Posting Staff to Switzerland? Salary Mistakes Employers Make

For foreign employers, one of the most expensive Swiss posting mistakes is assuming that a successful notification has approved the employee's salary package. Swiss controls can look behind the form and home-country payroll. Errors in pay, allowances, expenses or accommodation can lead to back-pay exposure, inspection costs, fines or exclusion from providing services in Switzerland.

This article is for non-Swiss employers and HR, mobility, legal and compliance teams planning work in Switzerland. It explains the separate immigration and labour-condition checks, Swiss wage comparisons, allowance and accommodation risks, and the evidence to prepare before travel.

1. A Swiss Notification Is Not Salary Approval

A confirmation under the posted worker notification procedure shows that a notification has been submitted and processed; it is not salary-compliance approval. Employers should separate two questions: whether the worker may perform the planned activity under notification or needs a Swiss posted worker permit or other permit analysis, and whether the worker receives the Swiss minimum working and pay conditions applicable to the assignment.

Under the Agreement on the Free Movement of Persons (AFMP / FZA), eligible cross-border services by posted workers from an EU/EFTA-based undertaking can use notification for up to 90 effective working days per calendar year. A third-country national posted by such an undertaking must generally already be durably integrated into the regular EU/EFTA labour market; SEM says this is generally met after at least 12 months on a standard or permanent residence permit there. The SEM notification rules should be checked against the employer, worker, activity, duration and service structure.

For UK-based services, the Switzerland-UK Services Mobility Agreement facilitates qualifying services up to 90 days and is currently valid until 31 December 2029. It does not cover a UK national recruited directly by a Swiss employer. Services beyond the relevant 90-day framework require a work permit and, under the AFMP / FZA service route, there is no legal entitlement to that permit. Foreign staff leasing into Switzerland is prohibited. A local hire should be assessed under the Swiss work permit for employment framework rather than presented as a posting.

Borderline cases - including productive work labelled as a business visit, local hire presented as posting, labour leasing, or mixed-nationality teams - should be reviewed before travel.

2. Swiss Posted Worker Salary Rules Cover More Than Base Pay

The Posted Workers Act framework is not limited to base salary. Foreign employers must guarantee the working and pay conditions prescribed by Swiss federal legislation, Federal Council ordinances, generally binding collective labour agreements and standard employment contracts with mandatory minimum pay. These include minimum pay, work and rest periods, paid holiday, occupational health and safety, protection of pregnant workers and young people, and non-discrimination.

A generally binding collective labour agreement can also impose enforcement contributions, deposits or contractual penalties. Employers must identify the rules applying to the actual Swiss activity, not simply carry across the home-country payroll structure.

There are narrow exceptions to the Swiss minimum pay and holiday requirements for work limited in scope and for certain assembly or initial installation work lasting less than eight days where the work forms part of a contract for the delivery of goods. The assembly/installation exception does not apply to construction or construction-related services, or to hotels and restaurants. Employers should not assume that a short assignment automatically falls within an exception.

3. There Is No Single Swiss Salary Figure

Switzerland does not have one universal posted-worker salary figure that can be inserted into every notification. The correct benchmark depends on the worker's actual activity in Switzerland, sector, professional classification, qualifications, experience and place of work.

Employers should map the worksite canton or location, sector, qualifications, seniority and tasks actually performed. A foreign job title such as "consultant", "engineer" or "installer" does not by itself determine the Swiss classification.

Where a generally binding collective labour agreement or a standard employment contract with mandatory minimum pay applies, the relevant mandatory rate must be identified. The SECO minimum wage calculator is designed to identify binding minimum wages for covered profiles. Where no mandatory minimum wage applies, cantonal tripartite commissions monitor local, occupational and sector-specific customary wages; SECO's national wage calculator can be an indication, but it is not itself binding and the competent tripartite commission determines customary pay.

For repeat postings, an internal wage matrix can record the worksite, sector, activity, classification, Swiss benchmark, working time, supplements and allowance treatment. Where classification is uncertain, review it before travel rather than defend a shortfall after inspection.

4. Compare Effective Pay With the Swiss Owed Pay

SECO's international wage-comparison directive compares the wage effectively paid with the wage owed in Switzerland, normally on a gross hourly basis so that different national working-time arrangements can be compared. The Swiss side of the calculation may need to include holiday and public-holiday compensation and any mandatory supplements triggered by the work actually performed in Switzerland.

A high annual package, tax-equalisation arrangement, net benefit or total assignment cost does not necessarily answer the Swiss posted-worker question. The employer needs a Swiss-comparable calculation supported by the underlying payroll and working-time evidence.

The amount stated in a notification should reconcile with the employment contract, assignment letter, payslips, proof of payment, timesheets and the Swiss wage calculation. Employers should retain the calculation behind the figure rather than treating the number entered on a form as self-explanatory.

5. Per Diems, Travel, Meals and Accommodation Are Not Automatically Salary

Allowances are often the highest-risk area. Posting expenses - including travel, meals and accommodation - must be reimbursed and do not count as salary in the minimum-pay comparison. Employers should be able to prove the costs reimbursed; where actual costs are unknown, applicable official flat-rate approaches may be used.

A payment labelled "per diem" or "Swiss allowance" therefore needs to be analysed by function. Under the SECO wage-comparison methodology, the part that reimburses posting expenses is excluded from wage, while an assignment allowance remaining after the expense element may have wage character. Labels are not decisive, and unsupported expense treatment can reduce the amount recognised as effective salary in a control.

Payment or deduction	Swiss compliance treatment to check
Base salary	Usually part of effective wage, subject to the gross-hourly comparison
Mandatory supplements	Check whether Swiss overtime, night, Sunday, public-holiday or other supplements are triggered
Bonus or premium	Assess whether the payment has wage character and is attributable to the relevant period
Per diem	Separate the posting-expense element from any genuine assignment allowance
Travel, hotel and meal costs	Evidence reimbursement separately; these posting expenses do not count as salary
Accommodation charged to the worker	Check whether the employer is in fact bearing or reimbursing posting-related accommodation costs
Expatriate allowance	Analyse its real function rather than relying on the label

Receipts, a documented per diem methodology, payslip line items and the assignment policy can help explain the treatment. These are examples only; the precise evidence required depends on the route, canton, sector, timing and any inspection context.

6. Accommodation Must Be Reviewed Separately

Accommodation is not only a payroll issue. The Posted Workers Act requires employer-provided accommodation to meet the usual standards of hygiene and comfort. The employer should also be able to show how posting-related accommodation costs have been borne or reimbursed.

Employers should document who arranges and pays for accommodation, any amount charged to the worker, and the nature of the lodging. Hotel bookings, leases, invoices and payment records may be relevant. Group accommodation and site-based postings should be reviewed before the worker arrives.

7. Build an Inspection-Ready Wage File Before Travel

Swiss controls are easier to manage when immigration and payroll records tell the same story. An assignment file should include, as relevant, notification or permit material, the contract and assignment letter, the Swiss wage benchmark and calculation, payslips and payment evidence, working-time records, expense methodology and evidence, and accommodation records.

This evidence matters because Swiss authorities and enforcement bodies can inspect compliance with minimum working and pay conditions. Violations of minimum pay and working conditions can lead to administrative fines of up to CHF 30,000 or exclusion from the Swiss market; serious cases can involve both, and repeat exclusions may last up to five years. Inspection and procedural costs, collective-agreement penalties and other consequences may also arise.

Before the first day of work, confirm the route, identify the Swiss benchmark, separate wage from posting expenses, test working-time assumptions and assemble the evidence.

8. Contact Our Immigration Lawyers In Switzerland

Our specialist Swiss immigration lawyers can help employers separate notification or permit eligibility from posted-worker salary and working-condition compliance, review wage, allowance and expense structures before staff travel, and prepare evidence for notification filings, inspections or subcontracting-chain controls.

To arrange an initial consultation meeting, contact Richmond Chambers Switzerland by telephone on +41 21 588 07 70 or complete our enquiry form.

9. Frequently Asked Questions: Swiss Posted Worker Salary Rules

Does a Swiss posting notification approve the employee's salary?

No. A notification confirms the use of the relevant notification procedure; it does not amount to approval of the worker's salary or working conditions. Wage compliance must be assessed separately under the Swiss rules applying to the assignment.

Is there one minimum salary for posted workers in Switzerland?

No. The applicable benchmark depends on the activity, sector, classification and place of work, and may come from a generally binding collective labour agreement or a standard employment contract with mandatory minimum pay. Where no mandatory minimum applies, customary local, occupational and sectoral pay remains relevant.

Can per diems count towards Swiss posted worker minimum pay?

Not simply because they are called allowances. The part reimbursing travel, meals or accommodation caused by the posting is an expense reimbursement and does not count as salary; a genuine assignment allowance remaining after the expense element may have wage character under the SECO comparison method.

Must a foreign employer reimburse travel, meal and accommodation costs?

Posting-related travel, meal and accommodation expenses must be reimbursed and kept separate from salary for minimum-pay purposes. Employers should retain evidence of the costs and the reimbursement method, subject to any applicable collective-agreement or official flat-rate rules.

How is a posted worker's salary compared with Swiss pay?

SECO's international comparison normally tests the wage effectively paid against the wage owed in Switzerland on a gross hourly basis. The calculation may also need to reflect holiday, public-holiday and other mandatory supplements triggered by the Swiss work.

Can short installation work be exempt from Swiss minimum pay rules?

There are narrow exceptions for work limited in scope and for certain assembly or initial installation work lasting less than eight days where it forms part of a goods-supply contract. The assembly/installation exception does not apply to construction or construction-related services, or to hotels and restaurants, so the facts should be checked before relying on it.

What records should employers keep for a Swiss posted worker inspection?

Useful records can include the notification or permit material, employment contract and assignment letter, Swiss wage calculation, payslips and payment evidence, working-time records, expense methodology and receipts, and accommodation records. These are examples only; the appropriate evidence depends on the route, canton, sector, timing and inspection context.

This article summarises Swiss immigration law and guidance at the date of writing. Individual facts, evidence, cantonal handling and procedural positioning may affect the outcome. It is provided for general information only and does not constitute legal advice.