In Geneva, a significant proportion of private-sector employees are taxed not through an ordinary return, but through withholding at source carried out directly by the employer. This method of collection primarily concerns foreign workers without a permanent residence permit, but also a category specific to the canton: French cross-border commuters. For the Geneva employer, it is a demanding legal obligation, whose errors have a direct impact on the employer's own liability.
This guide explains the withholding tax mechanism as it applies in the canton of Geneva, without reproducing figures for any scale: rates and thresholds are published and updated each year by the cantonal tax administration, and must always be checked at the source. Established on Boulevard Georges-Favon in Geneva, AX-Fiduciaire supports employers in the canton with this day-to-day management.
Who is taxed at source in the canton of Geneva?
The principle of withholding tax is to place the collection of income tax on the employer, rather than on the taxpayer, for categories of people not expected to file an ordinary return. In Geneva, this concerns:
- Foreign workers domiciled in Geneva holding a B permit (residence), L (short stay), F (provisional admission) or N (asylum seeker). The C settlement permit takes the person out of the withholding regime.
- Cross-border commuters holding a G permit, resident outside Switzerland and working in Geneva — a case covered further below, as the canton applies a rule of its own here.
- Directors and senior managers domiciled abroad who receive directors' fees or attendance fees from a Geneva company.
- Artists, sportspeople and speakers domiciled abroad who perform in the canton.
- Recipients of pension benefits (second pillar, restricted third pillar) domiciled outside Switzerland at the time of payment.
Once the C permit is obtained, or upon marriage to a Swiss national or C-permit holder, the employee leaves the withholding tax regime and moves to ordinary taxation, with an annual return to file.
The obligations of the Geneva employer
An employer that pays a salary to a person taxed at source becomes, in the tax administration's terminology, a debtor of the taxable benefit. This status carries several obligations in principle:
1. Registration with the cantonal tax administration
Any Geneva employer with at least one employee subject to withholding must register with the cantonal tax administration and obtain a debtor number. This step precedes the first withholding and is a condition for the validity of subsequent statements.
2. Monthly withholding from salary
Each month, the employer calculates the tax due according to the scale applicable to the employee and deducts it directly from the gross salary, before paying the net salary. The calculation base in principle includes all regular and occasional elements of remuneration (base salary, 13th-month salary, bonuses, benefits in kind), excluding family allowances and reimbursements of documented actual expenses.
3. Statement and payment
The employer sends the cantonal tax administration a statement of the withholdings made, at a frequency set by the canton, and pays over the corresponding amounts within the set deadline. In return for this intermediary role, it receives a collection commission at a rate determined by the canton and published by the administration.
4. Tracking changes in situation
The employer must apply any change affecting the scale from the month following its occurrence: marriage, birth, divorce, start or end of the spouse's activity, obtaining the C permit, change of domicile. A delay in updating the scale is one of the most frequent causes of a catch-up payment.
Choosing the scale: what determines it
The scale applicable to an employee taxed at source depends on a set of factors specific to their personal situation, and is not a choice left to the employer or the employee:
- Marital status: single, married, separated, divorced, widowed, or single-parent family.
- The spouse's activity: a married couple where both spouses work in Switzerland falls under a different scale than one where only one spouse is active.
- The number of dependent children, which modifies the base scale.
- The determining canton: for a resident, this is the canton of domicile; for a cross-border commuter, it is in principle the canton where the activity is carried out, i.e. Geneva in the case at hand.
Under the 2026 withholding scales published by the Geneva cantonal tax administration on 5 December 2025, a Geneva employer applies one of the following four scales. The digit following the letter indicates the number of dependent children (0 = none, 1 = one child, etc.):
- Scale A: single, widowed, separated or divorced without dependent children; also applicable in cases of alternating custody of minor children, cohabitation or common-law partnership without children, or a French PACS without children.
- Scales A1 to A5: if the taxpayer pays maintenance of more than CHF 12,000 per year, they may apply to benefit from these. A point of attention for the employer: these variants apply only by decision of the cantonal tax administration, never on the employee's mere declaration.
- Scale B (variants B0 to B5): married person or registered partner whose spouse does not carry on a gainful activity in Switzerland.
- Scale C (variants C0 to C5): married person or registered partner whose spouse also receives income, in Switzerland or abroad, from a gainful activity or insurance benefits. The scale assumes a theoretical income for the spouse equal to that of the taxpayer, capped at CHF 70,500 since 1 January 2026.
- Scale H (variants H0 to H5): single-parent families — a single, divorced, separated or widowed person living alone with dependent children.
⚠️ Two scales must never be applied by a Geneva employer: scale G, which concerns compensation income paid directly by a fund (accident, disability, unemployment, maternity), and scale D, which concerns the repayment of AVS contributions by the Central Compensation Office. These two scales are reserved for other debtors of the taxable benefit than the employer; confusing them with A, B, C or H is a scale error in its own right.
The tables detailing, for each scale and each income bracket, the applicable rate are not included in this guide: they are published annually by the Geneva cantonal tax administration and must always be checked at the source for a specific case. The administration provides a withholding tax calculator on ge.ch, which allows the exact amount due for a given situation to be determined.
The particular case of G-permit cross-border commuters
Geneva differs from most other Swiss border cantons in the tax treatment it applies to French cross-border workers. Under the Franco-Swiss tax agreement specific to the canton, cross-border commuters domiciled in the French border zone and employed in Geneva are, in principle, taxed at source in the canton — whereas the general rule of double-taxation agreements tends to tax the cross-border commuter in their state of residence. In return, Geneva pays a financial compensation to the French départements concerned, under a mechanism specific to this agreement.
This regime has direct implications for the Geneva employer hiring a cross-border commuter: scale G applies, with its own determination rules, and any change in working arrangements — partial remote working from France, change of canton of activity — must be examined carefully, as it can alter the tax attachment. These situations combine Swiss and French tax law; a case-by-case review is recommended whenever any doubt exists.
Subsequent ordinary taxation (TOU) and correction
The withholding tax regime is based on flat-rate scales, which take standard deductions into account only in a standardised way. The system therefore provides mechanisms for reverting to individualised taxation, or for correcting a one-off error.
Mandatory subsequent ordinary taxation
A taxpayer domiciled in Switzerland and taxed at source in Geneva must switch to subsequent ordinary taxation where their annual gross income exceeds a threshold set by the cantonal tax administration, or where they hold wealth or income not subject to withholding (real estate income, self-employment, income from a foreign source). The exact threshold, revised periodically, must be checked with the administration; we do not state a figure here.
Subsequent ordinary taxation on request
Below this threshold, a Swiss resident taxed at source may voluntarily request the TOU, within the deadline set by the cantonal tax administration for the year concerned. This step is worthwhile where the taxpayer can claim deductions not included in the flat-rate scale: second-pillar buy-ins, actual professional expenses exceeding the flat-rate allowance, maintenance payments made, childcare costs. The request is in principle irrevocable for the duration of liability to withholding tax.
Correcting an incorrect withholding
If the scale applied proves incorrect, two routes exist depending on when the error is identified: a correction by the employer itself, possible within a deadline set by the cantonal administration, or an objection filed by the taxpayer directly with the Geneva cantonal tax administration within the legal deadline running from notification of the withholding. In both cases, the process does not exempt the taxpayer from continuing to pay the tax withheld in the meantime.
Frequent errors observed in Geneva
- Scale not updated after a marriage, birth or change in the spouse's activity, when the update must take effect from the following month.
- Omission of a salary element in the calculation base: bonuses, benefits in kind, or a variable component not included in the monthly withholding.
- Application of the wrong determining canton, in particular when an employee changes domicile during the year without informing the employer.
- Confusion over the cross-border commuter's status, particularly in the case of partial remote working from France, which can alter the allocation of taxing rights.
- Missed deadline for requesting the TOU, which deprives the taxpayer of the ability to claim individual deductions for the year concerned.
These errors carry a real cost: the employer remains jointly liable for payment of withholding tax, and a catch-up payment can come with late-payment interest. This is why rigorous management, with scales checked at every change of situation, is essential as soon as a business employs staff subject to withholding.
What AX-Fiduciaire does
Established at the heart of Geneva, AX-Fiduciaire is familiar with the practices of the Geneva cantonal tax administration and supports employers in the canton with the full management of withholding tax: determining the scale when each employee is hired, monthly withholdings integrated into payroll and social charges management, statements and payments to the administration, tracking changes in situation and support with subsequent ordinary taxation applications. This support is part of our broader accounting and tax advisory services for businesses based in Geneva, including those in the process of formation.
Good to know: withholding tax scales and rates are published and updated each year by the Geneva cantonal tax administration. No figure reproduced on a third-party site replaces a direct check for a specific case. For any question about your situation, also compare the regimes of other cantons on our tax rates by canton page, or request a quote from our Geneva fiduciary.
Sources
Information verified on 23 September 2026. Rates and scales are reviewed periodically: check the publication date at the source before making any decision.