This is up on the UK industry’s average of 30.2% (according to Campaign/IPA statistics, and is 20% higher than the Campaign/IPA target for every agency to have its senior leadership team made up of at least 40% women.

Omnicom has released the figures today, on International Women’s Day, to coincide with its third annual Omniwomen UK Leadership Summit, a training day designed to increase the influence and number of female leaders across the network.

Since the launch of Omniwomen UK in 2015, female representation in senior management across Omnicom companies has increased by 20%, up from 40% two years ago.

"Creating a strong, diverse and inclusive leadership team is critical for the future of our business and for the industry in general," said Emma Sergeant, this year’s chair of Omniwomen UK and the president Europe of the DAS group of companies at Omnicom.

One initiative the agency has launched is a mentoring app connecting senior female leaders with junior female staff to share their advice during a three-month programme covering issues such as confidence, leadership and being a parent. The app is currently being trialled with 240 women.

Meanwhile research by Flamingo found that 90% of people believe that new forms of leadership are the key to gender equality in the workplace.

Sergeant said: "Throughout the network we are making great strides to help women achieve their full potential at work.

"To do this, it’s essential to foster an environment where women feel they don’t need to conform to "traditional" leadership stereotypes to be successful, but instead can be their true selves, which in turn will create a more inclusive generation of leaders and positive role models."