Expat Tax Advisory in Basel
Basel Tax return filing – made simple.
Want to delegate your Basel tax return to someone you trust – and who speaks your language?
With FIN, you get more than just a service: honest support, clear communication, and real value.
Tax advisory in Basel-Stadt – personal, digital, and efficient.
March 31st
Tax Return Deadline in Basel
Remember that the deadline for submitting your tax return in the Canton of Basel for individuals is March 31st.
Clarity, not complexity.
Our principle is simple: everyone deserves financial clarity and real guidance.
Basel Tax Advisory
Why delegate your Basel tax return?
Thousands in Basel rely on professional support to file their tax return, and for good reason:
- Save time and avoid mistakes with FIN
- Basel tax law changes every year
- We remind you in time for tax-saving opportunities
We handle the process for you – clearly, reliably, and without jargon.
Three Simple Steps
Initial Consultation
Step one
Tell us about your situation.
In our first, non-binding consultation, we take the time to understand your individual needs in detail.
From the very beginning, you benefit from full transparency with clear, fixed prices – without hidden fees or unexpected costs.
Document Submission
Step two
Your personal checklist is automatically created by Smart eTax based on the information you provide.
Through our client portal with two-factor authentication, you can securely access and manage your documents in the Swiss cloud.
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 good tax advisory goes beyond paperwork.
Tax Advisory in Basel – the way it should be.
We support you personally – at every stage of life. Our services at a glance:
Basel Tax Declaration
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From your first contact to secure document upload via Smart eTax – we guide you throughout.
We review your final tax assessment and closing invoice from the Basel Tax Office.
You focus on what matters – we handle the rest.
Personalised Tax
Planning
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Tax is personal. We know that. That’s why we bring deep expertise and clarity to every conversation. With FIN, tax planning becomes an opportunity, not a burden. Start early, stay ahead.
Cross-border & Expat Tax Advisory
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Yes Please. The international context is our daily bread and butter.
We understand how to deal with the requirements of foreign citizens (expatriates).
- Employee share ownership plans (ESOP/PSOP)
- Real estate abroad
- Other income from abroad
- Assets abroad
- Flat-rate taxation
We expertly guide you through your tax return in Basel-Stadt and Baselland.
Financial Planning
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After taxes come the bigger questions. With FIN, you benefit from holistic advice and one advisor for all financial matters.
Clear & Flexible Packages
With FIN, you always know what to expect. Our flat-rate model adjusts to your situation and
is made of transparent components.
Basic Package
Make the most of all available tax deductions.
- Tax return filing
- Deadline extension
- Add-ons based on complexity
from CHF 280
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
- Objection process support
from CHF 1’180
All Inclusive
Moving to Switzerland or not — we’ve got you covered.
- Everything from Premium
- Priority processing
- No extra charges
from CHF 4’800
Additional Services
Mid-year tax filing
CHF 150
Non-Zurich canton surcharge
CHF 100
Dual income
CHF 200
Inter-cantonal property allocation
CHF 200
International asset allocation
CHF 200
Real estate per property
CHF 150
Real estate cost breakdown
CHF 250
Asset declarations
(e.g. bank accounts)
CHF 10 per item
Alimony
CHF 50 per item
Self-employed Form A
CHF 150
Form DA-1
(foreign withholding tax)
CHF 200
Basic representation
CHF 400
Full representation incl. objection
+CHF 600
Priority turnaround
(within 5 days)
CHF 200
Urgent cases
Double rate
Withholding tax rate correction
from CHF 300
ANOBAG salary certificate
CHF 350
Hourly Consulting
CHF 350
Truly Independent Financial Advice
Find your North
Star
We believe true financial advisory – it’s about understanding where you want to go.
Meet FIN in an initial consultation — and let us get to know you. Together, we’ll find your North Star from where you stand in life.
Transparent, tailored to your needs, and always by your side.
Frequently Asked Questions—
Tax Advisory in Basel
Here’s what people often want to know before getting started with FIN.
Do I need to declare foreign income and assets in Basel?
Yes. If you live in Switzerland, you must declare your global income and assets – including foreign accounts, property, and dividends.
What if I pay withholding tax in Basel?
If you earn more than CHF 120,000/year, you must file a tax return.
Below that, you may benefit from a refund via a retroactive ordinary assessment (NOV).
What happens with my Basel 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 31 of the tax year.
Can I file the Basel Tax Return online?
Yes. Use “EasyTax Basel or ETAX Baselland” or submit in paper form.
What happens if I miss the deadline?
Without an extension, you may face fines or an estimated assessment – often to your disadvantage. Act early.
Can FIN help if I’m late with my Basel Tax Return?
Absolutely. We can file for an extension or offer express service.
Do you also help with budgeting and financial
organization?
Yes, we assist you with budgeting, financial organization, and
developing strategies to manage your finances more effectively.
Can I do everything online with FIN?
Yes. From checklists to submission – digital and personal.
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?
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 Basel?
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.
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.
