Sinnott, who was born in Bradford, started his career at Huddersfield Town and had loan spells at Altrincham and Bury before joining Alty permanently under his father Lee Sinnott at Moss Lane in February 2015.
The 5`11” midfielder signed a one-year deal with Town and he joins Steven Drench, Tom Nicholson, Josh Wilde, Liam King and Tom Denton in joining the Shaymen.
(Photo: Kelly Gilchrist/FC Halifax Town)