Dimension Data | 434,535 followers on LinkedIn. Dimension Data is a leading African born technology provider operating in the Middle East and Africa, offering a portfolio of services including systems integration, managed services infrastructure, cloud solutions, business applications, customer experience, and intelligent security solutions. We provide innovative solutions that optimise today’s evolving technology environments, enabling clients to leverage data in a digital age. Founded in 1983, and headquartered in Johannesburg, Dimension Data is a proud member of the NTT Group, one of the world’s leading information communication technology (ICT) companies, comprising a group of global technology companies.