Yes, there are limits on transactions.

Incoming transactions:
Payments into your account are uncapped unless they would increase your maximum balance. Limited companies have a maximum balance or £100k (£50k for sole traders)

Outgoing transactions:
For Faster Payments there's a limit of £10,000

Card transactions:
Single transaction limit of £10,000
Weekly limit is £20,000
Monthly limit is £50,000

Cash withdrawals
Daily limit is £500 per day and £4,000 per month

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