ACTHEOS offers its clients a wide scope of intervention in terms of expertise, business sectors and geographic outreach.

With over 130 employees and 16 partners, ACTHEOS represents a competitive, alternative and complementary offer to the major networks of accounting and audit. Its multidisciplinary team provides a close relationship in which clients’ needs and wishes are listened to very attentively.


Close relationship and lasting trust

  • The members of ACTHEOS believe strongly in establishing a close, trusting and personal relationship with their clients. Every associate heads a dedicated team, whose experience ensures that each mission is conducted in a highly professional manner.

Technical performance

  • The founding associates of ACTHEOS are members of several working groups of the Conseil Supérieur de l’Ordre des Experts Comptables, including the Commission Secteur Non-Marchand, and the Compagnie Nationale des Commissaires aux Comptes.
  • ACTHEOS is a member of the ATH technical group.

All training and research & development resources are pooled across the ACTHEOS group, so all its members are fully able to meet the needs of companies and provide relevant advice for technical and sectorial bids.

A multidisciplinary service offer

  • Its skills set and in-depth knowledge of many business sectors enables ACTHEOS to provide the right support for its customers as they drive their strategic development forward.
  • ACTHEOS offers its range of multidisciplinary services in the following areas of business :
    • Chartered Accounting
    • Chartered Accounting
    • Statutory Audit
    • Consulting and Strategy
    • Social Expertise
    • Human Resources
    • Evaluation
    • Corporate Social Responsibility (CSR)
    • Cooperative auditAsset Management

Entrepreneurial dynamics

  • The associates are themselves entrepreneurs, so they understand what the real issues are in building businesses and creating value.

Our teams

  • Over 130 collaborators
  • 16 associates
  • 20 Chartered Accountants and Auditors

Our strengths

  • Multidisciplinarity
  • Flexibility and tailor-made approach
  • Team stability
  • Close relationship with clients 

Our clients

We work with nearly 3000 clients :

  • French and international groups
  • Subsidiaries of foreign groups
  • SMEs and micro-enterprises
  • Freelance professionals
  • Associations, cooperatives, works councils
  • Banks