B1G1 is the registered trademark and brand of BUY1GIVE1 PTE LTD,[1][2][3] a Singapore-based registered business organization, social enterprise and non-profit organization.[4]
It was registered as a Private Limited Liability company in 2007.
B1G1 operates on a subscription basis with a transaction-based charity giving model designed for small and medium enterprises (SMEs) around the world. It presents itself as an effective way to contribute to charitable organizations.[5][6][7] Through B1G1, business members can donate money to B1G1's vetted charity partners, called "B1G1 Worthy Causes".
On 5 November 2009 this trademark was filed, on 19 November 2009 this trademark was accepted and on 18 March 2010 this trademark was registered.