The office area is different from any other industrial area. They will only meet the needs of work, but they will not provide any products or import any products, so they will not participate in the production chain. Although they have many benefits, such as no pollution, no noise and so on.

You can put them next to residential areas so that residents can walk to work nearby and reduce traffic, but they also have a bad side. They need more educated employees, which is a bit difficult to satisfy at the beginning of the game; They also provide fewer jobs than factories, which means that you need to build a larger office area to meet the demand than an industrial area with the same jobs.