BERKSHIRE HATHAWAY revenue for the last year amounted to 1.64 P COP, the most of which — 462.86 T COP — came from its highest performing source at the moment, Insurance, the year earlier bringing 368.30 T COP. The greatest contribution to the revenue figure was made by United States — last year it brought BERKSHIRE HATHAWAY 1.33 P COP, and the year before that — 1.18 P COP.