Only one in 10 IT directors are women, despite the growing number of female technologists, and women earn only 84 percent of the rate that their male counterparts receive.
The figures come from The Women in IT Scorecard (PDF) conducted by BCS, The Chartered Institute for IT, alongside the Tech Partnership. The report revealed that only 17 percent of the 1.18 million IT professionals employed in the UK in 2015 are female, compared with 47 percent of the entire UK workforce.
Gillian Arnold, chairwoman of BCSWomen, explained that this lack of diversity in the upper echelons of the IT industry poses the risk of losing out on talent and affecting the success of the UK's technology sector.
"Female representation in the IT professions has changed little in the past 10 years despite significant growth in the number of women working in IT roles (up 19 percent between 2004 and 2014)," she said.
"This is just not sustainable if the UK is going to remain competitive in this field and fill its looming skills gap. Employers are missing out on 50 percent of the talent available, and we need to take action to address this as a profession and as a nation."
The number of women in technology is not a new concern for the industry, particularly after the attention paid by the likes of Intel and its $300m diversity fund, but the gender pay gap sometimes falls off the radar.
The Scorecard found that gross earnings for women come in at £650 a week, meaning that female IT specialists earn over 80 percent less than the £770 per week earned by men in equivalent roles in 2014.
Arnold noted that, even as the tide changes for women in technology, the pay gap remains unaffected.
"Industry leaders need to think seriously about the impact of the gender pay gap on the retention of women in tech. Women have such potential to contribute to our profession, and we need to prove to all that we are forward thinking and fair to all our workers," she said.
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