Where IR35 applies, the fees paid by the client to the consultant are considered work income and are subject to income tax and social security contributions (« NIC »). The payment terms of a contract are also incredibly important, as they help separate payments to an employee and pay another business venture. Therefore, payment should always be subject to the issuance of invoices. While fixed-price projects are preferable when it comes to attracting new clients and projects, there are a large number of individual contractors and professionals who calculate an hourly or daily rate without compromising their self-employed status. So, if that`s the way you chose to set your prices, then that`s completely acceptable. A person can be employed and self-employed at the same time, for example when he works for an employer during the day and has his own shop in the evening. In most cases, labour law does not cover self-employed workers because they are their own boss. Rocket Lawyer`s consulting contract sets out all the terms of the agreement, for example. B the time a consultant will devote to the project, how much they will be paid, and contains confidentiality and intellectual property clauses. . . .