The accountancy and advisory firm said it raised dividend by seven per cent to 1.6 pence per share.
"Organic sales growth and margin improvements are now our key aims for 2011 and 2012," the company said in a statement.
The company, which moved to London's main market in May, said July-June adjusted pretax profit was £24.1m ($37.74m), up from £17.6m a year ago.
Turnover rose 26 per cent to £190.4m.
The company bought professional services firm RSM Bentley Jennison for about £76m in December 2009 and some assets of Vantis for up to 6.8 million pounds in June.
Net debt at June end rose by £22m to £43.1m from a year ago.
RSM Tenon said it increased the bank facilities by a net of £36.5m to £80.5m in the year.