It's unclear if Salesforce plans to invest any of its own money into the technology companies that the young women work on.
There are several other organisations supporting the initiative, including WISE (Women in Science and Engineering) and its patron HRH Princess Anne.
WISE is aiming to increase the gender balance in the UK's STEM workforce, pushing the presence of female employees from 13 percent as it stands now, to 30 percent by 2020.
The Stemettes Outbox Incubator programme will run from 27 July to 5 September 2015. Applications open from 28 April via www.outboxincubator.com.
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