Advertising sales agents generally do the following:

• Locate and contact potential clients to offer advertising services
• Explain to clients how specific types of advertising will help promote their products or services in the most effective way possible
• Provide clients with estimates of the costs of advertising products or services
• Process all correspondence and paperwork related to accounts
• Prepare and deliver sales presentations to new and existing clients
• Inform clients of available options for advertising art, formats, or features and provide samples
• Deliver advertising or illustration proofs to clients for approval
• Prepare promotional plans, sales literature, media kits, and sales contracts
• Recommend appropriate sizes and formats for advertising

Most advertising sales agents work outside the office occasionally, calling on clients and prospective clients at their places of business. Some may make telephone sales calls as well—calling prospects, attempting to sell the media firm's advertising space or time, and arranging follow-up appointments with interested prospects.

A critical part of building relationships with clients is learning about their needs. Before the first meeting with a client, a sales agent gathers background information on the client's products, current clients, prospective clients, and the geographic area of the target market.

The sales agent then meets with the client to explain how specific types of advertising will help promote the client's products or services most effectively. If a client wishes to proceed, the advertising sales agent prepares an advertising proposal to present to the client. The proposal may include an overview of the advertising medium to be used, sample advertisements, and cost estimates for the project.