Charlotte is the former editor of Techworld.
We compiled a list of the 10 biggest tech firms by revenue and then took a look at how well women are represented on their boards.
Companies listed include US firms IBM, HP, Apple, Microsoft, Amazon and Google, plus Japanese, Korean and Taiwanese giants Panasonic, Sony, Samsung and Foxconn.
Here’s what we found.
Companies are ranked from the lowest to highest proportion of women.