Best Interest Rates on Uninvested Cash (September 2025)

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The Bank of England cut the base rate to 4% from 4.25% in August 2025, but some platforms will still pay you over 4% interest on your uninvested cash, to encourage you to keep it with them. Our table shows the rates that platforms offer on GBP balances in general investing accounts (eToro’s is for USD). 

We have ranked and compared UK trading platforms and investing accounts that offer the highest interest on uninvested cash balances.

Which Brokers and Investment Platforms Pay the Most Interest on Uninvested Cash?

Freetrade currently offers the most interest on uninvested cash at 5% on up to £3,000, but you need to have a Plus subscription to get it.

Other platforms, including Interactive Brokers, interactive investor and Hargreaves Lansdown, also pay competitive interest rates, but these are tiered according to account balances. IG’s rate is also good.

Interest rates have been declining across the board, but you can still get some pretty decent returns with these investment accounts.

Freetrade interest on cash
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