Yes. ATCA provides independent internal audit services in accordance with Swiss regulatory standards and international best practices. Our audits assess corporate financial governance, internal control systems, and operational processes—delivering concrete conclusions and recommendations that strengthen the integrity and effectiveness of your organization.

Yes. Our domicile service provides your company with a professional business presence in Switzerland—without the cost and commitment of a physical office. The package includes a registered business address in Switzerland, mail and telephone management, access to conference rooms and secretarial services, and local director support if needed. A complete solution for companies building or maintaining a presence in Switzerland efficiently.

Yes. ATCA acts as an authorized representative before the relevant cantonal and federal authorities—including tax administrations, AHV/AVS funds, and other regulatory institutions. We manage notifications, handle correspondence, respond to inquiries, and ensure that your company's compliance obligations are met consistently and timely.