Elton: How do I get an outside line? how much does accutane cost per month The magazine asked consumers to rate each company according to its staff’s knowledge, attitude and ability to deal with issues. Ryanair scored two stars (out of a possible five) for each category, producing an overall rating of 54 per cent, comfortably the lowest of all 100 firms – TalkTalk, the mobile phone provider, and NPower, the energy supplier, came joint 98th with 59 per cent.