A service fee is a charge levied by companies for providing a particular service. Synonyms for the term 'service fee' include service charge, gratuity, commission, tariff, levy, and maintenance fee. A service charge is generally charged by restaurants for providing sit-down dining experiences. A gratuity is an additional charge added to a customer's bill for satisfactory service provided by waitstaff in restaurants or hotels. A commission is a fee charged by estate agents or stockbrokers for facilitating deals. A tariff is a tax charged by governments on imported or exported goods. A levy is a fee charged by governments for various purposes. A maintenance fee is a charge levied by property management companies for maintaining apartments or condos.