These results exclude foreign companies that are active here as well. If this is a problem, you could remove the region and filter by industry and keyword. Next make a list of the websites of the competition. A tool like Scrapebox (http://www.scrapebox.com/) can be used to do an automated search of the websites of competitors for keywords like: Dutch, Nederlands, Niederländisch, Nederland. This is indication whether they are active on the market here. Typically, during the acquisition phase more competitors will be discovered.