Union | 9,853 followers on LinkedIn. Modernizing high volume hospitality - Our modern tech rewards guests, increases service speed and makes bars more money. | Union is modernizing hospitality service with the only operating system built by and for the industry. Our modern tech removes the pain points in high volume service that hold busy venues back from their best days ever. Our formula is simple; when customers don’t have to wait, their check size rises, efficiency improves and everyone is happier.