Williams Mullen | 6,152 followers on LinkedIn. Since 1909, our goal has been to provide business and legal solutions to help our clients’ businesses thrive. | Williams Mullen is a regional, full-service law firm with 250+ attorneys in offices across North Carolina, South Carolina and Virginia. Since our firm began in 1909, our goal has been to provide business and legal solutions to help our clients’ businesses thrive. While we excel within our mid-Atlantic footprint, our clients find that they increasingly come to us for their legal needs across the United States and internationally.