String Bio is an industrial biotechnology company that delivers cost-effective and sustainable solutions by leveraging methane to create value-added commodities for animal nutrition. The Bengaluru-based startup uses SIMP (String Integrated Methane Platform), its proprietary platform, as well as areas like synthetic biology, fermentation technology, chemistry, and process engineering to produce the protein. It has already patented five of its key processes surrounding this. Initially bootstrapped, the venture closed Series A round of funding in 2019, and also received funds as part of the Biotechnology Ignition Grant Scheme. At present, String Bio’s target market consists of animal feed manufacturers, sellers, as well as owners of poultry and aquatic farms.