Biogas International Limited is a renewable energy and innovation company established in 2011. They specialize in designing and manufacturing sustainable, "appropriate" technology tools aimed at solving daily challenges for households, farms, and institutions. Their flagship innovation is the "Flexi Biogas" system—a portable, plug-and-play digester that converts organic waste (such as food scraps, animal dung, and market refuse) into clean cooking gas and organic fertilizer. Beyond biogas, their portfolio includes bio-sanitation systems, biogas and solar hybrid dryers, chick brooders, and climate-smart farming solutions. They focus on using locally available materials to create affordable, scalable systems that promote environmental sustainability and energy independence.