volusion.co.uk – Is a online ecommerce all in one platform type setup for making your online store, they handle your payments, hosting, site design (seems to templates available), marketting (including SEO?). They also provide SSL certificates and a fraud score order protection thing.
Pricing : www.volusion.co.uk/hosting-plans-pricing/
Services : www.volusion.co.uk/ecommerce-services/
Stripe.com – “Payments for developers” is a web based payment gateway system for developers of ecommerce sites and any other sites that require a gateway adding on. There service is more geared towards a programmer making sites or web apps for someone. They have a API thats available in different languages. They offer direct payment of transactions into your bank account so thats a plus.