ISONIS
In brief
ISONIS is a limited liability company (SARL) registered in France on 1 January 1996. At 30 years old it is older than 85% of the 26,724 live companies whose main activity is accounting, bookkeeping and auditing activities; tax consultancy. Its registered office is in Firminy, Loire, Auvergne-Rhône-Alpes, at an address shared with 4 other live companies. 5 live companies in Firminy share the same main activity.
Register details
Timeline
Register events, newest first.
- Incorporated
Register entries
From the register.
Accounting, bookkeeping and auditing activities; tax consultancy in France
Live companies whose main activity is 69.20: 26,724 in total, median age 12 years, 1,308 incorporated in the past 12 months.
Location
Registered office in Firminy, Loire, Auvergne-Rhône-Alpes.
Also registered at this address
4 other live companies share this registered office.
- DIDP IMMO449 358 803 · Est. 2003 · 68.20
- GG.B.P528 379 902 · Est. 2010 · 68.20
- CICPA INVEST797 799 293 · Est. 2013 · 64.32
- MMOD851 622 613 · Est. 2019 · 68.20
Similar companies
Live companies with the same main activity, nearest first.
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.