As the proud owner of a limited company, you’ll be inundated with different logins, codes, references and numbers. Perhaps the most well-known of these is your company registration number. But what’s it actually for?

In this video, Nicholas Campion, our resident company expert, covers everything you need to know about the company registration number. What it is. What it isn't. Who gets one. Who doesn’t. And what to do if you lose yours.