An office or a gathering place for kabunakama (a merchant guild) was called 'kaisho,' and the officers or clerical staff who were stationed there carried out management of the guild, its member merchants and dealing commodities, including the management of common properties, negotiations with outside parties, communication and management of its member merchants, organization of meetings for crucial decisions, quality check of commodities, etc.
株仲間における事務所・集会所を会所と呼称し、役員や事務職員などが詰めて共有財産の管理や外部との交渉、所属商人との連絡や管理、重要決定を定める会合の招集、商品の品質検査など、株仲間や所属商人、取扱商品に関する管理などを行った。