Send your application to the Central Register and Information on Economic Activity Submit your application to the CEIDG on-line. Check your data in the Entrepreneurs’s Account. Register a business activity Do you want to start an activity as a sole trader in Poland? Register your business in the CEIDG Update your entry in CEIDG Are you a sole trader and your data have changed? Change the data in the CEIDG Entrepreneur’s account All official matters in one place. Learn more Log in