Piano maker and music seller at 7 Princess Street, Hanover Square.  He had a partnership with Johannes Zumpe from 1769 to 1778.  Traded as Gabriel Buntebart before partnership with Christopher Seivers about 1788 when the firm became Buntebart & Seivers.  Seivers died in 1793 and Buntebart traded alone until his death in 1794.  Thomas Henry Schrader was his foremen from about 1784.  Buntebart referred to himself as pianoforte maker to Queen Charlotte.  In his Will he left his “tools of the trade” to Thomas Henry Schrader who continued to trade at 7 Princess Street, Hanover Square.