Last year, the global outsourcing market was valued at at 85.6 billion US dollars. A notable part of this market, outsourcing software development is not subsiding either.
cool too see Poland and one Ukrainian company there.
Not sure about your ranking algo though. Because there at least few companies that larger/has big clients, etc.
We hope you find our rating useful. As for our methodology, you can find out more about our criteria on our website and FAQ. We include small- and medium-sized companies with up to 3000 employees in our ratings, hence, you can find various companies that work with bigger and smaller clients from numerous industries. This is done to provide larger scope for those seeking for a particular solution.