How to get the English translation of my business documents that are in German language?

If they are on PC, install the latest version of Google toolbar.  It has translator button on it.  Just click it.

Well, there are different types of translation services available. You can get it translated by some professional translator. If you’re looking for automated translation then check out www.languageweaver.com which pioneers in translation services.

For a quality translation of sensitive business documents use professional human translator only. Low-quality translation by machine / robot will harm your brand and reputation. Try using OneHourTranslation.com translation service , it's a 24/7 translation service with over 8,000 translators, that are available at any time.

Have you tried Google translation? It can translate your local language to English at least 80% correct.

You can use human translation because you may not get the correct translation when you use google translator. As you said it is a business document the quality should be good. So make use of professional translators (translation company )