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AETHER

ActiveSIREN number 105 322 291Civil companyEst. 202670.10 · Activities of head officesSaint-Cyr-l'École, Île-de-France
Official record (Annuaire des entreprises) ↗
Ageless than a year
older than 9% of its sector
Same activity, France109,262live companies · 99288th oldest
In Saint-Cyr-l'École1,411live companies · 16 in the same activity
At this address3live companies incl. this one

In brief

AETHER is a civil company registered in France on 24 April 2026. It is less than a year old; 91% of the 109,262 live companies whose main activity is activities of head offices are older. Its registered office is in Saint-Cyr-l'École, Yvelines, Île-de-France, at an address shared with 2 other live companies. 16 live companies in Saint-Cyr-l'École share the same main activity.

Register details

Registered nameAETHER
SIREN number105 322 291
Company typeCivil company
Registered office37 Rue Guy Moquet, 78210 Saint-Cyr-l'École
Nature of business (NACE Rev. 2.1 (French NAF 2025))70.10 Activities of head offices
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.

Incorporated24 April 2026

Activities of head offices in France

Live companies whose main activity is 70.10: 109,262 in total, median age 3 years, 24,033 incorporated in the past 12 months.

All 109,262 companies
This company's decadeOther decades
020,00040,00060,00080,0001900s: 501900s1920s: 11920s1930s: 11930s1940s: 11940s1950s: 2121950s1960s: 1451960s1970s: 2971970s1980s: 7891980s1990s: 2,2921990s2000s: 7,5272000s2010s: 22,6182010s2020s: 75,3292020s
Incorporated per year, still live
010,00020,00030,00040,0002011: 1,69120112012: 1,6612013: 1,76720132014: 1,9862015: 2,01820152016: 2,6212017: 2,81720172018: 2,9122019: 3,72420192020: 4,5242021: 6,45220212022: 6,8712023: 8,43420232024: 10,5332025: 20,32920252026: 18,1772027: 92027

Location

Registered office in Saint-Cyr-l'École, Yvelines, Île-de-France.

Live companies in Saint-Cyr-l'École1,411
Same activity in Saint-Cyr-l'École16
Live companies in Yvelines151,787
New in Saint-Cyr-l'École, past 12 months120

Also registered at this address

2 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
CI
CG INVEST & PATRIMOINEMaurepas, Île-de-France
Number 104 133 756Est. 2026
HE
HOLDING ETCHETOConflans-Sainte-Honorine, Île-de-France
Number 104 252 267Est. 2026
AG
ADN GROUPETrappes, Île-de-France
Number 104 298 047Est. 2026
AH
ATAMA HOLDINGMaisons-Laffitte, Île-de-France
Number 104 310 768Est. 2026
M
ML2AAulnay-sur-Mauldre, Île-de-France
Number 104 377 288Est. 2026
PP
PRUVOST PATRIMOINESailly, Île-de-France
Number 104 411 202Est. 2026

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.