• Provides services at the Royal Bank. Includes rates, calculator, FAQs, application form and contact information. Whether you're considering buying,building or refinancing a home, Sean Doerkson, Mortgage Specialist can provide you all the information and advice you need to completely personalize your mortgage. • Gateway Mortgage is a full service mortgage broker licensed in Missouri. We specialize in first and second mortgages, debt consolidation, refinance, and bankruptcies. Shop for a loan with our interactive calculators and compare our competitive rates.