Huw Daniel was a pupil at Ysgol Gyfun Ystalyfera, South Wales, and continued his education as an organ scholar at Robinson College, Cambridge, where he graduated with first-class honours in music in 2001. He then studied the Baroque violin at the Royal Academy of Music for two years with Simon Standage. In 2004, Daniel was a member of the European Union Baroque Orchestra (EUBO), whose members formed Harmony of Nations, a group that continues to this day.

Daniel is a member of the Dunedin Consort, Irish Baroque Orchestra, Orchestra of the Sixteen and Orchestra of the Age of Enlightenment. Since 2004 he has led the Orquestra Barroca Casa da Música, Porto, Portugal, and has returned many times as guest leader of EUBO. He has also guest-led the English Concert, Orchestra of the Sixteen and Barokkanerne (Oslo), in concerts and recordings.

Daniel plays a violin by Alessandro Mezzadri, c1720, kindly loaned by the Jumpstart Jr. Foundation.