
The Dutch Senate has officially approved the “Wet Toelating Terbeschikkingstelling van Arbeidskrachten” (WTTA). This act is a landmark development that will reshape how both Dutch and foreign employment agencies operate in Netherlands. While much of the public discussion has centered around Dutch staffing agencies, the new law’s impact extends far beyond national borders. Foreign agencies posting workers to Netherlands will soon face the same obligations, including mandatory registration and compliance checks.
This legislation marks one of the most significant reforms to the Dutch temporary employment sector in years. Its goal is to combat exploitation, level the playing field and increase transparency in the labor market. But for companies active in cross-border employment, it also signals a new era of accountability and oversight.
What the WTTA is about
The WTTA introduces a licensing system for all agencies that supply or post workers to the Dutch market. Under this new framework, every staffing or outstaffing company must register with the Dutch authorities before they can legally deploy personnel in the country.
This means that the era of free, unregulated cross-border posting is coming to an end.
Even European agencies that previously relied on the EU freedom to provide services will need to comply with Dutch licensing requirements once the WTTA takes effect.
The key objectives of the WTTA are:
- Ensuring fair treatment and pay for workers, regardless of where their employer is based.
- Preventing unfair competition caused by underregulated foreign staffing chains.
- Giving government authorities stronger tools to enforce compliance and penalize non-registered agencies.
How it affects foreign employment agencies
The implications for foreign companies are substantial. From the moment the WTTA enters into force, only registered and approved agencies will be allowed to second or post workers to Netherlands.
This means:
- Agencies from other EU countries must apply for registration before sending workers.
- Non-registered entities risk being banned from operating in the Dutch market and could face administrative penalties.
- Dutch companies hiring from unregistered foreign partners may also be jointly liable which is a direct extension of the chain responsibility principle.
For many international staffing providers, this will require internal restructuring, documentation alignment and stronger compliance controls. It will no longer be sufficient to rely on NEN 4400-2 certification or good intentions since formal authorization will become mandatory.
Impact on Dutch inhirers (end-clients)
Dutch inhirers (the companies that actually make use of posted workers) must also pay close attention. Under the WTTA, hiring from a non-registered agency will become illegal, even if the agency operates from another EU member state. This places new due diligence obligations on all Dutch employers using foreign labor.
Failing to verify registration could expose companies to fines, chain liability and reputational risk. In other words, compliance becomes a legal requirement for doing business safely and sustainably.
What companies should do now
Although the law still needs implementation details, foreign staffing and posting agencies must prepare for formal registration and Dutch inhirers must prepare to verify their suppliers’ compliance.
CIS advises all companies operating in the cross-border labor market to:
- Map out all labor supply chains to identify foreign staffing partners.
- Confirm that these partners will apply for registration under the WTTA framework.
- Review existing contracts to ensure compliance once the law comes into effect.
- Continue to monitor developments through trusted sources, such as the Dutch Ministry of Social Affairs and Employment and the Netherlands Labour Authority.
Looking ahead
The WTTA represents a structural shift in how labor mobility is regulated in Netherlands.
It ensures fairer competition and greater transparency, but it also places a heavier compliance burden on both Dutch and foreign agencies.
For international staffing providers, now is the time to act, not react. Understanding and preparing for the WTTA today will prevent disruption and potential exclusion from the Dutch market tomorrow.