Female directors of UK firms work longer than their male counterparts but earn on average 19% - or £14,028 - a year less, a survey by the Institute of Directors has found.

In the voluntary sector the pay gap is even greater – at 25%.

On average female director earned £60,000 and worked 51.25 hours a week in a small-to-medium company and 57 hours in a larger firm.

By comparison male counterparts had an average basic pay of £74,028 and spent on average 50 hours at work or 55 hours at a larger firm - described as one which turned over between £50m and £500m a year.

Further reading:

Gender pay gap widens as women miss out

Overview: women have a future

Recruiters welcome new female FDs