Maybe you can consider to cooperate with us - Nova Software.
Nova has been accumulating abundant experience in nopCommerce and focusing on .NET development ever since 2005. Up to now, we have done 100+ nopCommerce projects.
Please visit our company's nopCommerce developmentpage and other pages for more information, like our services, prices, demos, case studies, stores, recently finished projects and customers' testimonials. Also we have made some nopCommerce plugins.
Our advantage is that the unit cost is lower than that in UK, US, Australia and other European countries, so we can save your cost on software development a lot. You can leave messages on our website then we will reply immediately.
Look forward to working with you!