Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2018 |  | James Brown | DF |  | Shelbourne FC | Shelbourne FC |
| 08/2018 | | Janabi Amour Jr. | FW | |||
| 07/2018 | | Darren Kavanagh | MF |  | Athlone Town | Athlone Town |
| 07/2018 | | Rob Manley | FW |  | Bohemian FC | Bohemians |
| 02/2018 |  | Victor Ekanem | DF |  | Cabinteely FC | Cabinteely FC |
| 01/2018 | | Luke Rossiter | MF |  | Bray Wanderers | Bray Wanderers |
| 01/2018 | | Kevin Doherty | MA |  | St. Mochta's | St. Mochta's |
| 01/2018 | | Luca Gratzer | GK | |||
| 01/2018 | | Paul Skinner | GK | |||
| 01/2018 | | Ciarán Kelly | DF |  | St Patrick's Athletic | St Patrick's A |
| 01/2018 | | Sean Trimble | DF | |||
| 01/2018 | | Kealan Dillon | MF |  | Longford Town | Longford Town |
| 01/2018 | | Eoin McPhillips | MF | |||
| 01/2018 | | Jordan Adeyemo | FW | |||
| 01/2018 | | Lee Duffy | FW |  | Wexford FC | Wexford FC |
| 01/2018 | | Chris Lyons | FW | | Shelbourne FC | Shelbourne FC |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 | | Victor Ekanem | DF | | Athlone Town | Athlone Town |
| 07/2018 | | Stephen Dunne | DF |  | St. Francis FC | St. Francis FC |
| 01/2018 |  | Chris Bennion | GK | | Bohemian FC | Bohemians |
| 01/2018 | | Stephen McGuinness | GK | | Cabinteely FC | Cabinteely FC |
| 01/2018 | | Shane Elworthy | DF | | Longford Town | Longford Town |
| 01/2018 | | Jamie Hollywood | MF | | Longford Town | Longford Town |
| 01/2018 | | Darren Kavanagh | MF | | Athlone Town | Athlone Town |
| 01/2018 | | Adam Wixted | MF |  | Sligo Rovers | Sligo Rovers |
| 01/2018 | | Thomas Byrne | FW | | St Patrick's Athletic | St Patrick's A |