As roel_v 3 said no other country in Europe can stop you trading in another country. You must pay tax on where the business is located. Where Irish companies ar

As roel_v 3 said no other country in Europe can stop you trading in another country. You must pay tax on where the business is located. Where Irish companies are often used is to hold IP, a trading company then pays a royalty to the IP company. Where the business is located, for tax reasons is independent of registration. You need to get some professional advice on domicile of the business. Irish companies are also useful in that they are quite easy to set up and maintain. The usefulness of them compared to the UK is that Ireland is within the Euro.