
Belgium | Van Olmen & Wynant
Employment law firm Belgium
Belgium has one of Europe’s most densely regulated labour markets, where legislation, collective bargaining and case law together shape every employment relationship. L&E Global helps international employers understand their obligations and manage their Belgian workforce with confidence, combining local expertise from Van Olmen & Wynant with coordinated cross-border support wherever your business operates.
Your international employment lawyer in Belgium
Why employers need careful guidance in Belgium
Belgium has extensive and strongly protective labour laws, enacted by Parliament. Alongside legislation, collective bargaining between the social partners — the employers’ organisations and the trade unions — plays a decisive role in shaping the rules that govern the workplace, at national, sector and company level. For employers this means statutory provisions are only part of the picture: the collective labour agreements that apply to a business can add further obligations, and these vary considerably from one sector to another.
Case law, in particular that of the Supreme Court and the Constitutional Court, also has considerable influence on how employment law is applied in practice. Disputes are heard by the specialised labour courts, while enforcement may be initiated by the labour inspectorate or by the tax and social security authorities. Understanding how these institutions interact is essential before taking decisions on hiring, restructuring or termination in Belgium.

International employment law firm
What L&E Global can do for your business in Belgium
L&E Global is an alliance of premier employment law firms, giving international employers a single point of access to specialist counsel in each jurisdiction. In Belgium, that expertise is provided by Van Olmen & Wynant, a leading employment law boutique. Whether you are entering the market, adapting your workforce or resolving a dispute, you receive practical, employer-focused advice that is firmly grounded in Belgian law and alert to the collective agreements that apply to your sector.
What sets the alliance apart is coordination across borders. Employers rarely face a purely local question: a Belgian restructuring may need to align with decisions elsewhere, and remote-working arrangements increasingly span several countries at once. L&E Global connects your Belgian advice with the same standard of support in other jurisdictions, giving you consistency, speed and clarity whenever workforce matters cross national boundaries.
Cross-border legal guidance
For international employers operating in Belgium
International employers in Belgium usually need more than an answer to a single legal question. They need advice that fits a wider organisational strategy, takes account of group-level policies and anticipates how a decision taken in Belgium affects operations elsewhere. Van Olmen & Wynant advises multinationals on exactly this basis, translating Belgian requirements into workable steps for HR and legal teams that are often managing several jurisdictions at the same time.
That support spans the full employment lifecycle, from structuring a first hire to managing complex collective disputes. The team combines technical depth with a pragmatic, commercial outlook, and is used to working alongside in-house counsel and international advisers. Work for international employers typically concentrates on three areas:
- Litigation
- Compliance
- Restructuring
In each of these areas the emphasis is on preventing problems before they arise and resolving them efficiently when they do. Early legal input — on documentation, workplace policies and process — consistently reduces cost and risk, particularly where Belgian rules on dismissal, collective bargaining or language differ from those an employer is accustomed to in other countries.
Member | Van Olmen & Wynant
About Van Olmen & Wynant
In Belgium, L&E Global works with Van Olmen & Wynant, a specialist employment law firm based in Brussels. The firm advises Belgian and international companies, as well as senior executives, across the whole of individual and collective employment law — from employment contracts and day-to-day HR questions to dismissals, restructurings and litigation before the Belgian labour courts.
Van Olmen & Wynant is a co-founder of L&E Global, and its employment practice is consistently recognised by directories such as Chambers, The Legal 500 and Who’s Who Legal. For international employers, that means direct access to senior, highly regarded specialists who understand both the technical detail of Belgian law and the commercial realities of managing a workforce across borders.

Meet the team
Team Belgium
Chris Van Olmen
Chris Van Olmen is co-founder of the law firm Van Olmen & Wynant and head of the employment law practice. He is also co-founder and managing partner of L&E Global, an integrated alliance of premier employment law boutique firms. Chris covers all aspects of employment…
Employment law in Belgium
Key employment law considerations in Belgium
Belgium’s employment framework rewards early attention to detail. The precise rules that apply depend on the relevant collective labour agreements, the location of the operating unit and the nature of the business, but a number of themes consistently require careful handling. Getting these right from the outset avoids costly corrections later and keeps the employment relationship on a sound footing.
The areas below are among the most important for international employers. Each is governed by a combination of statute, collective agreements and case law, and several carry formal requirements — such as Belgium’s stringent language rules for employment documents — that can render a non-compliant document void. The links set out each topic in more detail.
FAQ
Common employer questions
Below are answers to some of the questions international employers most frequently ask about employing staff in Belgium. They offer general guidance only; for advice on a specific situation, our Belgian team is happy to help.
Yes. A foreign company can employ staff in Belgium without first incorporating a local entity. In practice this means registering as a foreign employer for Belgian social security purposes, filing the mandatory Dimona declaration for each employee and applying Belgian employment law to the relationship.
Many employers use a payroll provider or an employer-of-record to manage these obligations while they assess the market. It is worth taking advice early, however, as sustained activity in Belgium can create tax or permanent-establishment exposure that a purely payroll-based arrangement does not resolve.
An indefinite-term, full-time contract can in principle be agreed orally, but relying on this is rarely advisable. A written contract provides certainty on the essential terms and is required in order to rely on a number of clauses that employers commonly want to include.
Several arrangements must be in writing to be valid, including fixed-term and part-time contracts, teleworking arrangements, non-compete clauses and student contracts. Belgium’s language rules also determine the language in which the contract and related documents have to be drawn up, depending on the operating unit.
As a rule, terminating an employment contract in Belgium does not require prior administrative or court approval. Statutory notice periods are calculated on the basis of the employee’s seniority, under the harmonised rules that apply to blue- and white-collar staff alike.
Notice may be worked or bought out through an indemnity in lieu. Employees also have the right to ask for the concrete reasons that led to their dismissal, and specific protections apply to certain categories of staff, so each termination should be assessed on its own facts.
Belgian employment law is largely federal, so the core rules on contracts, working time and dismissal apply across the country. In that sense the substance of the law does not change from one region to another.
Language, however, does. Employment documents and communications must be in Dutch, French or German depending on the location of the operating unit. The sanction for using the wrong language ranges from nullity of the document to its replacement in the Brussels and German-speaking regions, so the rules matter in practice.
Yes. In Belgium, L&E Global works with Van Olmen & Wynant, a specialist employment law firm based in Brussels and a co-founder of the alliance.
The firm advises domestic and international employers across the full range of individual and collective employment law, and can coordinate with L&E Global member firms in other jurisdictions whenever a matter extends beyond Belgium.
Van Olmen & Wynant advises clients in Dutch, French and English, reflecting Belgium’s multilingual legal environment and its substantial international client base.
This means international employers can receive advice in English while ensuring that their employment documents comply with the Belgian language that applies to the relevant operating unit.
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Employment law firm Van Olmen & Wynant
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