Tetrao is a Luxembourg-based fintech start-up that specializes in end-to-end AI-powered processes for financial documentation, including funds documentation, green bonds, and related legal and commercial data. The company combines generative language models, computer vision, and proprietary machine learning to automate document understanding, data extraction, and web data collection, with a strong emphasis on accuracy and human-in-the-loop validation. Their Cognita platform enables scalable annotation for training and testing data, supports multilingual documents, and aims to deliver measurable ROI and faster time-to-completion for complex workflows. Tetrao emphasizes high-quality data and responsible AI, deploying solutions across onboarding, documentation, and automated decision support for financial processes in Europe, notably Luxembourg.