The firm said selective tendering and £65m worth of contract completions so far this year has kept the firm debt free in the challenging market.

As of the end of April, T Clarke’s order book stood at £230, up from £210 in 2012, representing over 80% of target revenue for the year  ahead. Present cash balances stand at £6m.

In a trading statement ahead of announcing half year results in August T Clarke said it continued to deliver profitable results despite the background of a wave of business failures among it competitors.