Advice please

One of the reasons I was brought to London was to improve the services we offer people via the web. At the moment, I have to say that our sites are a little old-fashioned, and don’t really serve the requirements of the groups that are engaged with us, such as providers of information about the European Union (e.g. Europe Directs), citizenship and language teachers and students of EU politics and policies. We’re starting the process and I’d love to get your advice on what I need to keep in mind when redesigning a website. Please leave your comments below, or if you’d rather help me out privately, use the contact form.