| Date | From | To | Type | |
|---|---|---|---|---|
| - | Coleraine | Coleraine | Free agent | |
| - | Institute | Institute | Free agent | |
| 07 Jan 2011 | Derry City | Derry City | Free agent |
Martin Gallagher career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.