In the UK, use this: https://www.aa.net.uk/ I'm not affiliated with them in any way. They just have a great reputation for good technical knowledge, privacy, and support.
AAISP have been sponsoring our Hackspace's internet for a number of years now and we find them fantastic, friendly and knowledgeable - and they even implement xkcd#801 compliance. Further more, their stance on internet censorship is laudable ("The Government says we have to offer customers a choice of censored internet. So here's your choice, if you want censorship pick another ISP.")
> The company's owner, Adrian Kennard (RevK), stated in a blog post that as of October 2010 the company is "xkcd/806" compliant, referring to xkcd comic number 806. This means that technical support callers who say the code word "shibboleet" will be transferred to a technical support representative who knows at least two programming languages, and presumably can offer more useful advice than a standard tech support script.