Jobs site Glassdoor said tech, business consulting and computer firms dominate the top 10, headed by London-based Facebook.
Companies in Bolton, Maidenhead, Manchester and Wigan are included in the top 25.
Staff comments included: "Smartest people to work with - great benefits (free food for breakfast, lunch, dinner) - healthy work environment and an amazing working culture." - Facebook, internet marketing analyst (London).
"Highly-skilled and driven team with great team support and flexible working hours. Brilliant working environment. Excellent salary and benefits. Sense of fun." – Jive Software, professional services (Reading).
"MediaMath offers all the cool perks expected within the industry such as free food and drink, cool working environment and social events but it is more the empowerment you get offered." – MediaMath employee (London).
A Glassdoor spokesman said: "For some workers it is indeed about making the most amount of money, but others told us it's also about perks, such as healthcare for family, free food, a generous holiday allowance, computer game consoles in the office and even spas."
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