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

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DIAPHORE

ActiveSIREN number 811 787 142Simplified joint-stock company (SAS)Est. 201596.40 · Intermediation service activities for personal servicesGuyancourt, Île-de-France
Official record (Annuaire des entreprises) ↗
Age11 years
older than 44% of its sector
Same activity, France9,017live companies · 5071st oldest
In Guyancourt2,035live companies · 5 in the same activity
At this address36live companies incl. this one
Employees3–5as registered · 2024

In brief

DIAPHORE is a simplified joint-stock company (SAS) registered in France on 1 July 2015. It is 11 years old; 56% of the 9,017 live companies whose main activity is intermediation service activities for personal services are older. Its registered office is in Guyancourt, Yvelines, Île-de-France, at an address shared with 35 other live companies. 5 live companies in Guyancourt share the same main activity.

Register details

Registered nameDIAPHORE
SIREN number811 787 142
Company typeSimplified joint-stock company (SAS)
Registered office2 Rue Helene Boucher, 78280 Guyancourt
Nature of business (NACE Rev. 2.1 (French NAF 2025))96.40 Intermediation service activities for personal services
International sector (ISIC Rev.4)N · 82 Office administrative, office support and other business support activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated1 July 2015
Employees3–5 (2024)

Intermediation service activities for personal services in France

Live companies whose main activity is 96.40: 9,017 in total, median age 13 years, 48 incorporated in the past 12 months.

All 9,017 companies
This company's decadeOther decades
01,0002,0003,0004,0001900s: 391900s1920s: 11920s1940s: 11940s1950s: 61950s1960s: 221960s1970s: 1171970s1980s: 6551980s1990s: 1,1391990s2000s: 1,8182000s2010s: 2,7842010s2020s: 2,4352020s
Incorporated per year, still live
02004006008002011: 25820112012: 2022013: 22320132014: 2322015: 32020152016: 3172017: 32420172018: 3322019: 37620192020: 3352021: 42020212022: 5032023: 47720232024: 3782025: 28020252026: 42

Location

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

Live companies in Guyancourt2,035
Same activity in Guyancourt5
Live companies in Yvelines151,787
New in Guyancourt, past 12 months120

Also registered at this address

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

Similar companies

Live companies with the same main activity, nearest first.

Compare all
AD
ASSOCIATION DES EXPLOITANTS DU CENTRE COMMERCIAL MARQUES AVENUE A13Aubergenville, Île-de-France
Number 811 824 192Est. 2015
B
BATIMANPoissy, Île-de-France
Number 814 088 290Est. 2015
I2
ICS 26Sartrouville, Île-de-France
Number 815 129 291Est. 2015
AD
ASSOCIATION DE GESTION DU RIE CHATOUChatou, Île-de-France
Number 810 942 284Est. 2014
BC
BCS CONSULTINGJouy-en-Josas, Île-de-France
Number 817 879 703Est. 2016
C
COMFIDANCELe Vésinet, Île-de-France
Number 818 731 416Est. 2016

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.