FAQ

1. Do you offer personal income tax services?
No, we do not offer personal or individual tax return services. ATCA is dedicated exclusively to business and corporate clients.

 

Do you provide US GAAP reporting?

No, we do not work with US GAAP standards. Our expertise lies in Swiss GAAP and IFRS reporting tailored to corporate needs.

What services do you offer?
We provide a wide range of corporate support services, including:

  • Accounting & payroll

  • Swiss corporate tax

  • Internal audits

  • Company formation & domiciliation

  • Financial process optimization

  • Administrative and compliance support

 

Who are your typical clients?

We serve SMEs, international subsidiaries, and Swiss-based corporate groups, including holding companies and branches.

What languages does your team speak?

Our team speaks English, French, German, Polish, and Russian, making communication seamless with clients from around the world.

Can you represent my company before Swiss tax and social authorities?

Yes. We act as an authorized representative before Swiss tax offices, AVS, and other regulatory bodies to manage filings and compliance on your behalf

Do you offer domiciliation and virtual office services?

  • Swiss business address

  • Mail & phone handling

  • Local director support

  • Access to meeting rooms and secretarial services

 

What sets ATCA apart in terms of service quality?
We prioritize responsiveness, precision, and client satisfaction. Our approach is proactive, tailored, and results-driven — designed to support your business long-term.

 

 

Where are your offices located?
ATCA Sàrl operates throughout Western and Central Switzerland, with offices in:

 

  • Geneva

  • Zurich

  • Zug

  • Nyon

  • Lausanne

  • Yverdon-les-Bains

  • Bern

  • Basel