About Us Detroit Attorneys Barris, Sott, Denn & Driker, P.L.L.C., have been helping business clients in Michigan for over 40 years. Call (313) 965-9725 for business litigation help. From young start ups to large corporations this law firm has built a reputation of honesty and effectiveness within the Detroit community. If you're not sure whether or not you require real estate or estate planning help, feel free to give us a call.