E.On is one of the top energy companies in the world and not UK alone. Their website gives you details elaborately on their business and all other activities. Not only can you pick up a plan but also learn to be aware and save energy and money on bills. There are tips and advice like the Central Heating Advice Guide. Customers get a lot of 'Help and Support' both online and otherwise. A customer need only to sign-in or register, for online account management with 24/7 access, to get all benefit. It also helps business customers, categorised into 'Small to Medium energy user' to 'Large energy user'. The customer can view plans online, get quotes online, or view their products to help them decide on their energy planning. The company personnel are available online or by calling on telephone also. Switching your energy requirements to E.ON is also quick and easy. They provide expert advice for businesses too and help manage the account to benefit the customer. One can choose from the Business Gas Plan and the Business Electricity Plan. There is help through Twitter too. You can read on the 'Standards of Service' online to know about Guaranteed Standards, Codes of Practice, 'more accurate bills' and 'staying connected'. The published codes can be downloaded on PDF format.