Swiss withholding tax for foreigners is the first tax question a payroll team meets when it transfers someone from abroad. The employer deducts the tax from each salary payment and pays it over to the canton. The employee does not file a return for that income in the first instance.
This guide is written for the HR or mobility manager who runs the policy. It explains who is covered, what the employer does each month, what happens at the income threshold and which points to settle before your transferee leaves.
The short answer
Foreign nationals who hold neither a permit C nor an establishment permit are taxed at source. The employer deducts the tax from the gross salary. The employer then pays it to the canton, as a rule every month (FTA, ESTV: estv.admin.ch).
Swiss terms you will meet:
- Quellensteuer / impôt à la source: the withholding tax itself.
- Taxation ordinaire ultérieure (nachträgliche ordentliche Veranlagung): an ordinary assessment carried out after the year, in place of or on top of the deduction.
- Permit B / L: residence permit and short-term permit. Most transferees from abroad start here.
- Permit C: the establishment permit. Its holders leave the withholding system.
Who is taxed at source
The test is the permit, not the nationality alone. A person without a permit C or an establishment permit is taxed at source on employment income. This includes people who arrive from the United Kingdom, the United States, India, Germany, France, Canada, China, Japan, the Emirates or Australia.
Two admission regimes exist: EU/EFTA nationals under the free movement agreement, and third-country nationals under national law (SEM: State Secretariat for Migration). The tax treatment at source follows the permit status and does not change with the regime. The regime does decide the admission steps, so a permit review comes first. The permit finder gives a first orientation.
What the employer does
The employer becomes the collection point. That is a real responsibility, and errors in it fall on the employer.
- Identify the canton of residence of the employee, because the tariff is set there.
- Apply the tariff that matches the personal situation declared by the employee.
- Deduct the tax from each payment.
- Pay it over to the cantonal tax office, as a rule monthly.
- Report the amounts after the year in the form the canton requires.
The tariff is not a single national rate. It depends on the canton, on marital status and on children, among other factors. The employee should give accurate details at the start, because the payroll system uses them from the first payslip.
The income threshold: where the paths split
The key point for a policy is the threshold. For a permit B or L holder with income below CHF 120,000, withholding tax is in principle final (FTA, ESTV: estv.admin.ch). The employee can still ask for a later ordinary assessment.
From CHF 120,000, a later ordinary assessment is compulsory (FTA, ESTV: estv.admin.ch). In that case the employee files a return after the year, and the tax already withheld is credited.
| Situation | Withholding at source | Later ordinary assessment |
|---|---|---|
| Permit B/L, income below the threshold | Yes, in principle final | On request |
| Permit B/L, income at or above the threshold | Yes, during the year | Compulsory |
| Permit C or establishment permit | No | Ordinary taxation applies |
For the exact way the threshold is measured, rely on the cantonal guide, for example the Canton of Schwyz guide with worked examples. Cantons apply the federal framework with their own forms and deadlines.
What a later ordinary assessment changes
An assessment after the year lets the tax office look at deductions that the tariff does not capture. It also brings in assets and other income. For a transferee who owns property or investments abroad, it can change the picture. The employer does not prepare this return. A specialist examines the individual case, and the request for support is the route to one.
Read more on the return itself in tax returns in Switzerland.
Timeline for the employer
Withholding tax is linked to the other arrival steps. A late step in one area delays the others.
Before departure
- Confirm the permit route with the immigration process. See immigration support.
- Collect the personal details needed for the tariff code.
- Agree in the policy who bears the tax cost: employee, employer or a tax equalisation arrangement.
On arrival
Registration with the municipality is due within 14 days of arrival (ch.ch: ch.ch). The rules can vary by commune or canton, so confirm locally. The municipality records the canton of residence that payroll then uses. The employee brings an identity document, the residence or work permit and proof of health insurance.
First months
Basic health insurance is compulsory within three months of taking up residence. If the deadline is met, cover is backdated to the date of residence and premiums are due retroactively (FOPH: Federal Office of Public Health). Payroll does not usually collect the premium, but the insurance proof is part of the registration file.
Checklist for payroll and mobility
- Permit type confirmed for the employee and for any accompanying family member
- Canton of residence known before the first payslip
- Marital status and children recorded accurately
- Tariff code applied from the first payment
- Policy states who bears the tax cost
- Salary level reviewed against the threshold for ordinary assessment
- Employee told that a return may be compulsory
- Change of canton or permit flagged to payroll at once
Common errors
- Wrong canton. The tariff of the wrong canton produces an incorrect deduction. A move within Switzerland brings consequences of its own. See when an assignee changes canton.
- Late personal details. A tariff set without the family situation gives a deduction that does not match reality.
- Ignoring the threshold. A salary package that crosses it triggers a compulsory return, which the employee may not expect.
- Treating gross-up as automatic. Tax equalisation is a policy choice. It is not a legal default.
- Confusing tax and social security. Social security contributions run on a separate track. See payroll, social security and withholding tax and the three pillars.
Related decisions
Salary level and the cost of living shape the package. See salaries in Switzerland and the cost of living. Wider budget planning sits in employee relocation costs. Your transferee will also need a bank account to receive salary.
For a US transferee, the home-country position adds its own layer. See transferring US employees to Switzerland. For arrivals from France, see transferring employees from France.
Frequently asked questions
Who pays Swiss withholding tax?
Foreign nationals without a permit C or an establishment permit are taxed at source on employment income. The employer deducts the tax from salary.
Is withholding tax the same as income tax?
It is a method of collecting income tax. The employer deducts it during the year instead of the employee paying after a return.
Who pays it to the canton?
The employer pays the amounts to the cantonal tax office, as a rule every month. The employee does not pay the canton directly for that income.
Does nationality decide whether tax is taken at source?
No. The permit status decides. A foreign national with a permit C leaves the system.
Do EU/EFTA nationals pay it too?
Yes, if they hold no permit C or establishment permit. The admission regime differs, but the tax method follows the permit.
Do third-country nationals pay it?
Yes, on the same basis. The admission steps differ for them, and the SEM sets out the regime.
What is the income threshold?
For permit B or L holders, CHF 120,000 separates final withholding in principle from compulsory later assessment (FTA, ESTV: estv.admin.ch).
Is the tax final below the threshold?
In principle yes. The employee can still ask for a later ordinary assessment.
Must a return be filed at or above the threshold?
Yes. A later ordinary assessment is compulsory from that level, and the tax withheld is credited.
Who prepares the return?
The employee files it. Payroll does not prepare it. A specialist can examine the individual case through the request for support.
Which tariff does the employer apply?
The tariff of the canton of residence, matched to marital status and children, among other factors.
Is the rate the same in every canton?
No. Cantons set their own tariffs within the federal framework.
What if the employee lives in one canton and moves to another?
The change must be reported to payroll at once. The tariff follows the new canton. See the page on changing canton.
When does deduction start?
From the first salary payment in Switzerland, once the employee is a resident taxed at source.
How early should payroll know the canton?
Before the first payslip. Registration with the municipality, due within 14 days of arrival (ch.ch: ch.ch), fixes the canton on record.
Does the employee receive a statement?
Cantons and employers issue a statement of the amounts withheld. The format is set by the canton.
Is health insurance linked to this?
Not directly. Basic insurance is compulsory within three months of taking up residence (FOPH: Federal Office of Public Health). Proof of cover is part of the arrival file.
Can the employer absorb the tax?
Yes, as a policy choice, for example through tax equalisation. The law does not require it, and the arrangement needs advice.
Does a lump-sum policy change the position?
The policy sets who bears the cost. The tax method at source stays the same. Lump-sum taxation is a different regime for other cases. See forfait fiscal.
What about a spouse who also works?
The spouse is assessed on the same permit logic. The household situation also feeds the tariff. A specialist should review the case.
What happens if the permit changes to permit C?
Taxation at source stops, and ordinary taxation applies from then on. Payroll must be told when the status changes.
Does withholding tax cover social security?
No. Social security contributions are separate. See the page on payroll and social security.
What does the employer risk by getting it wrong?
The employer carries the collection duty. Errors in deduction or payment can lead to correction and liability under cantonal rules.
Can a referral help with payroll compliance?
Yes. The request at the bottom of the page puts you in touch with a relocation company suited to the need.