Background: Commerce over the Internet has exploded in recent years. For many companies it has become a necessity to offer their products overthe Internet. This new market ought to change the conditions for relations between customers and suppliers. Purpose: Our aim is to describe and analyse the factors that influence the relations between customers and suppliers, from a customer view, when commerce is conducted over the Internet.Delimitations: The study is limited to B2B commerce with IT-products. Methodology: The thesis is based on a study of the company IMS, their e-commerce site and organisations that buy IT-products over the Internet.Conclusion: Internet opens up new possibilities for custom designed offers.