Brand Ambassador. Testimonial Marketing: the combination of man and brand. By finding the right face for your products and services, you can gain an irreplaceable advantage for a long-term positive market image and branding: The associative transfer of your testimony’s image to your products stamps your brand with a long-term impression of credibility, trust and quality. As such, we pay particular attention to getting the right brand fit, as a testimonial is particularly effective when the promoter is similar in personality to the brand. The right to the use the name and audiovisual images is at the core of this service.