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Restricting competition correctly: what is a non-compete clause?

Non-compete clause in employment contract: conditions, reasonableness (duration, geographic area), penalty, and what the court accepts.

Published on July 13, 2026 by MKBjuristen.nl
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A non-compete clause prohibits an employee from working for a competitor or starting competing activities after the termination of employment. Regulated by law (Art. 7:653 BW): valid only in writing, for employees of legal age, and in the case of contracts for an indefinite period without compelling business interests. A judge may limit untenable clauses in duration and scope. For SMEs: an important but sensitive instrument. Below are the conditions, reasonableness criteria, and enforcement.

The short answer

  • Law: Art. 7:653 BW.
  • Conditions: in writing, adult employee, significant interests stated in the case of a temporary contract.
  • Scope: duration (max 1-2 years) and geographical area (proportional).
  • Fine: contractual, often €5,000-€25,000 per violation.
  • Judge: may moderate or annul untenable clauses.

What does a non-compete clause prohibit?

Non-compete clause in contract

Three main categories:

  • Employed by a competitor: the employee may not work for specific competitors for X years.
  • Own competing activity: starting your own company in the same industry/market.
  • Non-compete clause:contact with employer's clients (separate, often combined).

Legal conditions

1. Recorded in writing

In the employment contract or a separate document, signed by both parties. Oral: not valid.

2. Adult employee

Under 18 years of age: no valid non-competition clause possible.

3. In the case of a temporary contract: compelling business interests

Since WWZ 2015: for fixed-term contracts, only valid with written justification of compelling business interests. Vague or standard justification: court annuls.

4. In the event of a substantially changed function: agree again

Promotion or change of position: the old clause may lapse. In the event of a major change: enter into a new clause.

Scope and reasonableness

Scope of non-compete clause

Duration

  • Acceptable: 6 months to 1 year.
  • Possible: 1-2 years for key positions.
  • Too long: 3+ years — judge reduces.

Geographic area

  • Acceptable: region, province or NL.
  • Possible: EU for international positions.
  • Too broad: worldwide without substantiation.

Sector restriction

  • Acceptable: specific industry, niches.
  • Too broad: “all business activity” — freedom of labor overburdened.

Fine amount

Contractual:

  • Regular employee: €5,000-€25,000 per violation.
  • Key position/key person: €25,000-€100,000.
  • Senior executive: €100,000-€500,000.
  • Plus actual compensation.

The judge may limit untenable fines (Article 6:94 of the Dutch Civil Code).

Judicial moderation

Employee can ask the court to limit or annul the non-competition clause:

  • Scope too broad: limit the area or duration.
  • Disproportionate severity: destruction.
  • Employer's company changes: adjustment.
  • Employee better position elsewhere: reimbursement/compensation.

The judge considers the balancing of interests: employee (freedom of work) versus employer (business interest).

Compensation for non-compete clause

Not legally required, but smart: the employer can pay compensation for the period of non-competition. Increases enforceability and reasonableness for the judge. Typically 30-50% of the last salary for the period of the clause.

Petra's practice

Petra sees many non-compete clauses that do not stand up to reasonableness:

  • “Employee may not work in the same sector worldwide for 3 years” — unsustainable.
  • Correct: “Employee may not work for competitor X, Y, Z in the Netherlands for 1 year, with compensation of 40% of the last monthly salary for that period”.

Petra adapts non-compete clause to specific position — primarily a non-solicitation clause for sales roles, and stricter for management.

Honest recommendation

Employment lawyer on non-competition clauses

A non-compete clause is a useful but sensitive instrument. Tailor it to the specific position and business interests. Keep the duration reasonable (max. 1-2 years), geographically focused, and sector-specific. For temporary contracts: justification of compelling business interests is indispensable. Combine with a non-solicitation clause and confidentiality for a complete package. In case of doubt regarding reasonableness: consult a lawyer — this prevents an unusable clause in the event of a dispute.

For other topics: NDA, legal scan of employment contract and employment agreement.

Frequently Asked Questions

What is a non-compete clause?

Provision prohibiting an employee from working for a competitor or starting a competing activity after the termination of employment. Regulated by law (Art. 7:653 BW): in writing, an adult employee, and in the case of a temporary contract, substantial interests.

What is reasonably expensive?

6 months to 1 year is acceptable. 1-2 years is possible for key positions. Longer than 2 years: the judge often moderates the penalty. In case of compensation to the employee for the period: the judge is more accepting.

Valid with a temporary contract?

Only with written justification of compelling business interests (since WWZ 2015). Vague or standard justification: judge annuls. For indefinite-term contracts: standard practice allows without additional justification.

How high is the fine?

Regular employee €5,000–€25,000 per violation. Key position €25,000–€100,000. Senior executive €100,000–€500,000. Plus actual damages. The judge may reduce untenable amounts.

What if the judge moderates?

The judge may limit the duration, narrow the scope, restrict sectors, or annul the clause entirely. In the balancing of interests: employee's freedom of labor versus employer's business interest. Clauses that are too broad are often restricted.

Pay compensation?

Not mandatory but strengthens enforceability. Typically 30-50% of the last month's salary for the period of restriction. Judges view clauses with compensation more favorably — employee less burdened.

Difference from a non-compete clause?

A non-compete clause prohibits working for a competitor or one's own company in the same industry. A non-solicitation clause specifically prohibits contact with the employer's clients. Often combined — both together provide complete protection.

Please note: an article provides general information, but your legal situation may turn out differently.

A contract, conflict, or legal risk must always be assessed based on the facts, documents, evidentiary position, and interests. Are you in doubt? Have your situation assessed before you act.

Legal question regarding this article?

A blog provides explanation, but your situation often requires a concrete legal choice. MKB Juristen helps entrepreneurs with contracts, terms and conditions, GDPR documents, employment documents, disputes, and customized legal solutions.

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SME Lawyers at the Chamber of Commerce Source: Chamber of Commerce 2019
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