Contact an accountant in Zurich

Let’s talk about your accounting

Would you like to contact an accountant in Zurich? The initial meeting is free and without obligation, by phone, by email or in person at our office in Dübendorf. We will get back to you within one working day.

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Enquiry

Write to us

A few details are enough. After sending, you can download a PDF copy of your enquiry.

We use your details solely to process this enquiry. After sending, you can download a PDF copy.

Availability

How to reach us

Address

Kriesbachstrasse 30, 8600 Dübendorf

Opening hours

Monday to Friday, 9 am to 6 pm, visits by appointment

Response time

Usually within one working day

The office building at Kriesbachstrasse 30 in Dübendorf, where Onaccounting AG has its premises

How to find us

Our office is at Kriesbachstrasse 30 in Dübendorf, a few minutes’ drive from the edge of the city of Zurich. By car, you reach us via the A1 motorway, and parking is available at the building. By public transport, you reach us from Dübendorf railway station.

Let us know beforehand

A call or a message is enough. Then the person who knows your matter will be there, and we will have time for you instead of fitting you in between two appointments. We send the exact way to the entrance with the appointment confirmation.

Melanie Giang and Silvio Börlin, the founders of Onaccounting AG, at their desk in the office
Melanie Giang and Silvio Börlin

Your team

With us, you do not call a switchboard

You have a dedicated contact person who knows your business, and a small team behind them who step in when someone is on holiday.

  • Melanie GiangCo-founder
  • Silvio BörlinCo-founder
  • EmiliaAccounting & Payroll
  • OkiAI on the team
  • HarveyChief Happiness Officer

Kriesbachstrasse 30, 8600 Dübendorf · Monday to Friday, 9 am to 6 pm

Meet the whole team

Process

What happens in the initial meeting

So that you know what you are letting yourself in for and what you do not need to prepare for it.

  1. You tell us, we assess

    How many receipts, how many employees, which software and what you do yourself today. You do not need any documents for this. Your memory is enough. Then we assess which of it we would take on, what would stay with you and what order of magnitude it involves. Even if the answer is that you do not need us.

  2. A quote, if you want one

    With the scope of services and a fixed monthly amount. You decide in your own time. We will not call you three times to follow up.

  3. Start according to your calendar

    The cleanest break is the end of the year, during the year the end of a quarter, but any date is possible. The takeover takes about a month.

Your contact persons

30 minutes, free of charge and without obligation. You choose the person and the appointment that suits you.

Melanie Giang, Co-founder, Swiss Certified Accountant (eidg. dipl. Wirtschaftsprüferin)

Melanie Giang

Co-founder, Swiss Certified Accountant (eidg. dipl. Wirtschaftsprüferin)

Speaks German, French, English

Silvio Börlin, Co-founder, Business Economist HF (dipl. Betriebswirtschafter HF)

Silvio Börlin

Co-founder, Business Economist HF (dipl. Betriebswirtschafter HF)

Speaks German

Client reviews

What our clients say

Genuine Google reviews

4.9 out of 5 from 26 Google reviews, as of 10 October 2026

Reviews in German, as published on Google.

Die komplette Auslagerung der Buchhaltung an Onaccounting war für uns die richtige Entscheidung. Alles ist organisiert, transparent und zuverlässig.
Jelena LaurentGoogle review
Zuverlässig, transparent und professionell. Silvio nimmt sich Zeit für Fragen und erklärt komplexe Themen verständlich. Wir fühlen uns als Firma bestens aufgehoben.
Céline S.Google review
Kompetent, freundlich und effizient. Fragen wurden rasch beantwortet und alles wurde zuverlässig erledigt. Klare Empfehlung!
Tamara WunderlinGoogle review
Schnell, unkompliziert und professionell. Die Firmengründung lief absolut reibungslos.
Fabrizio BrescianiGoogle review
Super Team, sehr freundlich, professionell und engagiert! Kann ich nur weiter empfehlen
Andreas BrunGoogle review
Professionell und kompetent! Bin sehr zufrieden und kann die Firma nur weiterempfehlen.
Vanessa LutzGoogle review
Immer gut erreichbar und schnell im Antworten!
Sara FornasieroGoogle review
Super Service und sehr freundlich! Sehr zu empfehlen :)
RafaelaGoogle review
Top Service, danke vielmals!
Francesco AlbertiniGoogle review

See all reviews on Google

bexio

Platinum and implementation partner

bexio’s highest partner level, which comes with ongoing certification. Listed in the official directory of accounting firms.

From the blog

Forming a company in Switzerland as a foreign national

3 min read · Company formation, Law

  • Owning a company and working in Switzerland yourself are separate questions. Check the requirements for both.
  • EU/EFTA nationals must demonstrate their self-employed activity to the competent authority.
  • For third-country nationals, the requirements also depend on their existing residence status.
  • A GmbH or AG must be able to be represented by a person resident in Switzerland.

Questions and answers

Frequently asked questions

Is the initial meeting really free of charge?

Yes, and it is not tied to any condition. 30 minutes, by video, by phone or at our office in Dübendorf. We do not sell anything in it; we look at your situation and tell you what we see. If we are not the right people for you, you will hear that in the same conversation.

What should I bring to the initial meeting?

Nothing essential. The latest annual accounts and a rough idea of how many receipts and payslips you have each month are helpful. If you do not have that to hand, we will estimate it together. That is what the meeting is for.

How quickly do you reply?

To emails and form enquiries, usually within one working day. By phone, you can reach us Monday to Friday from 9 am to 6 pm; if nobody answers, we call back. For short questions, WhatsApp to the same number also works.

Can we meet online?

Gladly. We hold most initial meetings by video. That saves both sides the journey. If you would rather come in person, you are welcome at Kriesbachstrasse at any time, once you have let us know briefly.

Which languages can we speak?

German always, English and French with Melanie Giang. For correspondence with the authorities, we cover the same three languages. This is particularly relevant for VAT representation (Fiskalvertretung) for foreign companies.

Can I book an appointment online directly?

Yes. You first choose the person, Melanie Giang or Silvio Börlin, and then the appointment in their calendar. Booking runs via Calendly. The calendar only loads once you have agreed, because data is then transferred to Calendly LLC in the USA. If you would rather not, call us or write to info@onaccounting.ch.

Will we receive a quote after the initial meeting?

If you want one, yes. You receive it with the scope of services and a fixed monthly amount, you decide in your own time, and we will not call you three times to follow up. You can work out a first order of magnitude yourself beforehand with our price calculator. It sends you a non-binding quote as a PDF.

Can we switch to you in the middle of the year?

Yes. During the year, the end of a quarter is the cleanest break, because the VAT return is then complete, but any date is possible. We take over the opening balance sheet, reconcile the open items and collect the records from your previous accountant. The takeover takes about a month.

How do we find you in Dübendorf?

Our office is at Kriesbachstrasse 30 in Dübendorf, a few minutes’ drive from the edge of the city of Zurich. By car, you reach us via the A1 motorway, and parking is available at the building. By public transport, you reach us from Dübendorf railway station. Let us know briefly beforehand, and we will send you the exact way to the entrance with the appointment confirmation.

What happens to my enquiry from the form?

Your details are sent to us by email, and we use them to answer your enquiry and to prepare a possible collaboration. After sending, you can download a PDF copy of your enquiry. We use the Resend service to send the email. What exactly is processed is set out in our privacy policy.