About Us When the going gets tough, you need a lawyer who will be there with you. You need an attorney who is willing and able to take your case as far as it needs to go to obtain a fair outcome. At Perrotta, Lamb & Johnson, LLC, we are known throughout north Georgia and the South as trial lawyers who get results for our clients. Whether you are dealing with an auto accident injury, divorce, child custody dispute, DUI or other legal concern, we are here to protect your interests with more than 100 years of combined experience. We have offices in Cartersville, Calhoun and Dalton.