That is a great step and the best thing to do is to make a website that is well optimized and make sure that it has a form that people can ask questions. You can do this at a small fee per question asked. You can also start a company in a few other countries and gradually you will grow if you strategize well.
And I thought I was an overachiever. jk. First become an expert in your field with an impressive list of satisfied clients. Then hire a marketing company to take you world wide. No shortcuts on this path.