Estuaire

Estuaire is a Paris-based aviation climate data company founded in 2022 by brothers and former Airbus employees Maxime and Nicolas Meijers. The company focuses specifically on measuring and reducing aviation’s climate impact, serving airlines, airports, aircraft lessors, and other stakeholders. Its aviation data platform analyses more than 40 million flights annually, combining flight trajectories, aircraft and engine models, and meteorological data to assess CO₂, non-CO₂ effects such as contrails, ground emissions, and aircraft lifecycle carbon intensity.