Europe is sixth on the list of continents in size, covering 3,800,000 square miles. 

Europe is he third most populous continent with 746,000,000 people.

Some of the nations on the continent belong to the EU, and some don't.

That said, it might help to name the country your contractor calls home.

It is probably best if you speak to your corporate lawyer and/or CPA regarding what taxes must be withheld (if any) and what else might be required if you retain the services of the person.