BgC3

bgC3 LLC is an American research company established by Microsoft founder Bill Gates in 2008. According to the company's federal trademark registration, it is a, covering scientific and technological services; industrial analysis and research; and design and development of computer hardware and software to combat poverty.

History
The name is an acronym for Bill Gates Catalyst 3, with the number three indicating a third endeavor for Bill Gates beyond Microsoft and the Bill & Melinda Gates Foundation. It was originally established as Carillon Holdings in March 2008 and then renamed to bgC3 in July, ten days after Gates retired from day-to-day work at Microsoft.

A placeholder website with only a logo was established in October 2008; it began redirecting to gatesnotes.com in 2015.