Cheapest Way To Buy Berkshire Hathaway in an ISA?

Another option for accessing BH is to buy Boulder Growth and Income Fund shares (Ticker is BIF and you can buy them through a Hargreaves Lansdown account. About 30% of its assets are BH shares and the remainder is invested in large American companies of the type favoured by BH.

BIF is an American share and so to hold them as a British citizen you must first complete a W8-BEN form. You can do this easily through most on-line share dealing platforms.

The shares are currently about $10 each and it means you don't have to buy a whole BH share in order to participate in BH. I have had some for a few years now and they have done quite nicely.