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SEFINUCLEAR

ActiveSIREN number 103 831 400Simplified joint-stock company (SAS)Est. 202674.99 · All other professional, scientific and technical activities n.e.c.Saint-Didier-au-Mont-d'Or, Auvergne-Rhône-Alpes
Official record (Annuaire des entreprises) ↗
Ageless than a year
older than 3% of its sector
Same activity, France24,006live companies · 23261st oldest
In Saint-Didier-au-Mont-d'Or2,342live companies · 14 in the same activity
At this address64live companies incl. this one

In brief

SEFINUCLEAR is a simplified joint-stock company (SAS) registered in France on 16 March 2026. It is less than a year old; 97% of the 24,006 live companies whose main activity is all other professional, scientific and technical activities n.e.c. are older. Its registered office is in Saint-Didier-au-Mont-d'Or, Rhône, Auvergne-Rhône-Alpes, at an address shared with 63 other live companies. 14 live companies in Saint-Didier-au-Mont-d'Or share the same main activity.

Register details

Registered nameSEFINUCLEAR
SIREN number103 831 400
Company typeSimplified joint-stock company (SAS)
Registered office11 Rue de La Voie Lactee, 69370 Saint-Didier-au-Mont-d'Or
Nature of business (NACE Rev. 2.1 (French NAF 2025))74.99 All other professional, scientific and technical activities n.e.c.
International sector (ISIC Rev.4)M · 74 Other professional, scientific and technical activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated16 March 2026

All other professional, scientific and technical activities n.e.c. in France

Live companies whose main activity is 74.99: 24,006 in total, median age 7 years, 1,343 incorporated in the past 12 months.

All 24,006 companies
This company's decadeOther decades
05,00010,00015,00020,0001900s: 14141900s1940s: 111940s1950s: 991950s1960s: 14141960s1970s: 54541970s1980s: 1791791980s1990s: 5235231990s2000s: 2,6052,6052000s2010s: 9,2249,2242010s2020s: 11,38311,3832020s
Incorporated per year, still live
01,0002,0003,0004,0002011: 76320112012: 8052013: 76020132014: 8392015: 83020152016: 9522017: 1,12720172018: 1,1732019: 1,24420192020: 1,2952021: 1,55620212022: 1,8812023: 1,90520232024: 1,9002025: 1,73520252026: 1,111

Location

Registered office in Saint-Didier-au-Mont-d'Or, Rhône, Auvergne-Rhône-Alpes.

Live companies in Saint-Didier-au-Mont-d'Or2,342
Same activity in Saint-Didier-au-Mont-d'Or14
Live companies in Rhône266,787
New in Saint-Didier-au-Mont-d'Or, past 12 months99

Also registered at this address

63 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
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Number 102 639 440Est. 2026
LY
LES YEUXLyon 1er Arrondissement, Auvergne-Rhône-Alpes
Number 102 390 580Est. 2026
RS
RV SECURITE INCENDIELyon 3e Arrondissement, Auvergne-Rhône-Alpes
Number 102 362 589Est. 2026
NE
NOMAD ENGINEERINGAveize, Auvergne-Rhône-Alpes
Number 102 553 963Est. 2026
HA
HOMAX ADVISORY FRANCEVillefranche-sur-Saône, Auvergne-Rhône-Alpes
Number 102 998 432Est. 2026
TA
TIDE ACTIONLyon 3e Arrondissement, Auvergne-Rhône-Alpes
Number 102 067 345Est. 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.