Firefly Green Fuels Ltd.

Founded in 2022 and headquartered in Bristol, UK, Firefly Green Fuels Ltd. specializes in creating sustainable aviation fuel from biosolids. The company has engaged in 1 deal to date, with its most recent funding round occurring on May 28, 2025. The company was founded by individuals with notable backgrounds in energy innovation.

Firefly Green Fuels is at the forefront of sustainable energy innovation, focusing on the development of next-generation sustainable aviation fuel (SAF) derived from biogenic waste, specifically sewage. The company transforms biosolids into aviation fuel, addressing the pressing need for decarbonization in the aviation sector. Their core offering is a fully sustainable aviation fuel that is designed to reduce carbon emissions associated with air travel, making it an essential solution for both commercial airlines and private aviation. Firefly targets various geographical markets, including Europe and North America, where there is a growing demand for sustainable fuel alternatives to meet regulatory requirements and corporate sustainability goals.

By partnering with airlines and fuel distributors, Firefly is poised to supply its innovative products to a broad customer base committed to reducing their carbon footprint. Firefly Green Fuels generates revenue through strategic partnerships and B2B transactions, primarily with airlines and aviation fuel distributors. The company engages in contracts where clients purchase sustainable aviation fuel on a contractual basis, ensuring a steady flow of revenue aligned with the growing demand for eco-friendly fuel solutions. Transactions are structured around long-term agreements with clients who seek to enhance their sustainability profiles, reflecting a commitment to reducing carbon emissions in aviation.

Specific details regarding pricing structures for their sustainable aviation fuel have been established in these agreements, providing clients with tailored solutions that fit their operational needs. The emphasis on innovation and sustainability in their offerings positions Firefly as a key player in the evolving energy market, particularly as the aviation industry accelerates its transition to greener fuel options.   In May 2025, Firefly Green Fuels Ltd. raised an undisclosed amount of venture funding from new investor Builders Vision.

The company will use the funding to support the further enhancement of its technology, aiming to refine its sustainable aviation fuel offerings. Future growth strategies include plans for expanding into additional markets within Europe and North America by late 2025, targeting regions with increasing demand for sustainable fuel solutions. Firefly Green Fuels is committed to developing new products to enhance its portfolio and meet the evolving needs of the aviation industry.