Best Isa 2025 Uk Best. The full isa allowance can be invested in cash, or split between a cash isa, a stocks and shares isa and/or an innovative finance isa as well. The best available rate on the market is an impressive 5.1% aer.
Best cash isa rates uk 2025 whether you want to lock cash in for a set time or keep it easy access, use our comparison table to find the best isa with rates up to 5%. Compare the best cash isas and cash isa rates of 2025.