When incorporating a UK limited company it is not a legal requirement to appoint a secretary. If you chose to not appoint a secretary at the time of incorporation it is still possible to appoint a company secretary at a later date if required. A company secretary can be a corporate entity or a physical person.
Companies House have a variety of forms for many different processes. When appointing a new secretary it is important to ensure the correct form is completed and submitted to Companies House. If you wish to appoint a person as your new company secretary you will need to complete the AP03 form. If you wish to appoint a corporate entity (another company) as your new secretary, you will need to file form AP04.
When you have appointed a company secretary, you will need to update the company’s statutory books (combined register).