BERKSHIRE HATHAWAY revenue for the last year amounted to 1.41 P COP, the most of which — 368.30 T COP — came from its highest performing source at the moment, Insurance, the year earlier bringing 399.90 T COP. The greatest contribution to the revenue figure was made by United States — last year it brought BERKSHIRE HATHAWAY 1.18 P COP, and the year before that — 1.23 P COP.