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SESEC

ActiveSIREN number 353 341 019Limited liability company (SARL)Est. 198971.12 · Engineering activities and related technical consultancyMorangis, Île-de-France
Official record (Annuaire des entreprises) ↗
Age36 years
older than 96% of its sector
Same activity, France64,131live companies · 2638th oldest
In Morangis1,734live companies · 27 in the same activity
At this address32live companies incl. this one

In brief

SESEC is a limited liability company (SARL) registered in France on 15 December 1989. At 36 years old it is older than 96% of the 64,131 live companies whose main activity is engineering activities and related technical consultancy. Its registered office is in Morangis, Essonne, Île-de-France, at an address shared with 31 other live companies. 27 live companies in Morangis share the same main activity.

Register details

Registered nameSESEC
SIREN number353 341 019
Company typeLimited liability company (SARL)
Registered office1 Rue Gustave Eiffel, 91420 Morangis
Nature of business (NACE Rev. 2.1 (French NAF 2025))71.12 Engineering activities and related technical consultancy
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated15 December 1989

Engineering activities and related technical consultancy in France

Live companies whose main activity is 71.12: 64,131 in total, median age 9 years, 4,435 incorporated in the past 12 months.

All 64,131 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 1591900s1930s: 11930s1940s: 11940s1950s: 501950s1960s: 1091960s1970s: 4091970s1980s: 1,9201980s1990s: 4,9801990s2000s: 12,4362000s2010s: 19,0842010s2020s: 24,9822020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,66420112012: 1,4852013: 1,57420132014: 1,6692015: 1,83020152016: 2,0212017: 2,24920172018: 2,4062019: 2,64320192020: 2,7352021: 3,14820212022: 3,4182023: 3,84520232024: 3,9952025: 4,17420252026: 3,6652027: 22027

Location

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

Live companies in Morangis1,734
Same activity in Morangis27
Live companies in Essonne123,832
New in Morangis, past 12 months92

Also registered at this address

31 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
CC
COORDINATION CONCEPTION INGENIERIE IMMOBILIERBoutervilliers, Île-de-France
Number 352 670 517Est. 1990
DW
DESEEZ WARWICKER PARTNERS BUILDINGSERVICVillejust, Île-de-France
Number 352 465 207Est. 1989
SS
SEREC - SOCIETE D'ETUDES ET DE REALISATIONS D'EQUIPEMENTS ELECTRIQUESDraveil, Île-de-France
Number 352 193 239Est. 1989
AA
ARIANE ASSISTANCEÉtampes, Île-de-France
Number 353 390 495Est. 1990
M
MAIRCURLongjumeau, Île-de-France
Number 353 675 382Est. 1990
SS
SECTOR SOCIETE D ETUDES ET DE CONSEILS EN TECHNOLOGIE ET ORGANISATIONVillebon-sur-Yvette, Île-de-France
Number 353 762 230Est. 1990

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.