It's much better if you know the business practice in a certain country/region, so
you can use the proper and effective approach in recruiting the prospective of your ECA.
One thing you must remember, SFI has a zero tolerance policy on spamming. You will need to be very careful if you are contacting business by e-mail.
And these days more and more people are bothered by the practice of tele-marketing, so just be careful.