Niall Maher

Bolton Wanderers

Maher has been with Bolton Wanderers since the age of ten He made his first team debut on 2 April 2016 at home against Reading. On 22 January 2015, Maher joined Blackpool in a one-month loan and he made his Football League debut as a 57th-minute substitute for Peter Clarke on 24 January 2015 in a 7–2 loss against Watford at Vicarage Road.

Bury

At the end of the 2015–16 season, Bolton confirmed that he would be leaving when his contract expired at the end of June. On 24 July 2016 it was confirmed that he had joined Bolton's close neighbours Bury on a twelve-month contract. He scored his first goal for Bury against Burton Albion in an EFL Cup tie on 10 August 2016.

Galway United

On 29 August 2017, Maher joined League of Ireland Premier Division side Galway United.

AFC Telford United

Maher briefly joined AFC Telford United in February 2018, making one appearance for the club, a 1–0 win over FC United of Manchester in the National League North.

FC Halifax Town

On 8 March 2018, Maher signed for National League side FC Halifax Town on a deal until the end of the 2017–18 season. On 18 August 2018, Maher extended his stay by agreeing a new two-year deal. Halifax announced on 17 August 2020 that Maher extended his deal for a further two years. Ahead of the 2021–22 season Maher was installed as the new club captain, replacing the departing Nathan Clarke. After advancing to the play-offs following a 4th-place finish,…

As of end of 2023–24 season

Individual

National League Team of the Year: 2021–22