Since 1936 Callens' experienced and qualified staff ensures continuity and the highest quality standards. These professionals enter into the client's way of thinking and deliver innovative solutions never losing sight of a result-oriented approach.
Various Belgian and international accreditations reflect the expertise of Callens, Pirenne, Theunissen & C°'s staff. When recruiting new staff Callens, Pirenne, Theunissen & C° applies stringent selection criteria in terms of experience and personal commitment. In this way all available talent may be employed to the client's advantage including also on the long-term basis.
Over the years, Callens, Pirenne, Theunissen & C° has built up a unique expertise which enables it to support local and international clients in a very professional way in virtually every sector. In the audit field, the firm's experience ranges from local audits under the Belgian audit standards to international audits under the "International Standards of Auditing".