Interexco SA is a chartered accountants' firm, member of the French Institute of Chartered Accountants, Paris Ile-de-France region (Ordre des Experts Comptables, région Paris Ile-de-France).

Interexco is an international firm of chartered accountants, because of the origin of its associates, their experience, the origin or the activity of most of the clients, its capacity to operate in financial, commercial or industrial environments which implement and expect perfect knowledge of international accounting principles, particularly those in force in the client's country of origin. Interexco can operate abroad, in Europe or elsewhere, at customer's request, for audit and surveillance assignments of subsidiaries, branches, punctual projects, or for acquisition audits of companies and other assets, or evaluation studies prior to permanent establishment.