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ILDEFONSO

ActiveSIREN number 503 863 334Simplified joint-stock company (SAS)Est. 200843.91 · Masonry and bricklaying activitiesVoiron, Auvergne-Rhône-Alpes
Official record (Annuaire des entreprises) ↗
Age18 years
older than 77% of its sector
Same activity, France72,456live companies · 16719th oldest
In Voiron3,057live companies · 20 in the same activity
At this address7live companies incl. this one
Employees1–2as registered · 2024

In brief

ILDEFONSO is a simplified joint-stock company (SAS) registered in France on 1 April 2008. At 18 years old it is older than 77% of the 72,456 live companies whose main activity is masonry and bricklaying activities. Its registered office is in Voiron, Isère, Auvergne-Rhône-Alpes, at an address shared with 6 other live companies. 20 live companies in Voiron share the same main activity.

Register details

Registered nameILDEFONSO
SIREN number503 863 334
Company typeSimplified joint-stock company (SAS)
Registered officeAvenue Edouard Herriot, 38500 Voiron
Nature of business (NACE Rev. 2.1 (French NAF 2025))43.91 Masonry and bricklaying activities
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 April 2008
Employees1–2 (2024)

Masonry and bricklaying activities in France

Live companies whose main activity is 43.91: 72,456 in total, median age 9 years, 3,769 incorporated in the past 12 months.

All 72,456 companies
This company's decadeOther decades
010,00020,00030,00040,0001900s: 521900s1910s: 11910s1920s: 21920s1950s: 801950s1960s: 3931960s1970s: 4881970s1980s: 1,4941980s1990s: 4,1971990s2000s: 13,3322000s2010s: 23,9492010s2020s: 28,4682020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 2,51320112012: 2,4012013: 2,17320132014: 1,9832015: 1,91520152016: 2,2452017: 2,42820172018: 2,8852019: 3,19420192020: 3,0992021: 4,09120212022: 4,5172023: 4,60620232024: 4,7062025: 4,43920252026: 3,010

Location

Registered office in Voiron, Isère, Auvergne-Rhône-Alpes.

Live companies in Voiron3,057
Same activity in Voiron20
Live companies in Isère148,873
New in Voiron, past 12 months130

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
SB
SAIDANI BATIMENTGrenoble, Auvergne-Rhône-Alpes
Number 502 793 235Est. 2008
EF
EUROP' FACADESLe Péage-de-Roussillon, Auvergne-Rhône-Alpes
Number 503 505 539Est. 2008
T
T.D.S.Séchilienne, Auvergne-Rhône-Alpes
Number 502 656 440Est. 2008
CM
CONSEIL MAITRISE REALISATION - CONSTRUCTIONRuy-Montceau, Auvergne-Rhône-Alpes
Number 502 617 046Est. 2008
SS
S.I.B. SOCIETE ISEROISE DU BATIMENTVarces-Allières-et-Risset, Auvergne-Rhône-Alpes
Number 504 520 727Est. 2008
CR
COREALP-CONSTRUCTION RENOVATION DES ALPESLe Touvet, Auvergne-Rhône-Alpes
Number 502 156 672Est. 2008

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.