Barnhart law firm. The Firm was founded by Valerie Barnhart, Esq. Attorneys in Barnhart Law Firm practice in areas including corporate and litigation. Through the Holland & Hart Foundation and other volunteer opportunities, all members of the firm are encouraged to support local community organizations and individuals in need. As a recognized leader in business litigation and corporate law, Valerie combines strategic thinking with practical solutions to help businesses navigate complex legal challenges and achieve their Learn more about Layman, Padgett, Barnhart, Beckert & Williams LLP in Tulsa, OK, a law firm that can handle your Unemployment Benefits case. . Barnhart Law Firm is here to help you with your corporate law and business litigation cases in South Florida. Page 2. Find the right Barnhart, MO Consumer Bankruptcy lawyer from 39 local law firms. 0 of 5. Barnhart Law focuses on corporate law and business litigation in South Florida offering the best legal service without compromising personal service and attention.