A Bona Certified Craftsman is a hand-picked, proven, top level professional, trained and certified by Bona to use the complete Bona System on your hardwood floors. Devoted to Bona products systems; they have opportunities to undergo Bona training, both in-person and virtually, to keep up-to-date on the industry’s “best practices” and are tested by Bona to ensure the most beautiful and durable results possible for your hardwood floors.