Proofcheck is a multilingual AI proofreading platform and a collaborative in-browser workspace for PDFs and epubs. Their next-generation AI workflow and collaboration tool helps content creators quickly catch costly mistakes before they reach audiences. Proofcheck is headquartered in Vienna, Wien and was founded in 2022.

Celebal Technologies is a premier software services company in the field of Data Science, Big Data and Enterprise Cloud. Celebal Technologies helps you to discover the competitive advantage by employing intelligent data solutions using cutting-edge technology solutions that can bring massive value to your organization. The core offerings are around "Data to Intelligence", wherein we leverage data to extract intelligence and patterns thereby facilitating smarter and quicker decision making for clients.With Celebal Technologies, who understands the core value of modern analytics over the enterprise, we help the business in improving business intelligence and more data-driven in architecting solutions.