ISO 21001 Self Evaluation Sign UpThe cost is £25 per year. After payment is complete, you will receive and email with login details and be taken to the page to start your self assessment. You will be taken to the secure PayPal payment site once you click ‘Submit’.We treat all details with extreme confidentiality. Your details will NEVER be shared with anyone else or used for marketing. They are only gathered in order to produce your personalised Self Assessment Report.