UpSwell Marketing is a direct response marketing agency offering print and digital capabilities. UpSwell, founded in 2020 through the merger of Muscle Up Marketing and Mudlick Mail, has more than 13 years of marketing experience serving over 10,000 clients, executing more than 150,000 campaigns, and a track record of helping clients acquire more than 10 million new customers and counting. Learn more about our work with a free marketing assessment.