Hi Sir,
We are a team of 4 members having 4+ years experience in magento and its complex solutions like product import, upgrade,etc.
Hope we shall get your requirement done in timely manner with high quality.
If you are going to have new theme for magento site, we can get this job done for $60 without data transfer. Also we have themes which are working on mobile and tablet devices and they are commercial. We shall give those themes for you at free of cost. If you like to implement the same design as shopify, then the quote will be $250.
Thanks