| Opportunity Name | Website | Start Date | End Date | Territory | Delegates |
| UACES Conference in European Studies 2023 | https://www.uaces.org/belfast | 03/09/2023 | 06/09/2023 | National | 300 |
| Seating Matters 2 Second Lean Summit | https://paulakers.net/summit | 03/09/2023 | 06/09/2023 | International | 150 |
| Timcon | https://www.timcon.org/ | 05/09/2023 | 06/09/2023 | National | 60 |
| Quilt Fayre 2023 | https://www.quiltfayre.com/ | 07/09/2023 | 09/09/2023 | National | 520 |
| Lennox Incentive 2023 | 09/09/2023 | 14/09/2023 | International | 380 | |
| European Association for Sport Management 2023 Conference | https://easm2023.com/ | 12/09/2023 | 15/09/2023 | Europe | 400 |
| APSE Association for Public Service Excellence 2023 | https://apse.org.uk/index.cfm/apse/news/articles/2022/apse-is-pleased-to-announce-our-annual-service-awards-2023/ | 12/09/2023 | 15/09/2023 | National | 300 |
| Association for the Study of Obesity UKCO Conference | https://www.emedevents.com/c/medical-conferences-2023/uk-congress-on-obesity-ukco-2023 | 13/09/2023 | 15/09/2023 | National | 200 |
| Culture Next Candidate Cities Network | https://cccluj.ro/culture-next-en/ | 13/09/2023 | 15/09/2023 | Europe | 50 |
| UK Inbound 2023 | https://www.ukinbound.org/events/ukinbound-annual-convention-2023-belfast-bookings-open/ | 20/09/2023 | 21/09/2023 | National | 250 |
| Stena Sphere Conference | https://stena.com/about-stena/stena-sphere/ | 21/09/2023 | 24/09/2023 | Europe | 300 |
| European Society for Vascular Surgery Annual Conference 2023 | https://esvs.org/events/annual-meeting/annual-meeting-2023/ | 25/09/2023 | 29/09/2023 | Europe | 700 |
| ASDC 2023 – The UK Association for Science and Discovery Centres | https://www.sciencecentres.org.uk/asdc-national-conference/ | 28/09/2023 | 29/09/2023 | National | 150 |
| One Young World | https://www.oneyoungworld.com/ | 02/10/2023 | 05/10/2023 | International | 2200 |
| RCGP’s All Ireland Health and Justice Summit | https://www.convenzis.co.uk/events/rcgp-10th-health-and-justice-summit-building-bridges-in-health-and-justice | 09/10/2023 | 10/10/2023 | National | 200 |
| University of Aberdeen & QUB Conference | https://www.abdn.ac.uk/events/conferences/hetl-2023.php | 09/10/2023 | 11/10/2023 | National | 90 |
| Plotbox’s Northern Ireland Global Tech Summit 2023 | 11/10/2023 | 13/10/2023 | International | 50 | |
| Research Quality Association (RQA) 2023 | https://www.therqa.com/learn-develop-connect/courses-and-events/conferences/2023-international-qa-conference/ | 01/11/2023 | 03/11/2023 | National | 500 |
| Dream Bigger 2023 | 03/11/2023 | 05/11/2023 | International | 200 | |
| British Society of Breast Radiology 2023 | https://www.delegate-reg.co.uk/bsbr2023/ | 05/11/2023 | 07/11/2023 | National | 425 |
| UK SABR Consortium | https://www.sabr.org.uk/meetings/ | 15/11/2023 | 17/11/2023 | National | 300 |
| All Ireland Institute of Hospice and Palliative Care | 15/11/2023 | 17/11/2023 | Europe | 150 | |
| UK Pelvic Floor Society | https://www.acpgbi.org.uk/events/964/the_pelvic_floor_society_2023_annual_conference/ | 15/11/2023 | 17/11/2023 | National | 160 |
| British Endodontic Society Regional Meeting 2023 | https://britishendodonticsociety.org.uk/events/19/regional_meeting_2023/ | 16/11/2023 | 18/11/2023 | National | 260 |
| EAPRIL | https://eapril.org/events/eapril-2023 | 21/11/2023 | 24/11/2023 | Europe | 450 |
| UK Space Conference 2023 | https://www.ukspace.org/event/uk-space-conference-2023/ | 21/11/2023 | 23/11/2023 | National | 2500 |
| Focus Partner Conference 2023 | 21/11/2023 | 23/11/2023 | National | 140 | |
| Hydrogen Ireland 2023 | https://www.h2irl.com/ | 22/11/2023 | 24/11/2023 | National | 350 |
| British Soil Science 2023 | https://soils.org.uk/blog/annual-conference-2023/ | 04/12/2023 | 05/12/2023 | National | 200 |
| British Society for Immunology Congress 2023 | https://www.immunology.org/events/british-society-immunology-congress-2023 | 04/12/2023 | 07/12/2023 | National | 1410 |
| British Ecological Society Annual Meeting 2023 | https://www.britishecologicalsociety.org/events/bes-annual-meeting-2023/ | 12/12/2023 | 15/12/2023 | National | 1140 |
