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

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RESO

ActiveSIREN number 531 009 694Simplified joint-stock company (SAS)Est. 201142.12 · Construction of railways and underground railwaysBuc, Île-de-France
Official record (Annuaire des entreprises) ↗
Age15 years
older than 60% of its sector
Same activity, France187live companies · 75th oldest
In Buc893live companies · 2 in the same activity
At this address7live companies incl. this one
Employees3–5as registered · 2024

In brief

RESO is a simplified joint-stock company (SAS) registered in France on 25 February 2011. At 15 years old it is older than 60% of the 187 live companies whose main activity is construction of railways and underground railways. Its registered office is in Buc, Yvelines, Île-de-France, at an address shared with 6 other live companies. 2 live companies in Buc share the same main activity.

Register details

Registered nameRESO
SIREN number531 009 694
Company typeSimplified joint-stock company (SAS)
Registered office31 Rue Fourny, 78530 Buc
Nature of business (NACE Rev. 2.1 (French NAF 2025))42.12 Construction of railways and underground railways
International sector (ISIC Rev.4)F · 42 Civil engineering

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated25 February 2011
Employees3–5 (2024)

Construction of railways and underground railways in France

Live companies whose main activity is 42.12: 187 in total, median age 12 years, 4 incorporated in the past 12 months.

All 187 companies
This company's decadeOther decades
0204060801900s: 111900s1950s: 221950s1960s: 551960s1970s: 551970s1980s: 331980s1990s: 15151990s2000s: 33332000s2010s: 67672010s2020s: 56562020s
Incorporated per year, still live
051015202011: 1120112012: 12013: 520132014: 52015: 1120152016: 22017: 820172018: 82019: 820192020: 82021: 1320212022: 102023: 520232024: 112025: 620252026: 3

Location

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

Live companies in Buc893
Same activity in Buc2
Live companies in Yvelines151,787
New in Buc, past 12 months41

Also registered at this address

6 other live companies share this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
GC
GIE C.L.E.R.E - CONSTRUCTION DE LA LIGNE EIFFAGE RAIL EXPRESSVélizy-Villacoublay, Île-de-France
Number 532 486 206Est. 2011
S
SOGELISLe Perray-en-Yvelines, Île-de-France
Number 811 692 698Est. 2015
SC
SAS CEC RAILWAYBuchelay, Île-de-France
Number 828 902 767Est. 2017
TM
TGBL MATERIELLe Perray-en-Yvelines, Île-de-France
Number 828 966 366Est. 2017
EE
ETUDES ET FONDATIONSBougival, Île-de-France
Number 479 488 256Est. 2004
FE
FER EXPERT TRAVAUXMontigny-le-Bretonneux, Île-de-France
Number 837 761 899Est. 2018

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.