500B Solutions Pvt. Ltd. is a leading expert in water and sanitation management in Nepal, specializing in faecal sludge management (FSM), urban sanitation planning, and governance enhancement. We deliver research-driven Water and Environmental Sanitation solutions for urban and rural contexts. 

With a focus on evidence-based methods, circular economy principles, and sustainable financing, 500B Solutions supports municipalities and communities adopt financially viable, socially inclusive, and environmentally responsible sanitation practices. Beyond technical solutions, we foster capacity building, public-private partnerships, and innovative business models for long-term impact, transforming sanitation systems to improve health, protect the environment, and drive economic growth.