Memorandum and Articles of Association
When registering a company you need the following items:
If required, the memorandum of association template referenced below can be used. Be aware that you cannot update the memorandum once the company has been registered.
https://www.gov.uk/government/publications/give-notice-of-subscribers-company-with-share-capital
Standard articles of association (known as ‘model articles’) can be used, these can be seen in the Companies House guidance linked below. You can write your own articles but if you do, you cannot register the company online.
https://www.gov.uk/guidance/model-articles-of-association-for-limited-companies