As I am also in the accountancy industry, I can say that however you describe yourself is of no consequence. Yes if HMRC were to ask questions then you would be best advised to say how you make a living. Its not illegal! And they have seen it all before. Usually, HMRC are grateful that a WG is actually declaring their income and paying taxes. Some, as we all know, do not, especially if they are on benefits too. If they get caught, its a double very painful whammy!