Before choosing a company for overseas money transfer, look for the exchange rate. Because each company charges different service costs as a percentage of transfer charge. Check the fee rates offered by different companies to find the best among them. You can also do a google search and ask the people who have dealt with such companies.
ExchangeRateIQ has a track of all such reputed companies along with other details. You can find information about the working of such money transfer companies on this platform.