Best social security disability attorneys in Liberty MO. Lawyers specializing in SSD and SSDI law and benefits claims. Free consultations. No attorney fees unless we win your case. At Parmele Law Firm, we've represented over 50,000 people. We know the inner workings of the Social Security Administration because founder Dan Parmele was a former Senior Staff Attorney at the SSA. All the lawyers at Parmele are zealous advocates for our clients.