Ecostars is a hotel sustainability certification born in 2021 that responds to the sustainable travel trend by awarding eco-stars through a registered algorithm® that calculates the environmental impact per stay of each hotel based on three basic parameters: energy efficiency, water efficiency, and sustainable commitments (CO2, circular economy, sustainable food, social impact and animal welfare). The evaluation process is simple, free of charge, automated and statistical -based on an algorithm and comparative benchmark tables-, globally scalable, objective, unbiased and comprehensive, plus 95%+ faster than any other in the market. Due to these advantages, Ecostars has already become in few months (started Spanish and International rollout in February 2022) the largest sustainability certificate in Spain and has certified hotels in other 10 countries across Europe, Latin America and Africa. More than 600 hotels, including large chains as H10, Vincci, Abba or Ilunion have been certified, and more than 300 other hotels are currently in the pipeline. Ecostars objective is to certify 10% of EU hotels by Q1 2023, becoming the largest sustainable hotel certification of the world, and 30% of global hotels by 2025, consolidating as the sustainable hotel metric globally. Additionally, thanks to our alliances with international entities such as the World Tourism Organization (UNWTO/OMT) and the Spanish Tourism Board, and membership of Global Sustainable Tourism Council (GSTC), we have the institutional support to continue growing at exponential rates. Monetization is also a reality, proving that creating an environmental company is also compatible with developing a profitable business.