Closer | 837 followers on LinkedIn. The next-gen AI-powered conversational sales platform. | Closer is an end-to-end customer relations platform. Multi-channel and multi-device communication is a benefit we’ve become used to in our private lives, and now it’s time to have that benefit in our customer-to-business communications. AI-powered, contextual and transactional, Closer takes the customer's experience to the next level, increases efficiency and improves conversion rates.