MK Consult
In your case, if you work as a freelancer in Ukraine with a 5% tax rate and in Poland with the JDG ryczałt tax system at 12%, there is indeed a tax difference.
In Poland, the tax rate for JDG ryczałt is 12% of income, while in Ukraine you pay 5% of income. This means that in Poland you will pay more taxes compared to Ukraine. However, depending on your income and expenses, as well as how you organize your business, there may be various nuances.
It is also important to consider that in Poland there are mandatory social contributions (ZUS) that you will have to pay additionally, which also affects the overall costs.
If you have specific questions about your situation or want to learn more about taxes, let me know! What is your plan for working in both countries?