Johnson Stevens (N.I) Ltd, Global Shipping Agents in Belfast Northern Ireland Established for over 20 years, Johnson Stevens (N.I.) Ltd is an acclaimed Global Shipping Agent working from their offices in Belfast Northern Ireland. We pride ourselves on being a locally based company acting as a face of our community, in a personal and direct manner. With experience and far-reaching knowledge of the shipping trade, our loyal and returning clients put faith in us to deliver a reliable shipping solution every time.