Brightway Insurance - The Serio Agency Share: Insurance Visit Website Request Info 9307 Kingston Pike Suite A Knoxville, TN 37922 (865) 409-0819 About Map About Brightway, The Serio Agency, is not your typical independent insurance agency. We’re a Brightway agency, which means we have relationships with over 100 insurance companies. What's Nearby? Distance: 5 10 15 20 25 50 mi.