Repeated attempts at Skyshuttle website and phone message says they're not taking bookings. What's up with that?
As far as I know, they went bankrupt in early 2010. My recollection is that they were only in business 2 or 3 months. I don't know why they haven't taken down their website or why their phone is still on. Last time I was in London I used Hotel by Bus, and all went well. http://hotelbybus.com/ I haven't used them, but you can also try Heathrow Shuttle: http://www.heathrowshuttle.com/
Unless your hotel is in or near Paddington, I don't recommend taking the Heathrow Express or Heathrow Connect to Paddington. It won't save you time or money. Take the tube into central London, a shuttle, or even a car service, which depending on the number of people in your party, can be more cost effective than taking a shuttle or train.
Yes they did go bankrupt after we used them in June, 2010.. We used [email protected] or "Heathrow Shuttle" in May, 2011 instead. We were very happy with them. We had personalized service between Heathrow and our Crowne Plaza Hotel, South Kensington. When we returned to Heathrow, we had to share the van with a few other peple.
Thanks, all! FYI, we wound up using Just Airports, and they were great. And so was London.