The best-performing firm was Bristol-based consultant Hydrock, ranked 4th out of 311 entries in the 'mid-sized' companies category. Mott MacDonald was the best-performing big firm, ranking eighth in the 20 Best Big Companies to Work For list.
In a time of acute skills shortages, many firms find the high-profile listing an extremely effective recruiting tool.
"You could easily spend £10,000 hiring two or three people through an agency," said Atkins head of recruitment Karen Wallbridge. "So if you bear in mind the thousands employed throughout Atkins in the UK [a good rating] is definitely worth its weight in gold."
A Hydrock spokesman said inclusion in the listings for the past three years has helped them attract engineers during the skills shortage, while maintaining a staff turnover rate of just 3%.
Hydrock was accompanied in the top 50 of the mid-sized category by consultants Ramboll Whitbybird and Arup, and contractor Pearce Group. Atkins and Mouchel joined Mott MacDonald
Best companies to work for
TOP 100 (mid-sized)
26th Ramboll Whitbybird
37th Pearce Group
60th Faber Maunsell
78th Birse Civils
80th Turner & Townsend
92nd Royal Haskoning
TOP 20 (big companies)
8th Mott MacDonald