agency

noun:an organization or business that provides a particular service, often representing others or acting on behalf of a client
- She contacted a travel agency to book her vacation.
noun:the capacity of individuals to act independently and make their own free choices; personal autonomy
- The workshop was designed to increase the agency of young entrepreneurs.
noun:a legal relationship in which an agent is authorized to act on behalf of another person or entity
- The real‑estate agency signed the lease agreement for the landlord.
noun:a means or instrument through which a result is achieved; a channel for action
- Education can serve as an agency for social change.