This document outlines the standards and expectations for professional lobbyists in the UK, emphasizing the importance of ethical behavior, transparency, and accountability in lobbying activities. It introduces the UK lobbying register as a voluntary framework, aiming to provide the public insight into who influences policy-making beyond the statutory register established in 2014. The document also details acceptable practices, the responsibilities of lobbyists, and the measures available for MPs and the public to address concerns regarding lobbying conduct.