The Incorporated Society of British Advertisers (ISBA) was founded in 1900 for the purpose of representing advertisers. The organization currently has over 300 members. The ISBA represents users of marketing communications, media, advertising, direct marketing, sponsorship, and sales promotion. The ISBA serves advertiers through a variety of activities. These activities include serving as a channel for lobbying activities, providing information to member companies on emerging issues and trends, to assist and advise companies with their marketing communications questions. The ISBA also works to represent members concerns in key industry bodies.