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ALTENSYS

ActiveSIREN number 900 183 252Simplified joint-stock company (SAS)Est. 202135.11 · Production of electricity from non-renewable sourcesAjaccio, Corsica
Official record (Annuaire des entreprises) ↗
Age5 years
older than 35% of its sector
Same activity, France17,165live companies · 11211th oldest
In Ajaccio10,943live companies
At this address25live companies incl. this one

In brief

ALTENSYS is a simplified joint-stock company (SAS) registered in France on 8 June 2021. It is 5 years old; 65% of the 17,165 live companies whose main activity is production of electricity from non-renewable sources are older. Its registered office is in Ajaccio, Corse-du-Sud, Corsica, at an address shared with 24 other live companies.

Register details

Registered nameALTENSYS
SIREN number900 183 252
Company typeSimplified joint-stock company (SAS)
Registered office51 Cours Napoleon, 20090 Ajaccio
Nature of business (NACE Rev. 2.1 (French NAF 2025))35.11 Production of electricity from non-renewable sources
International sector (ISIC Rev.4)D · 35 Electricity, gas, steam and air conditioning supply

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated8 June 2021

Production of electricity from non-renewable sources in France

Live companies whose main activity is 35.11: 17,165 in total, median age 9 years, 126 incorporated in the past 12 months.

All 17,165 companies
This company's decadeOther decades
02,0004,0006,0008,0001900s: 661900s1950s: 24241950s1960s: 33331960s1970s: 47471970s1980s: 1481481980s1990s: 2842841990s2000s: 3,1723,1722000s2010s: 6,2576,2572010s2020s: 7,1947,1942020s
Incorporated per year, still live
05001,0001,5002,0002011: 52620112012: 4362013: 44520132014: 2762015: 46920152016: 4822017: 52720172018: 4442019: 63120192020: 7772021: 1,05820212022: 1,2772023: 1,53720232024: 1,4092025: 1,06120252026: 75

Location

Registered office in Ajaccio, Corse-du-Sud, Corsica.

Live companies in Ajaccio10,943
Same activity in Ajaccio1
Live companies in Corse-du-Sud30,354
New in Ajaccio, past 12 months428

Also registered at this address

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

  • GGALAXIO899 024 368 · Est. 2021 · 66.30
  • NNOVAYA909 579 310 · Est. 2022 · 55.10
  • TTEREBELUM884 522 533 · Est. 2020 · 70.20
  • AACME915 151 724 · Est. 2022 · 95.31
  • MSMARIA STELLA922 447 693 · Est. 2022 · 68.12
  • CNCALDA NOTTE952 780 047 · Est. 2023 · 55.10
  • SSPRINGFIELD844 349 688 · Est. 2018 · 68.12
  • EEHDEN844 359 018 · Est. 2018 · 55.10

Similar companies

Live companies with the same main activity, nearest first.

Compare all
KE
KALLISTE ENERGIEFigari, Corsica
Number 900 115 007Est. 2021
LE
LABA ENERGIE SOLAIREPorto-Vecchio, Corsica
Number 901 776 567Est. 2021
I
INVESTRAPorto-Vecchio, Corsica
Number 901 995 704Est. 2021
V
VETTAPorto-Vecchio, Corsica
Number 903 067 296Est. 2021
M
MELAArbori, Corsica
Number 912 655 461Est. 2022
N3
NOOM 3Grosseto-Prugna, Corsica
Number 881 035 174Est. 2020

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.