Insights

Comprehensive Service Offerings In Extenso provides a wide range of services including accounting, legal, fiscal, social, mergers and acquisitions, wealth management, and consulting for innovative organizations, presenting opportunities for cross-selling integrated financial and advisory solutions.

Large Client Base & Market Reach With over 250 locations across France and servicing hundreds of thousands of payrolls monthly, In Extenso has extensive exposure to diverse small and medium-sized enterprises, artisanal businesses, and associations, indicating significant potential for expanding partnership and service adoption.

Digital Presence & Technology Usage Utilizing a modern tech stack including AWS, WordPress, and cloud security measures like Cloudflare, the company demonstrates a strong digital infrastructure that can support scalable online service offerings and targeted marketing campaigns.

Growth Potential & Revenue Scale With an estimated revenue range of 50 to 100 million dollars and a dedicated network of professionals, there are opportunities to upsell premium or specialized consulting services, especially to clients engaged in mergers, acquisitions, or wealth management.

Industry Position & Competition As a leading player in France’s accounting and payroll sectors, competing with major firms like KPMG and Deloitte, In Extenso’s strategic focus on local proximity and specialized services presents opportunities to differentiate through targeted value propositions and expanded service lines.

In Extenso Tech Stack

In Extenso uses 8 technology products and services including Amazon Web Services, WordPress, SendGrid, and more. Explore In Extenso's tech stack below.

  • Amazon Web Services
    Cloud Hosting
  • WordPress
    Content Management System
  • SendGrid
    Email Delivery
  • jQuery Migrate
    Javascript Libraries
  • PHP
    Programming Languages
  • HSTS
    Security
  • Cloudflare Bot Management
    Security
  • Google Tag Manager
    Tag Management

Media & News

In Extenso's Email Address Formats

In Extenso uses at least 1 format(s):
In Extenso Email FormatsExamplePercentage
First.Last@inextenso.frJohn.Doe@inextenso.fr
98%
Last.First@inextenso.frDoe.John@inextenso.fr
1%
First@inextenso.frJohn@inextenso.fr
1%

Frequently Asked Questions

Where is In Extenso's headquarters located?

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In Extenso's main headquarters is located at 8 place Hubert Mounier, Lyon, 69002, FR. The company has employees across 5 continents, including EuropeAfricaNorth America.

What is In Extenso's phone number?

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You can contact In Extenso's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is In Extenso's official website and social media links?

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In Extenso's official website is inextenso.fr and has social profiles on LinkedIn.

How much revenue does In Extenso generate?

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As of October 2025, In Extenso's annual revenue is estimated to be $5B.

What is In Extenso's NAICS code?

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In Extenso's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does In Extenso have currently?

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As of October 2025, In Extenso has approximately 5K employees across 5 continents, including EuropeAfricaNorth America. Key team members include Cio: S. J.Cio: S. J.Chief Accounting Officer: I. G.. Explore In Extenso's employee directory with LeadIQ.

What industry does In Extenso belong to?

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In Extenso operates in the Accounting industry.

What technology does In Extenso use?

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In Extenso's tech stack includes Amazon Web ServicesWordPressSendGridjQuery MigratePHPHSTSCloudflare Bot ManagementGoogle Tag Manager.

What is In Extenso's email format?

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In Extenso's email format typically follows the pattern of First.Last@inextenso.fr. Find more In Extenso email formats with LeadIQ.

When was In Extenso founded?

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In Extenso was founded in 1991.

In Extenso

AccountingFrance5001-10000 Employees

Crée en 1991 In Extenso est l’un des leaders de l’expertise comptable en France. 

Avec un réseau de 250 implantations sur l’hexagone, In Extenso propose aux chefs d’entreprises, artisans, commerçants, professions libérales et responsables d’associations un service de proximité couvrant tous les aspects comptables, administratifs, juridiques, fiscaux et sociaux de leur organisation. 

Cabinet pluridisciplinaire, In Extenso propose également des services en matière de fusion acquisition (In Extenso Finances & Transmissions), de conseil en Tourisme Culture Hôtellerie (In Extenso Tourisme Culture Hôtellerie), de gestion de patrimoine (In Extenso Patrimoine), de conseil auprès des organisations innovantes (In Extenso Innovation Croissance) et de droit (In Extenso Avocats). 

In Extenso est par ailleurs l’un des principaux acteurs de la paie en France avec 210 000 bulletins réalisés par mois. 

Pour consulter notre charte sur la protection des données sur LinkedIn : https://www.inextenso.fr/wp-content/uploads/2023/01/PC-LINKED-IN-2023.pdf

Section iconCompany Overview

Headquarters
8 place Hubert Mounier, Lyon, 69002, FR
Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1991
Employees
5001-10000

Section iconMedia & News

Section iconFunding & Financials

  • $50M$100M

    In Extenso's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    In Extenso's revenue is estimated to be in the range of $50M$100M

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