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

English
About
SearchMethodologyAbout

Countries

CZCzechiaEEEstoniaFIFinlandFRFranceIEIrelandLVLatviaNONorwayRORomaniaSKSlovakiaSESwedenTWTaiwanGBUnited Kingdom

Languages

EnglishGaeilgeNorskSuomiSvenskaEestiLatviešuFrançaisČeštinaSlovenčinaRomână繁體中文

DIAGNOSTICS ET EXPANSIONS

ActiveSIREN number 521 439 497Limited liability company (SARL)Est. 201071.20 · Technical testing and analysisNoyon, Hauts-de-France
Official record (Annuaire des entreprises) ↗
Age16 years
older than 67% of its sector
Same activity, France17,042live companies · 5705th oldest
In Noyon1,227live companies · 6 in the same activity
At this address1only this company

In brief

DIAGNOSTICS ET EXPANSIONS is a limited liability company (SARL) registered in France on 31 March 2010. At 16 years old it is older than 67% of the 17,042 live companies whose main activity is technical testing and analysis. Its registered office is in Noyon, Oise, Hauts-de-France. 6 live companies in Noyon share the same main activity.

Register details

Registered nameDIAGNOSTICS ET EXPANSIONS
SIREN number521 439 497
Company typeLimited liability company (SARL)
Registered office457 Avenue Marcellin Berthelot, 60400 Noyon
Nature of business (NACE Rev. 2.1 (French NAF 2025))71.20 Technical testing and analysis
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated31 March 2010

Technical testing and analysis in France

Live companies whose main activity is 71.20: 17,042 in total, median age 10 years, 1,085 incorporated in the past 12 months.

All 17,042 companies
This company's decadeOther decades
02,0004,0006,0008,0001900s: 261900s1910s: 11910s1920s: 11920s1950s: 81950s1960s: 121960s1970s: 381970s1980s: 3441980s1990s: 1,5671990s2000s: 3,5432000s2010s: 5,0662010s2020s: 6,4362020s
Incorporated per year, still live
05001,0001,5002,0002011: 50020112012: 5122013: 42420132014: 4202015: 47020152016: 5122017: 53620172018: 5052019: 67520192020: 6192021: 77220212022: 9002023: 1,06020232024: 1,0812025: 1,10420252026: 900

Location

Registered office in Noyon, Oise, Hauts-de-France.

Live companies in Noyon1,227
Same activity in Noyon6
Live companies in Oise74,819
New in Noyon, past 12 months55

Similar companies

Live companies with the same main activity, nearest first.

Compare all
E
EASYDIABerthecourt, Hauts-de-France
Number 520 061 953Est. 2010
AC
ACEP CONTROLECompiègne, Hauts-de-France
Number 522 885 896Est. 2010
AD
AGENCE DE DIAGNOSTICS IMMOBILIERS DIAGChantilly, Hauts-de-France
Number 519 325 237Est. 2010
FC
FLASH CONTROLENogent-sur-Oise, Hauts-de-France
Number 519 502 850Est. 2010
C
CTPBOns-en-Bray, Hauts-de-France
Number 523 811 586Est. 2010
SA
SARL AUNEUIL CONTROLE TECHNIQUEJuvignies, Hauts-de-France
Number 523 111 086Est. 2010

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.