"dare to sight any articles to back that up?"
"According to Martine, who was quoting the most recent figures from Canalys, Nokia’s UK enterprise market share stands at 18 per cent."
http://www.mobilenewscwp.co.uk/2014/06/16/windows-phone-os-to-dominate-b2b-by-mid-2015/
http://www.zdnet.com/windows-phone-overtakes-blackberry-in-the-uk-but-who-wants-to-be-number-three-7000032977/
http://www.theguardian.com/technology/2014/aug/21/blackberry-uk-user-base-below-windows-phone
http://www.theregister.co.uk/2014/11/21/windows_phones_to_crush_android_in_business/
http://www.computerweekly.com/news/2240213444/Are-businesses-turning-to-Windows-Phone-instead-of-BlackBerry