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

English

RATIONAL SOFTWARE

Age37 yearsincorporated 2 Jan 1989
In Montigny-le-Bretonneux3,349live companies
At this address117live companies incl. this one

In brief

RATIONAL SOFTWARE is a limited liability company (SARL) registered in France on 2 January 1989. Its registered office is in Montigny-le-Bretonneux, Yvelines, Île-de-France, at an address shared with 116 other live companies.

Register details

Registered nameRATIONAL SOFTWARE
SIREN number349 074 252
Company typeLimited liability company (SARL)
Registered office1 Place Charles de Gaulle, 78180 Montigny-le-Bretonneux

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated2 January 1989

Location

Registered office in Montigny-le-Bretonneux, Yvelines, Île-de-France.

Live companies in Montigny-le-Bretonneux3,349
Live companies in Yvelines151,787
New in Montigny-le-Bretonneux, past 12 months176

Also registered at this address

116 other live companies share this registered office; shown are those incorporated closest in time to this one.

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.