As a Spain based business our accounts should be exclusively in Euros. For this when we receive invoices in other currency we need to convert it to euros.
Including a non-deductible expense in your accounts can end up in an increment of the tax liability ( when it is removed) and a fine. Find here a list of expenses that you cannot include in your books.
Making money from home is the dream of many people. New technologies make it possible. More and more companies look for self employed people to outsource many of the admin works. Here some ideas and precautions to take.