How does the bonus interest work, and when is it paid?

3.In addition to your base savings rate, you may be eligible for a Sidekick bonus — a promotional rate boost designed to reward long-term savers.

Here’s how it works:

Bonus rate is applied on top of the base variable rate (e.g. 0.56% bonus + 3.95% base = 4.51% AER)
Bonus applies to balances up to £85,000
Paid monthly into your Sidekick Wallet (not added to the savings balance)
Duration: 12 months from the date of account opening
The bonus will appear as a separate line item each month

This means you’ll see two sources of interest:

If your bonus is missing or looks incorrect, reach out and we’ll double-check it for you.