FedEx and UPS supports UK. And our current implementation in eCart should work for both shipping providers. Please let us know if you come across any issue.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.