
Posting employees to the Czech Republic as a foreign company requires notifying the Czech Labour Office no later than the start date, obtaining an A1 certificate to keep the employee under home-country social security, and applying core Czech labour conditions such as minimum wage and working time for the duration of the assignment.
For an Italian, Spanish or other EU company sending staff to work temporarily in the Czech Republic – for a client project, an installation, a service contract – posting employees to the Czech Republic is a distinct legal category, separate from local hiring or business travel. It comes with its own notification deadlines, its own social security rules, and its own penalties for getting the paperwork wrong. This guide sets out what a foreign company actually needs to do before, during and after a posting.
What Is Employee Posting and When Does It Apply?
Employee posting, under EU Directive 96/71/EC as implemented in Czech law, applies when a company established in one EU member state sends an employee to temporarily perform work in the Czech Republic, while the employment relationship with the home-country employer continues throughout. This typically covers service contracts, intra-group assignments, and construction or installation projects carried out by a foreign company for a Czech client.
It is important to distinguish posting from a short business trip. Attending a conference, a trade fair, a meeting or a training course in the Czech Republic – without actually providing a service there – is not considered posting under EU law and does not trigger the notification obligations described below. The distinction matters because misclassifying a posting as a business trip is one of the more common compliance mistakes foreign companies make.
Legal Obligations for the Posting Company
Once a genuine posting is identified, Czech labour law requires the posting company to guarantee its employees the same core working conditions that apply to Czech employees for the duration of the assignment, including minimum wage, maximum working time, minimum rest periods and paid leave entitlements, regardless of what applies under the home country’s own labour law. This is the core principle behind the EU posting framework: equal treatment on fundamental working conditions, even while the employment contract itself remains governed by the home country.
The obligation to notify the Czech Labour Office of the posting sits with the foreign employer, not the Czech company receiving the service, a point that has caused confusion since a 2020 legal amendment shifted this responsibility explicitly onto the posting company itself. Failure to notify, or late notification, can result in a fine of up to CZK 100,000, making this one of the more expensive compliance oversights a foreign company can make on a Czech assignment.
Social Security and Tax Implications of Posting
For social security purposes (meaning both health and social insurance), a posted employee generally remains covered by their home country’s system, rather than switching to the Czech system, provided the posting does not exceed the standard duration set out in EU Regulation 883/2004, typically up to 24 months. This is confirmed through an A1 certificate, issued by the competent social security institution in the employee’s home country, which the posting company should obtain before the assignment begins and be ready to present to Czech authorities if requested.
If a posting is expected to extend beyond the initial period, the posting company can apply for an extension, but this requires a separate written notice to the relevant regional branch of the Czech Labour Office, submitted within the original posting period and stating the reason for the extension. Tax treatment of the posted employee’s income depends on the length of stay and the applicable double taxation treaty between the Czech Republic and the employee’s home country, and should be reviewed on a case-by-case basis rather than assumed.
As regards taxation, however, the income from employment earned by a posted worker will generally be taxable in the Czech Republic. The employer, acting as a withholding agent, must therefore register as a taxpayer to pay personal income tax monthly. We should point out, however, that the tax treatment of the posted employee’s income should be reviewed on a case-by-case basis and depends on the applicable double taxation treaty between the Czech Republic and the employee’s home country.
Registration and Notification Requirements in CZ
In practice, the posting company must notify the relevant regional branch of the Czech Labour Office no later than the day the posting begins, providing details of the posted employee and the nature of the work. This notification sits alongside a broader reform of Czech employer reporting that foreign companies should be aware of for 2026: a Unified Monthly Employer Report came into effect for payroll and social security data from April 2026, and from July 2026, all employees performing work in the Czech Republic – including those posted from abroad – must be registered in the relevant system before work actually begins, not merely reported afterwards.
For foreign companies without a permanent presence in the Czech Republic, keeping track of these deadlines and system changes without local support is one of the most common sources of avoidable penalties, particularly as reporting obligations continue to be digitalised and consolidated.
Conclusions
Posting employees to the Czech Republic as a foreign company is a well-defined legal process, but one with strict deadlines and a real financial penalty for missing them. Getting the notification timing right, securing the A1 certificate in advance, and applying the correct core labour conditions are not optional formalities, they are the difference between a compliant assignment and an exposed one. With reporting requirements evolving through 2026, foreign companies should treat this as an area to review before each new posting, not a one-time setup.
FAQ: Common Questions About Posting Employees to the Czech Republic
Who is responsible for notifying the Czech Labour Office of a posting?
The foreign posting company itself, not the Czech client receiving the service. This responsibility was clarified by a 2020 legal amendment and must be fulfilled no later than the day the posting begins.
What happens if a company fails to notify the posting on time?
Late or missing notification can result in a fine of up to CZK 100,000 for the posting company. Given the low administrative cost of compliance compared with the penalty, notification should be handled before the assignment starts, not after.
Generally no, provided the posting stays within the standard duration under EU Regulation 883/2004 and an A1 certificate is obtained from the home country’s social security institution confirming continued coverage there.
Is a business trip the same as posting an employee?
No. Short business trips such as attending meetings, conferences or training, without providing a service in the Czech Republic, are not considered posting under EU law and do not trigger notification obligations.
What Czech labour conditions apply to posted employees?
Core conditions including minimum wage, maximum working time, minimum rest periods and paid leave entitlements must match those applicable to Czech employees, even though the employment contract remains governed by the home country.
Can Axevera manage posting compliance for a foreign company with no local office?
Yes. Axevera handles Labour Office notification, A1 certificate coordination and ongoing reporting compliance for foreign companies posting employees to the Czech Republic, without requiring a local HR presence. Furthermore, Axevera can also calculate the tax payable each month, based on the original pay-slip issued by the employing company.