Burton Albion Fox was included in the first team squad during the
2016–17 season, and was allocated the number 21 squad number. He was given his debut in the
EFL Cup match against
Liverpool on 23 August 2016, coming on as a 65th-minute substitute for
Lloyd Dyer, a game in which Burton lost 5–0. Fox was given his
EFL Championship debut on 17 September 2016, coming on as 77th-minute substitute for
Hamza Choudhury in a home game against
Brighton & Hove Albion which they lost 1–0. He scored his first goal for Burton in an EFL Cup tie against
Cardiff City on 22 August 2017. which was later extended to the rest of the season on 8 February 2017. The following season, he spent time on loan with
Solihull Moors, had a second loan spell at Tamworth, and then went on loan for a third time that season, this time at
Gateshead. Fox broke into the first team at Burton in the 2018–19 season, but in July 2019 he was ruled out of action until March 2020 with an
anterior cruciate ligament injury. In December 2020 he joined
Barnet on a one-month loan, with a view to an extension until the end of the season. Fox scored on his debut in the
FA Trophy against
Dorking Wanderers, but later received a straight red card for a late tackle in a 3–1 defeat. His suspension, followed by subsequent match postponements, and a change of management at Burton meant this was his only game for the club. On 12 May 2021 it was announced that he would be one of 12 players leaving Burton at the end of the season.
Grimsby Town On 15 June 2021, Fox joined
Grimsby Town on a one-year deal. Fox earned the man of the match award as The Mariners defeated
Solihull Moors 2-1 at the
London Stadium in the
2022 National League play-off final.
Northampton Town On 17 June 2022, Fox signed for fellow
EFL League Two side
Northampton Town having rejected a new deal from Grimsby. On 14 May 2024, the club announced Fox had signed a new contract for a year with the option of a further year.
Harrogate Town On 3 February 2025, Fox joined club
Harrogate Town on a free transfer on a two-and-a-half year deal.{{cite news |title=Harrogate Town sign 'all-action' midfielder Ben Fox from Northampton Town ==Career statistics==