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Groupe Dec, Diagnostic Expertise Conseil

Groupe DEC presents itself as an organization offering local teams across five sites: Caen, Le Havre, Pont-Audemer, Mont-Saint-Aignan, and Paris.

Accounting
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Headquarters
Mont-saint-aignan, FranceSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
1990Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
13 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Groupe Dec, Diagnostic Expertise Conseil do?

The group brings together specialists in accounting, audit, social services, legal matters, and IT.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

The company addresses business creators, executives, and liberal professionals.

What the business offers

Services & capabilities.

Professional services

The group offers specialists in accounting, audit, social services, legal matters, and IT.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWGroupe Dec, Diagnostic Expertise Conseil listed #3 on Business consultant associations, September 20, 2026Open the published source list.
Groupe Dec, Diagnostic Expertise Conseil

#3 Business consultant associations

Snapshot: September 20, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 3, 2026, September 19, 2026, September 20, 2026, September 26, 2026, September 27, 2026 and September 30, 2026. How the company lists are built.

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