The Skype icons were redesigned by the design agency Pentagram. Pentagram is a global design agency with offices in London, New York, San Francisco, Austin, and Berlin. They were commissioned to redesign the Skype icons in 2016.
Microsoft's design agency, Pentagram, redesigned the Skype icons. The new icons are part of a wider redesign of the Skype platform. Pentagram was chosen for their extensive experience in branding and design work.