Oxygen Accelerator is an intensive 13 week programme that provides mentoring, tools, hands-on support and up to €21,000 in investment for early stage tech startups. If you have a product launched with customers and are looking to take your startup to the next level with the most intense, game-changing three months of your life, we want to hear from you. Oxygen Accelerator is one of the programmes run by Oxygen Startups. Tech Startups and Business Growth