The ideal in an organization, ing to modern organizational experts, is approximately 15 to 20 subordinates per supervisor or manager. However, some experts with a more traditional focus believe that five to six subordinates per supervisor or manager is ideal.
An artist team can consists of many managers (personal managers, business managers, road managers, production managers/technical managers), a live/booking agent, a music publicist, a radio/streaming promoter, a music publisher, a entertainment attorney, and a music distributor.
However, considering that each artist typically has a team of 3 to 4 managers, each serving distinct roles, it's safe to say that the number is staggering. In the U.S., as of 2021, there are over 25,000 artist managers.
As a general rule, managers take a percentage of all income generated by the artist in exchange for their management services. Commission rates typically range from 15-25% of the artist's gross income from: Recording royalties: Sales, streaming and licensing of recorded music.
The core of the artist's team consists of publishers, record labels, concert promoters and booking agents. The Artist Managers are the grand overseer of that whole team, and they are the ones getting that band together in the first place.
In most cases its one manager. However it is not uncommon for an artist to have two “managers” but each would be assigned different roles.
Look for companies that have a track record of success in your genre and have experience working with artists at your level. Check their client roster and read reviews from other artists. You can also attend music industry events and conferences to network with managers and learn more about their companies.