BNI (Business Network International) is the world largest business referral organization and one of the most successful business and professional organization of its type in the world.
The BNI system has been proven to work for over 29 years. The philosophy is simple. BNI limits each local group to one person only from each tradeprofession.
Colleagues recommend each other to their contacts. Typically, they also choose to use the colleagues they know and trust themselves. Many people find they do not need to advertise anymore because they have BNI.