Fontem Ventures, a subsidiary of Imperial Brands PLC, is a leader in vaping technology and owns the global e-vapour brand blu. blu was founded in the USA in 2009 and is one of the original e-cigarette brands. It was acquired by Fontem Ventures in 2015. As one of the world’s most recognizable vape brands, blu offers adult smokers’ choice through high-quality e-vapour products and e-liquids.