Thanks for your answers. Taking your circumstances into consideration, it looks like the most suitable service for you is Self-employed +

Self-employment+ is our market-leading service that provides you with the flexibility of working as a contractor, with the benefits of being a full-time employee.

Apply for free now, or find out more by clicking here.  You will also receive an email with a password to login again, which you can use to come back and apply another time.  The password will expire in 30 days.