The fortune of Ralph Dommermuth primarily lies in the United Internet AG. It is a leading German company that provides internet access. The company mostly serves the home users as well as small and medium sized enterprises. It also provides web storage and hosting along with marketing and email services for online advertisers.
In the year 2014, United Internet with revenue of three billion dollars annually made an announcement of two important investments. It made a payment of about 746 million US dollars cash for lifting the stakes in the second most biggest fibre optic network of Germany, Versatel GmbH. It raised the stakes from twenty five to hundred per cent. It paid $445 million in cash along with an additional amount of $135 million for the equity participation of Global Founders Capital Funds.