We give advice

not only when we are asked for it, but also when we see an opportunity for our clients.

We combine

the capacity to handle complex accounting with a personal and individually adapted approach.

We are experienced

in both international and Swiss accounting standards (IFRS, US GAAP, Swiss Code of Obligations and Swiss GAAP).


My name is Robert Kubski, Director of ATCA Sàrl.

We are a multilingual team of accounting experts offering services to mid-size companies.
We work with clients who appreciate professional services including close collaboration, solid working procedures, periodic closing, analytical reporting, and IFRS or Swiss/US GAAP reporting.

We guarantee personal services, proactive advices and solutions adapted to your business model.

We have offices across Western Switzerland and we speak French, English, German, Polish and Russian.

Read more..

Our offer


Full scope of accounting services, VAT, corporate, taxes, HR and payroll fixed and intangible assets…


Full scope of tax services, calculation of tax liabilities, preparation of tax declarations…


Consulting services in the area of accounting, taxes, finance, business, law, audit, internal controls…


We check whether the existing company rules and procedures of internal control are adequate and adhered to…

Company registration-
Administration & Domiciliation

We help establishing SA & SARL companies, offer administration and domiciliation services…

Process optimization

Implementation and optimization of internal, finance-related processes…

  • 5 star review  ATCA Sarl is a great company! Very professional, reactive, kind and reliable. I decided to share my experience to spread the good news about the ATCA team. They have made a difference in my business! Thank you! Paul

    thumb Paul London

    5 star review  Just to say many thanks to the team for your fast and great help!

    thumb Lena Novotna

    5 star review  Fantastic Company, extremely professional and kind, very flexible and really there for you! I have made a big savings on my TVA return compared with my previous companies. They are listening to their clients and can really well advise the best solution. I highly recommend!!

  • 5 star review  Reliable company with professional and nice people who really knows what they are doing. They help me manage my company and take care of any necessary contacts with authorities, bookkeeping, tax return etc.

    thumb A Gustafsson

    5 star review  I've found this company using the internet search, so no prior acquaintances or any relation at all - which was kind of a leap of faith, if you will. We had a nice initial meeting and I was offered several solutions for my questions. Basically, after one discussion there I got more information, concerning my issues than for half a year of working with other companies. It is a pleasure to work with this company - they are reliable, their knowledge and skills are extensive and constantly improving. Openness to different solutions is a great plus too. A thing, which is very important to me - since my timetable is really busy - they are fast-responding and fast-thinking. As a result - I am happy to recommend them to other people.

    thumb Lushpa Andrey

    5 star review  Just to say many thanks to the team for your fast and great help!

    thumb Lena Novotna

Do not hesitate!

Fix an appointment and let’s see what we can do for you.