BNI has been proven to work for over 30 years. The philosophy is simple. BNI limits each local group to one person only from each trade/profession. Colleagues recommend each other to their contacts. Typically, they also choose to use the colleagues they know and trust themselves. BNI is an extremely effective marketing tool for every business. Over £10 million of business recorded between BNI members in Surrey over the last 12 Months.