If there is a relevant contractual relationship and the intermediary service fee is charged according to reasonable standards, it is reasonable and legal to charge the intermediary fee. The 160 yuan charged by the intermediary company belongs to their intermediary service fee, so it is legal.
Domestic service refers to the socialization, specialization and marketization of some family affairs, which belongs to the people's livelihood category. It is undertaken by social professional organizations, community organizations, non-profit organizations, domestic service companies and professional domestic service personnel to help families interact with society, build family norms, improve the quality of family life, and thus promote the development of the whole society.