Windsor PLC today reported a first half pretax profit of £1.08m, up 18% from a £0.91m profit previously.
The company said it expects to recommend an increased final dividend for the year, up from 1.2p per share last time.
It also announced that brokerage and fees were up 12% to £7.1m from £6.3m.
Chairman David Low said: "This has been a successful period for Windsor, resulting in yet another increase in turnover and profitability and represents a fifth consecutive year of uninterrupted growth.
"Importantly, this track record has been achieved despite difficult trading conditions prevailing for much of the last five years."
He added: "With the improvement in market conditions experienced in recent months expected to continue the outlook for Windsor is good."