Build your business with us. Since 2002, Buchanan Law Group has helped hundreds of busy entrepreneurs protect their business and personal assets, minimize legal exposures, and keep taxes to a minimum. Our secret? We enjoy what we do and are passionate about building hands-on, lasting relationships with our clients—whether they are planning a major business transaction, such as a merger or joint venture, or need business tax advice. Find out how our relationship-driven approach can help you succeed at business—without losing sight of what you're working for.. planning a major business transaction,such as a merger or joint venture,or need business tax advice.