Commercial companies are considered to be the second best player in the whole process of trading. Their contribution in foreign exchange trading is nothing less than a soul for body. These commercial and multinational companies get involved in different financial activities and these activities take place in foreign exchange market. These commercial companies basically deal in activities pertaining to goods and services. After inter-bank market, these commercial and financial companies constitute the most of the cash value that is traded in the forex exchange market on daily basis.
As inter-banks work as protagonist in determining the cash value in the market, commercial companies can also be considered responsible for the change in the rate of exchange for different currencies on long term basis. In short, commercial and multinational companies can determine the facets of forex exchange market in long run. However, it is worth mentioning that these companies don't pay a lot of attention in trading large amount of currencies which is the reason why they don't leave an impact on market's exchange rate on short term basis.