Once the company is registered you’ll get a "Certificate of Incorporation", this confirms that the company legally exists and shows the company number and date of formation.
Sole traders are personally responsible for their business debts, but the
liability in a private company is usually limited to the shares of the
shareholders. The liability depends on the type of company being created.
A private company limited by shares means that the members’ (shareholders)
liability is limited to the original value of the shares issued but not paid
for.
All limited companies must be registered (incorporated) with Companies House. To do this you need:
Find links to the relevant registering: www.gov.uk + search: Limited Company Formation
Any time is a good time to start a company.
– Ron Conway, Noted Startup Investor