In 1998, Yates partnered with Kerry Kayes to form the bodybuilding supplement company CNP Professional, which marketed a Dorian Yates Approved product line in the U.S. He left the company in 2006 to form his own company, Dorian Yates Ultimate Formulas, which offers a line of protein and weight-gain supplements. He started a second company in 2010, EU Peptides, which sells peptide hormones and other pro-hormone supplements. He left EU Peptides in 2012. In 2011, Yates founded a third company, DY Nutrition, which specializes in pre-workout formulas and has released several training DVDs.