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Barnwell Johnson Marks is an attorney with Pennington Law Firm, LLC in Columbia, South Carolina, where he focuses his practice on telecommunications, commercial, business, and corporate and incorporation matters. From the firm’s office at 1501 Main Street, Suite 700, Barnwell helps clients navigate the legal and operational issues that arise in today’s business environment, offering practical guidance tailored to each client’s goals. His work supports companies and entrepreneurs seeking trusted counsel on matters involving business formation, corporate structure, and day-to-day commercial concerns. With a client-centered approach, Barnwell is committed to helping businesses make informed decisions with confidence. He understands that legal issues in the corporate and commercial space can affect both immediate operations and long-term growth, and he works to provide clear, responsive representation designed to keep clients moving forward. Whether advising on incorporation-related matters or addressing the legal needs of an established business, he strives to deliver effective counsel grounded in professionalism and attention to detail. Barnwell’s practice reflects a dedication to helping clients address complex legal issues efficiently and strategically. At Pennington Law Firm, LLC, he serves as a reliable resource for businesses seeking knowledgeable representation in telecommunications and business law matters throughout Columbia and beyond.