Engineering and oil & gas recruiter Orion Group saw a 15.4% rise in group turnover in 2012, with profit after tax more than doubling.

Turnover reached £355.2m, resulting in an operating profit of £12.5m, up from £8.8m in 2011.

Profit after tax jumped from £3.5m to £7.5m.

UK turnover, now making...