Toyota Tsusho UK Limited. Toyota Tsusho is a part of the Toyota Group of companies, the only trading company within the group. We have grown as a trading and supply company, supplying materials and services to the automotive industry around the world over the last 50 years. Toyota Tsusho identified non-Automotive industries as a specific target for growth about 3 years ago. In the current global circumstances, we recognise that most companies are looking to reduce costs wherever possible, and we feel that with our expertise in global supply chains that we can bring cost benefits to your company.