Companies House is now usually taking around 8 working hours to form a company. If you need your company quicker than this and it's before 3pm, there is a  "guaranteed same day" option available.

Check if your company name is available
For Accountants and Other Professionals
Form your company usually in around 8 working hours ...
Choose what you need
Check company name is available and
then select your package
Enter your details
Quick and easy forms to fill in.
Can take only five minutes
Complete and Pay
Buy securely online by credit/debit
card or PayPal