一いち人にん会かい社しゃalso: いちにんがいしゃいちにんかいしゃMeanings1nounone-man company; sole proprietorship companybusiness›Business term for a company where a single individual is the sole owner, director, and employee. Often used in contexts of small startups or solo entrepreneurs.彼かれは一いち人にん会かい社しゃを設せつ立