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Advertising, Marketing & Public Relations


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 25 years we've believed that delivering the best results for our brand partners is achieved when everyone truly enjoys working together. Sláinte!

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


Monday-Friday: 8 a.m.-4 p.m.

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