EEA nationals and their family members may work and provide services in the Republic of Croatia without a stay and work permit, or a work registration certificate and after three months they will have to register their temporary stay for the purpose of work for which they will be issued a certificate.
Posted workers (EEA nationals) are workers posted to work for a limited period of time to the Republic of Croatia by a foreign employer (natural or legal person with its head office in the EEA) to perform temporary or occasional work. The workers work in accordance with the contract between the user and the foreign employer, or their employer, as a temporary employment agency, hires them out to users in the Republic of Croatia, or they are posted to work in the employer’s branch office or company in the Republic of Croatia. Posted workers may work in the Republic of Croatia for up to 90 days without a work registration certificate or a stay and work permit provided that they have an A1 certificate issued by their home country. If they want to work for more than 90 days, the EEA nationals are issued a registration certificate for temporary stay for the purpose of work
The recognition of professional qualifications established in the Directive 2005/36/EC enables the free movement of professionals such as doctors and architects within the EU. Professions such as sailors or air traffic controllers (generally) do not fall under the procedures for recognition in the Directive 2005/36/EC and are subject to special legislation, along with lawyers.
https://ec.europa.eu/growth/tools-databases/regprof/index.cfm?newlang=en
Institution
Croatian Employment Service
Ulica kralja Zvonimira 15; Zagreb 10000
Tel: +385 1 4699-999
E-mail: HZZ.Zagreb@hzz.hr
Working hours 7:30 till 15:30 (Monday-Friday)
The Croatian Employment Service is the leading institution in the Croatian labour market, especially in forming the overall supply and demand in order to reach full employment, which it achieves by effectively mediating the development of high quality services according to the clients’ needs, by acquiring knowledge, developing skills and abilities and promoting partner relations with stakeholders in the labour market.
The Service operates through offices in every major city in the Republic of Croatia, while the main office is in Zagreb. The tasks within the Service and every office are divided internally among services for employers and employees, the unemployed register and active job search and professional development.