Corporate attorneys are always in high demand as many large companies seek their services to guard against legal risks. On average, a corporate attorney earns $100,000 or more annually. The income is determined by a host of factors such as area, size and type of the firm, education and experience. The main duties of a corporate attorney include researching and writing briefs. They offer advice on legal policies and environmental issues. They conduct research on a variety of legal issues and represent a firm in various legal proceedings. Sound knowledge in federal, state and local laws and good communication skills are essential to become a corporate attorney.