Definitions:

1. A division or location responsible for managing tasks such as billing, payroll, accounting, record-keeping, and general administration in a company, school, hospital, or other institution. NOUN
   • The hospital's business office processes patient billing and insurance claims.
2. Refers to a department or physical space within an organization that handles administrative, financial, and clerical tasks necessary to support the organization's operations. NOUN
   • The business office houses various departments, including finance, HR, and marketing.

Synonyms:

• administrative office
• department
• finance office
• office