Gareth Williams, co-founder and chief executive of Scotland's e-commerce leader Skyscanner, has announced plans to open a Glasgow office and take on 100 more staff by the end of 2013.

The online travel company, which has 80% of its sales outside the UK, has just opened a new Edinburgh HQ in the former Royal Infirmary site Quartermile, and is recruiting for technical development, programming and European marketing roles .

Williams said: "As a recruiter, we benefit from being in such a cosmopolitan city and having a world-leading computer science and business school on our doorstep.

"We also recognise there is a wide range of talent across the Scottish central belt and we are positioning ourselves to reflect that. While the Glasgow office will be small to begin with, we expect to see it grow."

Founded in 2003, Skyscanner has an annual turnover of £32 million, with profits around £10m to £12m forecast by the firm to double in 2012-13. It employs 150 in Edinburgh, and 20 in Singapore and Beijing. The site, available in 30 languages, is said to be the top travel search website in Europe and number three in the world.