Most members operate their businesses through the use of a limited company and as such, need to interact with Companies House at least a couple of times a year. As a result, we might expect to have occasional correspondence.

However, this is something we all need to be careful about as there are regular scams being perpetrated in the name of Companies House that you should be aware of.
You can read about them and see examples HERE
Such scams are not just email based. They can also include phone calls, texts and hard copy letters in the post. They can look very realistic and may well pass that first cursory look that suggests they are genuine. Please be careful.
The link also gives directions on where to send information if you receive such correspondence and the link is well worth following for the small number of minutes it will take to read the information there.