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ACOSS's Overview

Total employees3999
HeadquartersMontreuil
Founded

Acoss (Agence Centrale des Organismes de Sécurité Sociale) is the French national agency responsible for managing the treasury of the general scheme of Social Security. It coordinates and steers the network of URSSAF (Unions de Recouvrement des Cotisations de Sécurité Sociale et d'Allocations Familiales), which are responsible for collecting social security contributions and taxes from employers and self-employed workers in France. Acoss plays a vital role in financing France's social protection system, ensuring the funding for health insurance, family benefits, pensions, and unemployment benefits.

Where is ACOSS's Headquarters?

HQ Function

Serves as the central administrative and strategic hub for Acoss, overseeing national collection strategies, financial management for social security, IT systems, and coordination of the URSSAF network.

Notable Features:

Modern office building (often referred to as 'Acropolis') designed for administrative functions, equipped with advanced IT infrastructure to manage vast amounts of financial data and national operations. Emphasis on security and accessibility.

Work Culture:

Professional, mission-driven, and collaborative, focused on public service, accuracy in financial management, and efficient operation of the social security collection system. Emphasis on expertise in social legislation, data management, and IT.

HQ Significance:

The strategic core for the financial stability of France's social security system, processing billions of euros in contributions and ensuring the operational effectiveness of the nationwide URSSAF network.

Values Reflected in HQ: Integrity, public service, efficiency, responsibility, transparency, and innovation in managing national social contributions.

Location:

As a French national agency, Acoss's primary operations are domestic. Its global presence is mainly through international cooperation with equivalent social security institutions in other countries, sharing expertise, participating in international social security forums, and managing contributions for situations involving international workers (e.g., French citizens working abroad or foreign nationals working in France under specific agreements). It does not operate 'offices' globally in a commercial sense but engages in cross-border administrative collaboration and adherence to international social security agreements.

Street Address:

36 Rue de Valmy

City:

Montreuil

State/Province:

Île-de-France

Country:

France

ACOSS's Global Presence

Valbonne (Sophia Antipolis), Provence-Alpes-Côte d'Azur/France

Address: Located within Sophia Antipolis technology park; specific street address for the DSI unit is not publicly listed.

Serves as a key technology and development hub, leveraging the Sophia Antipolis technology park ecosystem for IT innovation and talent, supporting Acoss's nationwide digital infrastructure and strategic IT projects.

Buying Intent Signals for ACOSS

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of ACOSS

As of April 2025, ACOSS' leadership includes:

Yann-Gaël Amghar - Directeur Général (Director General)
Marie-Axelle Courtiau - Présidente du Conseil d’administration (President of the Board of Directors)

Investors of ACOSS

ACOSS has been backed by several prominent investors over the years, including:

Acoss is a public administrative agency (Établissement public à caractère administratif) and is not funded by private investors. Its funding primarily comes from the social security contributions it collects and is managed under the oversight of the French State.

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits0

A key leadership transition occurred with the appointment of a new President of the Board of Directors in early 2023. Information on other specific executive movements within the broader executive committee in the immediate last 12 months (approx. mid-2023 to mid-2024) is not always widely publicized for public institutions unless involving top-tier roles.

New Appointments:

Marie-Axelle Courtiau, Marie-Axelle Courtiau appointed as new President of the Board of Directors of Acoss.

Technology (Tech Stack) used by ACOSS

Discover the tools ACOSS uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

ACOSS Email Formats and Examples

Acoss, like many French organizations and public institutions, typically uses a standardized email format for its employees. The most common format is 'firstname.lastname@acoss.fr'.

[first_name].[last_name]@acoss.fr

Format

pierre.martin@acoss.fr

Example

85%

Success rate

News and media

Acoss.fr2024-04-02

Acoss and Urssaf launch a call for projects: 'Innovators in Prevention'

Acoss, alongside the Urssaf network, has initiated a call for projects aimed at fostering innovation in occupational risk prevention and improving health and safety at work. (Source: Official Acoss press release)...more

Acoss.fr2024-03-26

Fight against fraud: Over 1 billion euros in adjustments and avoided losses in 2023 by the Urssaf network

The Urssaf network, steered by Acoss, announced significant results in combating social security fraud, with over €1 billion recovered or saved through its actions in 2023. (Source: Official Acoss press release)...more

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