The Current Account Switch Guarantee means that your new bank takes care of closing your old account, moving your balance and switching your payments. So you don't need to worry.
Here are the participating banks currently providing exclusive offers:
The communication of Business Banking Switch offers by Royal Bank of Scotland to eligible customers does not represent an endorsement or recommendation of those offers. Customers must consider the full terms and conditions of the products offered in line with their current and future banking needs, and seek independent advice where necessary. Available offers may change or be withdrawn at any time. Customers must apply to open a new business current account with a participating bank by 28th February 2021 at the latest and have completed their switch and closed their Royal Bank of Scotland account by 30th June 2021. However, the availability of offers is subject to sufficient scheme funds being available. The scheme funds are limited and the scheme may end at any time before the planned end date. Each participating bank’s own application process, criteria and conditions apply and these may change from time to time. Neither Royal Bank of Scotland nor any third party will have any liability in relation to any decision taken by a participant bank.