 1,7452025: 1,79120252026: 1,440

Location

Registered office in Massy, Essonne, Île-de-France.

Live companies in Massy4,274
Same activity in Massy8
Live companies in Essonne123,832
New in Massy, past 12 months291

Also registered at this address

95 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
A3
AMBIANCE 360Dourdan, Île-de-France
Number 850 187 097Est. 2019
MT
MIKA TOP EVENTSAngerville, Île-de-France
Number 849 941 919Est. 2019
MA
MY ADMINViry-Châtillon, Île-de-France
Number 850 336 108Est. 2019
ZC
ZT CONSEILÉpinay-sur-Orge, Île-de-France
Number 848 185 427Est. 2019
C
COSUMAÉvry-Courcouronnes, Île-de-France
Number 847 883 055Est. 2019
MT
MOYENS TECHNIQUES DE COMMUNICATION PUBLICITAIRESavigny-sur-Orge, Île-de-France
Number 852 351 402Est. 2019

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.