Well, it would be hard for the German company to claim there was no contract when they're trying to collect on it. As for US law, yes, there is enough there for

Well, it would be hard for the German company to claim there was no contract when they're trying to collect on it. As for US law, yes, there is enough there for a contract to be formed. Additionally, the CISG may apply if the contract was for goods as opposed to services. Both the US and Germany are signatories. So that poses a good question - is web and graphic design a service or are they selling you the final product as a good?