Can I enforce a non-compete clause against an employee who left on bad terms?

If the employee resigned or was dismissed for cause unrelated to gross misconduct by you, yes. However, if you terminated them without notice or cause, a court may reduce or void the clause. Courts view non-competes as 'punishment' if the employer acted unfairly. Always ensure the dismissal follows OR Article 337 requirements.

What happens if my non-compete clause is found unenforceable?

Swiss courts rarely void the entire contract; instead, they narrow the clause to what is reasonable. For example, a 24-month worldwide ban might become 12 months in Zurich. However, vague or wildly unreasonable terms may be struck out. This uncertainty damages both enforcement and employee relations—avoid it by drafting carefully from the start.

Do I need to pay the employee during the non-compete period?

Only if the clause explicitly requires it (and lasts over 6 months). Paying 50% of salary for months 7–12 is common and reduces legal risk. If you do not pay, the clause must be very narrow in scope and duration to survive challenge. Consult a lawyer to confirm your canton's practice.

Non-Compete Clause (Konkurrenzverbot) in Swiss Employment Contracts

A non-compete clause restricts an employee from working for competitors or starting a rival business during and after employment. Swiss law (Obligationenrecht) allows these clauses only if they are not unreasonably broad in duration, geography, or sector. A reasonable clause typically lasts 6–12 months post-termination, applies to the employee's actual job market, and includes compensation if it extends beyond 6 months. Disputes arise when employers overreach on duration or scope, making the clause unenforceable.

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Non-compete clauses protect your business knowledge and client relationships, but Swiss courts scrutinise them closely. An overly strict clause becomes unenforceable and signals legal risk to candidates.

This guide explains what Swiss employment law permits, how to draft a reasonable clause, and which mistakes lead to disputes. Always have a lawyer review your final contract.

What Swiss Law Permits (Obligationenrecht Article 340)

The Obligationenrecht (OR) does not forbid non-compete clauses, but allows them only if they serve a 'legitimate business interest' and are not 'unreasonably onerous' on the employee. The burden of proof rests on the employer.

Courts weigh three factors: duration, geographic scope, and sector scope. Clauses that exceed 12 months, cover regions where the company does not operate, or ban work in unrelated fields often fail. Cantons (Zurich, Geneva, Basel) may have local norms; check your chamber of commerce.

Duration: 6–12 months is standard; over 18 months is suspect.
Geography: Limit to regions where the company actually competes.
Sector: Restrict to the employee's actual role and industry.
Compensation: Required if duration exceeds 6 months (typically 50% of gross salary).
Legitimate interest: High-value roles (management, R&D, sales) are easier to protect.
Burden of proof: You must justify the clause's necessity if challenged.

A Reasonable Default Clause

For an SME in a competitive field (IT, consulting, manufacturing), a standard non-compete lasts 12 months after termination, covers your operating regions, and applies only to the employee's direct function. If the clause exceeds 6 months, offer compensation (e.g., 50% of monthly gross salary for each month of restriction).

Include a termination notice requirement: the employee must notify you of any post-employment role within 30 days. This shows good faith and gives you time to enforce the clause if needed. State clearly that the clause is conditional on the employment relationship ending on standard terms (resignation or dismissal for cause).

Duration: 12 months post-termination for senior roles; 6 months for standard roles.
Compensation: 50% gross salary per month for months 7–12 (if applicable).
Notification clause: Employee must declare new role within 30 days.
Geographic scope: Name the cantons or regions (e.g., 'Zurich, Aargau, St Gallen').
Survival clause: State that the clause survives termination for any reason except gross misconduct by you.
Severability: Confirm that if the clause is too broad, a court may narrow it rather than void it entirely.

Common Mistakes That Cause Disputes

The most frequent error is setting a duration of 18–24 months for a junior employee in a low-skill role. Courts then void the entire clause because it is disproportionate. A second mistake: applying the same clause to all staff, from receptionists to engineers—this shows you did not tailor the restriction to legitimate business interests.

Employers also fail to offer compensation for clauses over 6 months, or offer compensation that is too low (below 30% of salary). This invites legal challenges. Finally, vague geographic scope ('worldwide' or 'the entire EU') makes enforcement impossible in Swiss courts, which prefer specificity.

Overly long duration for junior or low-risk roles (courts reduce or void).
Blanket clause applied to all employees without job-level differentiation.
Inadequate or missing compensation for restrictions over 6 months.
Vague geography ('worldwide') instead of specific cantons or regions.
Clause survives even gross misconduct by the employer (perceived unfairness).
No notification requirement—makes enforcement harder and damages trust.

Frequently asked questions

Can I enforce a non-compete clause against an employee who left on bad terms?: If the employee resigned or was dismissed for cause unrelated to gross misconduct by you, yes. However, if you terminated them without notice or cause, a court may reduce or void the clause. Courts view non-competes as 'punishment' if the employer acted unfairly. Always ensure the dismissal follows OR Article 337 requirements.
What happens if my non-compete clause is found unenforceable?: Swiss courts rarely void the entire contract; instead, they narrow the clause to what is reasonable. For example, a 24-month worldwide ban might become 12 months in Zurich. However, vague or wildly unreasonable terms may be struck out. This uncertainty damages both enforcement and employee relations—avoid it by drafting carefully from the start.
Do I need to pay the employee during the non-compete period?: Only if the clause explicitly requires it (and lasts over 6 months). Paying 50% of salary for months 7–12 is common and reduces legal risk. If you do not pay, the clause must be very narrow in scope and duration to survive challenge. Consult a lawyer to confirm your canton's practice.

General information for Swiss employers, not legal advice. Have a lawyer confirm anything with legal consequences.