CATAGEN LIMITED

CATAGEN Limited is an after‑treatment emissions specialist that leverages its deep expertise to clean and decarbonise the air. By developing advanced catalyst and testing technologies, the company tackles one of the biggest challenges facing the global mobility sector – reducing tail‑pipe emissions – and helps its partners meet ever‑tighter Net‑Zero and climate‑change targets.

The firm’s flagship offering is its proprietary OMEGA technology, which can reproducibly mimic engine flow rates, temperatures and gas compositions, enabling the creation of world‑first solutions such as the DAAAC electric reactor. CATAGEN also provides Green Hydrogen and e‑fuel services, a developing Personalised Emissions Data (PED) platform for tracking vehicle‑level pollution, and comprehensive emissions‑testing and catalyst‑ageing services for more than 20 blue‑chip collaborators worldwide. Recent milestones include expanding green emissions testing into North America and being named a 2025 WIRED Trailblazer.

While its reach is global, CATAGEN’s engineering hub is based in Belfast, where a diverse team of scientists and engineers drives forward‑looking research and collaborates with industry leaders to accelerate the energy transition. The company’s purpose‑driven approach makes it a trusted partner for organisations seeking