This question came up this week. My first semester Dual Programme students were writing an short introduction to their employers. More than half of them started with a phrase similar to the this..

The company I am working for is called…

What’s wrong with this? The grammar is fine. However, there this is subtle difference in meaning between “I am working for” and “I work for.” The first phrase gives the impression that this is a temporary situation. In other words, you won’t be working for them in the long term. Whereas, “I work for” gives the impression that you will work for the company for a long time, perhaps for ever!