Claims have repeatedly been made for the importance of double-entry bookkeeping (‘DEB’) for capitalism’s development in the West, so it is valuable to explore the book-keeping and accounting practices of economically successful organizations elsewhere. Our paper reports our exploration into the original account books contained in the archive of Tŏng Tài Shēng (‘TTS’), a substantial Chinese ‘grocery / merchant-banking’ business whose surviving books span a period from the late 18th century to the middle of the 19th century. The TTS archive is the most complete and integrated surviving merchant archive from before China’s forced opening to the West in the mid-19th century. Our findings about its accounting processes and records (of which we g...