If your company or your employer pays professional fees on your behalf you will be subject to income tax on the benefit in kind. There is no such charge as long as the fees are directly related to your job, and the professional association appears on the HMRC list.
https://www.gov.uk/government/publications/professional-bodies-approved-for-tax-relief-list-3
As with all of our tax tips and web pages this information is necessarily summarised and of a general nature. If you would like detailed specific advice please contact us.