Britain’s biggest investment platform, Hargreaves Lansdown, has launched its first-ever cash ISA product, offering customers the ability to save up to £1 million in a single cash product. Mark Hicks, head of active savings at Hargreaves Lansdown, said the account will offer clients a “consistently competitive savings rate”. How does Hargreaves Lansdown’s cash ISA compare to others on the market? The top easy-access cash ISA rate is almost a full percentage point higher at 4.38%, offered by Trading 212. The rate offered is certainly not poor, being significantly higher than the average no notice cash ISA rate of 2.77%, according to Moneyfacts.