> You need it in Germany, but you don't in the UK

Erm, dude....

    - Companies Act 2006
    - Companies (Trading Disclosures) Regulations 2008 
    - Electronic Commerce (EC Directive) Regulations 2002

Applies to business letters, order forms, websites, emails ....

Might not be called "imprint" in UK-speak, but its basically the same thing.