Data from the official company registers of 12 countries. Not an official register.

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KNJ

ActiveSIREN number 109 748 673Limited liability company (SARL)Est. 202643.22 · Plumbing, heat and air-conditioning installationÉlancourt, Île-de-France
Official record (Annuaire des entreprises) ↗
Ageless than a year
older than under 1% of its sector
Same activity, France62,273live companies · 62129th oldest
In Élancourt1,695live companies · 22 in the same activity
At this address1only this company

In brief

KNJ is a limited liability company (SARL) registered in France on 3 September 2026. It is less than a year old; 99% of the 62,273 live companies whose main activity is plumbing, heat and air-conditioning installation are older. Its registered office is in Élancourt, Yvelines, Île-de-France. 22 live companies in Élancourt share the same main activity.

Register details

Registered nameKNJ
SIREN number109 748 673
Company typeLimited liability company (SARL)
Registered office36 Avenue Paul Cezanne, 78990 Élancourt
Nature of business (NACE Rev. 2.1 (French NAF 2025))43.22 Plumbing, heat and air-conditioning installation
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated3 September 2026

Plumbing, heat and air-conditioning installation in France

Live companies whose main activity is 43.22: 62,273 in total, median age 10 years, 3,395 incorporated in the past 12 months.

All 62,273 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 51511900s1940s: 111940s1950s: 99991950s1960s: 4194191960s1970s: 5245241970s1980s: 1,1731,1731980s1990s: 3,1303,1301990s2000s: 13,78613,7862000s2010s: 19,25619,2562010s2020s: 23,83423,8342020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 2,03920112012: 1,8832013: 1,63420132014: 1,6132015: 1,68720152016: 1,7992017: 2,01420172018: 2,1402019: 2,57320192020: 2,6052021: 3,40520212022: 3,6522023: 3,88720232024: 3,8712025: 3,60520252026: 2,809

Location

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

Live companies in Élancourt1,695
Same activity in Élancourt22
Live companies in Yvelines151,787
New in Élancourt, past 12 months90

Similar companies

Live companies with the same main activity, nearest first.

Compare all
YH
YDM HABITAT CONFORTPoissy, Île-de-France
Number 109 777 896Est. 2026
E
EZZINENOVATION78La Villeneuve-en-Chevrie, Île-de-France
Number 109 584 078Est. 2026
PL
PLOMBERIE LOIK BRULEDammartin-en-Serve, Île-de-France
Number 108 927 542Est. 2026
EV
ENTREPRISE VEDIEMagny-les-Hameaux, Île-de-France
Number 109 255 398Est. 2026
G
GPSBMaisons-Laffitte, Île-de-France
Number 109 429 837Est. 2026
H7
HD 78Le Vésinet, Île-de-France
Number 109 414 128Est. 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.