Mattermark For iOS We are excited to announce that Mattermark has re-launched as an independent company! Learn More → Mattermark For iOS With over 4M+ companies in your pocket, finding important information about companies has never been faster. Know Companies Lookup any company to see the most important information instantly. Be The First to Know Stay on top of company news and daily funding events. Share The Knowledge Share company profiles and funding news with your friends. Absolutely Free. Download Today.