Home»Expenses – How They» Expenses – How They Work Tax allowable business expenses reduce the amount of taxable profit the company has. Take a look at our examples explained in this useful guide to help you. To download, please simply fill in the form on the right hand side then click the arrow. If you are human, leave this field blank.Full Name *Email *Submit Everyone is happy with our refer a friend scheme. Earn £100 for each and every friend you refer! Not only that, every friend who you refer earns £100!