The Best 98 Advertising/Marketing Agency Email Examples & Designs in 2025

Every email plays a crucial role in client acquisition and outreach for advertising and marketing agencies. These agency email templates showcase your team’s creativity and expertise, demonstrating how top firms capture their audience’s attention with eye-catching visuals and sharp messaging. With designs emphasizing brand identity and storytelling that sticks, email marketing for agencies stands out as a powerful marketing and promotions tool to boost client retention. Your next agency email newsletter design should showcase your ability to inspire–after all, if you can’t market your own work effectively, how can you expect to help your clients shine?