The Nautical Institute is a non-governmental organization (NGO) with consultative status at the International Maritime Organization (IMO). Their main objective is to promote professionalism, best practices, and safety throughout the maritime industry while representing the interests of their members. The Nautical Institute offers a variety of products and services to achieve their goals.

They provide educational courses and self-study materials through their NI Academy to enhance the qualifications and competence of individuals involved in seagoing craft. They also have a comprehensive resource library and technical resources to facilitate the exchange of information and ideas in the field of nautical science. The institute encourages the formation of branches and professional groups worldwide and collaborates with government departments and other bodies to promote education and training in nautical science.

They also organize events, webinars, and publications to keep their members updated with the latest developments in the maritime industry. By joining the Nautical Institute, individuals and organizations gain access to a network of maritime professionals, valuable resources, and opportunities for professional development