Hello, We are Ukrainian IT company. We can help You with a website. Our developers ready to build a responsive e-commerce website with an attractive UI, to sell serial numbers for different platforms. Also we will create a professional design and include all functions which You need, in particular multilanguages, sms panel, cart system, orders management system, etc.
We have a lot of experience and hight skills in PHP, Website Design, Graphic Design, MySQL, HTML, etc.
More about our experience, You can review here - https://www.freelancer.com/u/webbookstudio.
Waiting for Your valuable response for more detailed discussion. Best wishes.