I noticed that all Forex trading companies, only have one office. Their offices usually located to where they're regulated. I think it is impractical for them to have offices around the world because it's too costly to established new offices if there are people around the world who are willing to represent their company.

There are still brokers who have their offices around the world to ensure the quick assistance and support.

I think it's their choice not to have build offices aroud the world where their clients situated. It's very costly for them. Forex trading is an online investment, thus, it doesn't require their presence as long as they're assisting clients via online.