DA Lawyers | 3,364 followers on LinkedIn. The combination of local power and international professionalism | act DA Lawyers specialises in all areas of law related to business. A deep knowledge of the industries in which it works is the value the firm provides to clients, and allows it to offer a bespoke service, tailored to its clients’ needs. Most of DA’s clients are companies, public and private, national and international, that require legal advice to protect their interests in certain situations, or that may require some support of a legal nature in every administrative proceeding that the company goes through.