316 N. Milwaukee St. Suite 350 Milwaukee, WI, 53202


Monday - Friday 8am–4:30pm

Celtic is a full-service advertising agency that takes pride in a collaborative approach to working with clients. In fact, we call our clients "brand partners," because we see ourselves as a part of their team. Our enthusiastic, creative, and talented professionals serve as experienced and trusted advisors who help shape and share a brand's story. Celtic's custom services include everything from fully integrated long-term advertising and PR campaigns, to individual projects for brands of all sizes. For twenty-five years we've believed that delivering the best results for our brand partners is achieved when everyone truly enjoys working together. Sláinte!