 Some providers charge a fee for transferring to another provider.The built-in annual "re-registering" of an ISA may attract a fee which may be automatically extracted from an account, though this is normally done only by firms specialising in share deals, not those using funds or both funds and shares.Stocks and shares ISA fund supermarkets often reduce some or all of the initial and annual charges made by fund houses to below the level paid when purchasing direct from the fund provider, often to zero initial charge.