John Newth assesses the tax implications of doing work on a self-employed basis for your main employer outside of your normal job.
In a query on 11 February, Steve disclosed that an employee of a clients company worked under PAYE for three days a week for several years, but on other days had an unconnected self employed business.
Steves client decided they wanted to use the individual for some additional work, which was nothing to do with his main job but related to what he did on a self-employed basis for other people. The client company and the individual had agreed that the individual could invoice separately for the self-employed work.
Steve had suggested that the additional work was really nothing more than additional hours/overtime to the employment and should...