| Timeframe | Title | Duration | Details |
| 05.04.2024 - today | PROGRESS Tag Team Champion (with Axel Tischer as SAnitY) | 15 days | Matches |
| 25.09.2022 - 26.02.2023 | PROGRESS Atlas Champion | 154 days | Matches |
| 13.08.2022 - 28.08.2022 | PROGRESS World Champion | 15 days | Matches |
| 19.08.2017 - 29.11.2017 | WWE NXT Tag Team Champion (as Killian Dain; with Alexander Wolfe and Eric Young as SAnitY) | 102 days | Matches |
| 06.08.2016 - 27.08.2016 | Reckless Intent Hardcore Champion | 21 days | Matches |
| 02.07.2016 - 27.08.2016 | Reckless Intent Heavyweight Champion | 56 days | Matches |
| 16.06.2016 - 24.08.2016 | WCPW World Champion | 69 days | Matches |
| 31.10.2014 - 14.08.2016 | XWA British Heavyweight Champion (as Damo O'Connor) | 653 days | Matches |
| 27.02.2016 - 31.07.2016 | ICW World Heavyweight Champion | 155 days | Matches |
| 11.07.2015 - xx.06.2016 | Pride Wrestling Champion (as Damo O'Connor) | ? | Matches |
| 24.08.2013 - 25.01.2014 | SWE Heavyweight Champion (as Damian O'Connor) | 154 days | Matches |
| 20.04.2013 - 07.07.2013 | W3L Tag Team Champion (as Damian O'Connor; with Scott Renwick as BMW) | 78 days | Matches |
| 20.05.2011 - 12.04.2013 | 3CW Tag Team Champion (as Damian O'Connor; with Scott Renwick as BMW) | 693 days | Matches |
| 23.11.2012 - 08.03.2013 | Unified Scottish Tag Team Champion (6x) (as Damian O'Connor; with Scott Renwick as BMW) | 105 days | Matches |
| 23.09.2011 - 21.09.2012 | W3L Heavyweight Champion (as Damian O'Connor) | 364 days | Matches |
| 06.08.2011 - 26.08.2011 | SWA Tag Team Champion (5x) (as Damian O'Connor; with Scott Renwick as BMW) | 20 days | Matches |
| 11.12.2009 - 26.03.2010 | SSW Tag Team Champion (as Damian O'Connor; with Scott Renwick as BMW) | 105 days | Matches |
| 19.09.2009 - 06.03.2010 | SWA Laird Of The Ring Champion (as Damian O'Connor) | 168 days | Matches |
| 20.09.2008 - 30.05.2009 | SWA Tag Team Champion (4x) (as Damian O'Connor; with Scott Renwick as BMW) | 252 days | Matches |
| 17.05.2008 - 13.09.2008 | SWA Tag Team Champion (3x) (as Damian O'Connor; with Micken) | 119 days | Matches |
| 09.06.2007 - 11.08.2007 | SWA Tag Team Champion (2x) (as Damian O'Connor; with Scott Renwick as BMW) | 63 days | Matches |
| 16.09.2006 - 14.10.2006 | SWA Tag Team Champion (as Damian O'Connor; with Pete O'Neil as The Shamrockers) | 28 days | Matches |
| Title | Duration |
| 3CW Tag Team Championship | 693 days |
| Defiant World Championship | 69 days |
| ICW World Heavyweight Championship | 155 days |
| Pride Wrestling Championship | 0 (+ ?) days |
| PROGRESS Atlas Championship | 154 days |
| PROGRESS Tag Team Championship | 15 days |
| PROGRESS World Championship | 15 days |
| Reckless Intent Hardcore Championship | 21 days |
| Reckless Intent Heavyweight Championship | 56 days |
| SSW Tag Team Championship | 105 days |
| SWA Laird Of The Ring Championship | 168 days |
| SWA Tag Team Championship (6x) | 587 days |
| SWE Heavyweight Championship | 154 days |
| W3L Heavyweight Championship | 364 days |
| W3L Tag Team Championship | 78 days |
| WWE NXT Tag Team Championship | 102 days |
| XWA British Heavyweight Championship | 653 days |
