CWCC Sewald Hanfling LLC Sewald Hanfling LLC Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Consultants Sewald Hanfling LLC 1235 Elati StDenver, CO 80204 | View on Google Maps RD Seawald (303) 800-4500 Visit Site Sewald Hanfling is a Colorado-based lobbying firm founded in 2012 by R.D. Sewald and Joshua Hanfling. Member Since: 2023 Send a message to: Sewald Hanfling LLC Your Name: Your Email: Subject: Message: (Date: 9/19/2025)