From zero to a established business is quite hard to make. You know business is all about to excute the ideas you have. All you need to be careful and sincere to execute your plan to achieve the goal. There is a person named Sabri suby who established australia's most successful digital marketing agency named "king kong digital marketing". The company has made over $4 million in last two years by providing what the companies seek. The company saw a real gap in the market for an agency that would actually multiply a clients marketing spend into ROI. No 'wishy washy branding campaigns' but actual real revenue generation and customer acquisition. That was the key point of success of king kong digital marketing agency.