Tax advisory & filing services in Canton St. Gallen
Tax return filing in St. Gallen, made simple.
Tax return filing in St. Gallen doesn't have to be complicated. Delegate your St. Gallen tax return to a trusted tax advisor who speaks your language and understands the Swiss system.
With FIN, you get personal, digital and efficient tax and financial advisory in St. Gallen. We help individuals and expats file their Swiss tax returns accurately and on time.
Remember that the deadline for submitting your tax return in the Canton of St. Gallen for individuals is March 31st.
Request deadline extension→Clarity, not complexity.
Our principle is simple: everyone deserves financial clarity and real guidance with their Swiss taxes.
St. Gallen Tax Advisory
Why get help with your St. Gallen tax return?
Whether you live in the city of St. Gallen or in the surrounding region, FIN ensures your tax return is accurate and optimized.
- ✓Save time and avoid costly mistakes
- ✓Up-to-date knowledge of Swiss and St. Gallen tax law
- ✓Proactive reminders for tax-saving opportunities
We handle your tax return from start to finish — reliable, on time and without technical jargon.
Tax advisory in St. Gallen – professional, personal, reliable.
Whether you live in the city of St. Gallen or in the surrounding region, FIN ensures your tax return is accurate and optimized.
We handle your tax return from start to finish — reliable, on time and without technical jargon.
Expat Tax Advisory
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Clarity around double taxation, withholding tax & reporting obligations.
Our St. Gallen tax advisors specialise in supporting expats with Swiss tax returns and cross-border taxation. We expertly guide you through your tax return, making sure it is compliant and optimised.
St. Gallen Tax Return Filing
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For the Canton of St. Gallen. Transparent flat fee and personal support.
From your first consultation to secure digital document upload via Trust FIN Tax Portal, we guide you through the entire tax declaration process. We review your final tax assessment to ensure accuracy and transparency.
Individual Tax Planning
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Optimise your situation — whether private or as an expat.
We help you optimise your tax position under Swiss tax law. Early planning allows you to reduce tax liabilities, structure income efficiently and make informed financial decisions.
Strategic Financial Planning
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Covering retirement, inheritance, investments, and real estate.
By combining tax expertise with financial planning, we help you build long-term strategies aligned with Swiss regulations and your personal goals.
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Delegate your St. Gallen Tax Return, just three steps away
Initial Consultation & Assessment
Step one
Tell us about your situation. In our initial, no-obligation consultation, we take the time to understand your unique needs, completely free of charge. From the very beginning, you'll benefit from full transparency with our clear, fixed rates.
How it works →Document Submission
Step two
Your personalized checklist is automatically created by Trust FIN Tax Portal based on your information. Access and manage your documents securely in the Swiss cloud using our client portal with two-factor authentication.
How it works →Full Review & Optimization
Step three
We don't just fill out the form. We look for ways to optimize – for this year and the next. Because smart tax advisory goes beyond paperwork.
How it works →You always know what to expect
Our flat-rate model adjusts to your situation and is made up of transparent components.
Basic Package
Make the most of all available tax deductions.
- Tax return filing
- Deadline extension
- Add-ons based on complexity
Basic Package
- Tax return filing We prepare and file your complete Swiss tax return, optimizing every deduction.
- Deadline extension We handle the formal deadline extension request with your canton.
- Add-ons based on complexity Additional services only when your situation requires them — no hidden costs.
Most appreciated
Premium Package
We fully represent you with the tax authorities & take care of all the tax hassle for you.
- Everything from Basic
- Personal consultation
- Full representation
- Document requests from tax authorities
- Tax objection
Premium Package
- Everything from Basic All Basic services included as your solid foundation.
- Personal consultation One-on-one session to review your financial situation and tax strategy.
- Full representation We communicate directly with tax authorities on your behalf.
- Document requests from tax authorities We handle all information requests and correspondence.
- Tax objection We file formal objections if your tax assessment needs correction.
All Inclusive
Sit back and relax. Your ultimate peace-of-mind package.
- Everything from Premium
- Priority processing
- Ongoing optimizations
- No extra charges
All Inclusive
- Everything from Premium Complete Premium coverage with additional exclusive benefits.
- Priority processing Your case gets fast-tracked through our workflow.
- Ongoing optimizations Proactive multi-year tax planning tailored to your goals.
- No extra charges Flat rate covers everything — no surprises, no add-ons needed.
Additional Services
(e.g. bank accounts; debts) CHF 10 per item
(foreign withholding tax) CHF 200
(within 5 days) CHF 200
Questions about taxes in St. Gallen?
We're here with the answers you need.
Here's what people often want to know before getting started with FIN in St. Gallen.
Do I have to declare foreign income/assets in my St. Gallen tax return?
Yes. If you are domiciled in Switzerland, you must declare global income and assets — including foreign accounts, property and dividends.
When is the tax return deadline in St. Gallen?
Your St. Gallen tax return must be submitted by March 31st following the tax year. You can request an extension online via the St. Gallen Tax Administration.
When is filing required in St. Gallen?
Earning more than CHF 120,000/year always requires filing. Lower income may still require or benefit from filing due to assets, securities or properties. Details are available from the St. Gallen Cantonal Tax Office.
Do I have to file a tax return in the Canton of St. Gallen with a B permit?
Thresholds in St. Gallen for a B permit: Gross annual income CHF 120,000 / Assets single from CHF 75,000 / Assets married from CHF 150,000 / Additional non-withholding income from CHF 3,000.
What if I pay tax at the source in St. Gallen?
If you earn over CHF 120,000/year, you must also file a tax return. Below that, you may still benefit from a refund via the subsequent ordinary assessment (NOV) process to claim deductions such as pillar 3a or pension fund buy-ins.
Missed your tax return deadline in St. Gallen?
We help with extensions — book our express service if needed. Without an extension, you may face fines or estimated assessments.
Do you support expats, self-employed individuals or students filing in St. Gallen?
Yes — especially in complex cases, professional support pays off. We guide expats, freelancers and students through the St. Gallen tax system.
How to file a St. Gallen tax return?
Electronically via the St. Gallen e-filing system or in paper form. With FIN, you can upload everything digitally through Trust FIN Tax Portal with two-factor authentication.
Joint account, unmarried — how to declare?
Each holder must declare their share (typically 50/50) correctly in their own return — both for capital balances and for income earned.
Are gifts and inheritance taxable in St. Gallen?
Gifts must be declared with full details on giver, amount and date.
How much does a tax return in St. Gallen cost?
We offer fair flat rates, customised for your needs: starting at CHF 280; fixed package personalised by complexity.
Can I submit my St. Gallen tax information online?
Yes. We support you digitally — all digital uploads, communication and advice are secure via Trust FIN Tax Portal with 2FA.
What happens with my tax return if I move to a different canton during the year?
Your tax return is filed in the canton where you are officially registered on December 31st of the tax year.
Is the initial consultation free of charge?
Yes, your first consultation with us is completely free and without obligation. This allows you to get to know us and discuss your needs before making any commitments.
Why should I choose independent financial advice?
Independent financial advice ensures that recommendations are made in your best interest, free from conflicts of interest or product sales pressure. Our only goal is to help you achieve your financial objectives.
How is an independent advisor different from a bank consultant?
Unlike bank consultants, who may be tied to specific products or services, independent advisors offer unbiased guidance and access to a wider range of solutions tailored to your individual situation.
How do you get compensated for your services?
Our compensation is transparent. We typically work on a fee basis, which we discuss and agree upon with you in advance. This ensures our advice remains objective and in your best interest.
Am I entering into a long-term commitment?
No, you are not required to enter into a long-term contract. Our services are flexible, and you decide how long you wish to work with us.
How often do we review my financial situation?
We recommend reviewing your financial situation at least once a year or whenever there are significant changes in your life. We tailor the frequency to your preferences.
Do you also help with budgeting and financial organisation?
Yes, we assist you with budgeting, financial organisation and developing strategies to manage your finances more effectively.
Is online submission possible?
Yes. You can file digitally via the St. Gallen e-filing system or in paper form. With FIN, you can upload everything digitally through Trust FIN Tax Portal with two-factor authentication.
What happens if I miss the deadline?
Without an extension, you may face fines or estimated assessments — usually to your disadvantage. Act early.
Can FIN help if I'm late with my St. Gallen tax return?
Absolutely. We can file for an extension or offer express service.
Can I handle everything online with FIN?
Yes. From checklists to final submission — digital and personal.
What about joint accounts if we're not married?
Typically split 50/50. Each holder must declare their share of capital and returns.
Are gifts and inheritance taxable in St. Gallen?
They must be declared — with full details of giver, amount and date.
How much does it cost?
We offer flat rates tailored to your needs — with full transparency, starting at CHF 280.
Do you offer independent investment advice?
Yes, we provide independent investment advice based on your goals, risk tolerance and financial situation, without promoting specific products.
What types of investments do you recommend?
We recommend a broad range of investment options, including funds, ETFs and other diversified instruments, always tailored to your individual needs and preferences.
Do you manage investments or only advise?
We do not manage assets or engage in daily trading. Instead, we help you decide whether to delegate asset management or manage your investments yourself. We act as your sparring partner, supporting you with strategy and decision-making.
Can you review my existing investment portfolio?
Yes, we can review your current investment portfolio, assess its suitability and suggest improvements to better align with your goals.