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

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TERSEN

ActiveSIREN number 317 896 652Simplified joint-stock company (SAS)Est. 198043.12 · Site preparationMagny-les-Hameaux, Île-de-France
Official record (Annuaire des entreprises) ↗
Age46 years
older than 98% of its sector
Same activity, France20,897live companies · 429th oldest
In Magny-les-Hameaux677live companies · 2 in the same activity
At this address6live companies incl. this one
Employees250–499as registered · 2024

In brief

TERSEN is a simplified joint-stock company (SAS) registered in France on 1 January 1980. At 46 years old it is older than 98% of the 20,897 live companies whose main activity is site preparation. Its registered office is in Magny-les-Hameaux, Yvelines, Île-de-France, at an address shared with 5 other live companies. 2 live companies in Magny-les-Hameaux share the same main activity.

Register details

Registered nameTERSEN
SIREN number317 896 652
Company typeSimplified joint-stock company (SAS)
Registered office2 Rue Jean Mermoz, 78114 Magny-les-Hameaux
Nature of business (NACE Rev. 2.1 (French NAF 2025))43.12 Site preparation
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 January 1980
Employees250–499 (2024)

Site preparation in France

Live companies whose main activity is 43.12: 20,897 in total, median age 11 years, 981 incorporated in the past 12 months.

All 20,897 companies
This company's decadeOther decades
02,0004,0006,0008,0001900s: 51511900s1950s: 25251950s1960s: 1201201960s1970s: 2322321970s1980s: 6436431980s1990s: 1,5181,5181990s2000s: 4,7854,7852000s2010s: 5,9995,9992010s2020s: 7,5247,5242020s
Incorporated per year, still live
05001,0001,5002,0002011: 57520112012: 5742013: 51320132014: 4932015: 50220152016: 5422017: 68220172018: 7912019: 80520192020: 9082021: 1,25120212022: 1,2082023: 1,20820232024: 1,0322025: 1,13420252026: 783

Location

Registered office in Magny-les-Hameaux, Yvelines, Île-de-France.

Live companies in Magny-les-Hameaux677
Same activity in Magny-les-Hameaux2
Live companies in Yvelines151,787
New in Magny-les-Hameaux, past 12 months39

Also registered at this address

5 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
EG
EIFFAGE GC INFRA LINEAIRESVélizy-Villacoublay, Île-de-France
Number 317 803 443Est. 1980
EF
ENTREPRISE FRANCESCHI SARLCarrières-sur-Seine, Île-de-France
Number 319 089 421Est. 1980
ER
ETABLISSEMENTS RIVERAINLes Clayes-sous-Bois, Île-de-France
Number 310 107 057Est. 1977
SA
SOCIETE AUXILIAIRE DE MATERIEL SOFRALJouy-en-Josas, Île-de-France
Number 304 177 785Est. 1983
U
UNIMATTrappes, Île-de-France
Number 331 356 253Est. 1984
AS
ASS SYNDICALE DU QUAI DE SEINEVillennes-sur-Seine, Île-de-France
Number 428 215 107Est. 1985

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.