Two new Windows Phones were announced at IFA 2017. One appears to be an overpriced budget phone, but the second is a premium looking mid-range handset that wouldn't look out of place in a business environment.
https://www.notebookcheck.net/The-Trekstor-WinPhone-5-0-is-the-better-of-two-new-Windows-Phones-and-will-likely-appeal-to-businesses.246234.0.html