| ICKEM 2022 | 12th International Conference on Key Engineering Materials | Barcelona | Spain | Feb 15 | Mar 18 | Mar 20 |
| ICACER 2022 | 7th International Conference on Advances on Clean Energy Research | Barcelona | Spain | Mar 10 | Apr 20 | Apr 22 |
| ICEEEP 2022 | 6th International Conference on Energy Economics and Energy Policy | Barcelona | Spain | Mar 10 | Apr 20 | Apr 22 |
| ICONS 2022, | The Seventeenth International Conference on Systems | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| ICN 2022 | The Twenty-First International Conference on Networks | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| SOFTENG | SOFTENG 2022, The Eighth International Conference on Advances and Trends in Software Engineering | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| SPACOMM 2022 | The Fourteenth International Conference on Advances in Satellite and Space Communications | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| CTRQ | The Fifteenth International Conference on Communication Theory, Reliability, and Quality of Service | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| PESARO 2022 | The Twelfth International Conference on Performance, Safety and Robustness in Complex Systems and Applications | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| ALLDATA | The Eighth International Conference on Big Data, Small Data, Linked Data and Open Data | Barcelona | Spain | Jan 10 | Apr 24 | Apr 28 |
| ICAMS 2022 | 9th International Conference on Advances in Management Sciences | Madrid | Spain | Apr 30 | Jun 15 | Jun 17 |
| IMX 2022 | ACM International Conference on Interactive Media Experiences | Aveiro | Portugal | | Jun 22 | Jun 24 |
| ICEER 2022 | 9th International Conference on Energy and Environment Research | Porto | Portugal | Jul 10 | Sep 12 | Sep 16 |
| ACMMM 2022 | 30th ACM International Conference on Multimedia | Lisbon | Portugal | | Oct 10 | Oct 14 |
| ICETC 2022 | 14th International Conference on Education Technology and Computers | Barcelona | Spain | Sep 25 | Oct 28 | Oct 30 |
| ICDLE 2022 | 13th International Conference on Distance Learning and Education | Barcelona | Spain | Sep 25 | Oct 28 | Oct 30 |
| PEEE 2022 | 3rd International Conference on Power, Energy and Electrical Engineering | Barcelona | Spain | Oct 5 | Nov 18 | Nov 20 |
| ICEEEP 2023 | 7th International Conference on Energy Economics and Energy Policy | Barcelona | Spain | Mar 15 | Apr 28 | Apr 30 |
| ICACER 2023 | 8th International Conference on Advances on Clean Energy Research | Barcelona | Spain | Mar 15 | Apr 28 | Apr 30 |
| ITS Europe 2023 | 13th ITS European Congress | Lisbon | Portugal | | May 22 | May 24 |
| ICMAE 2023 | 14th International Conference on Mechanical and Aerospace Engineering | Porto | Portugal | May 20 | Jul 18 | Jul 21 |
| ICPAM 2023 | 12th International Conference on Pure and Applied Mathematics | Porto | Portugal | May 20 | Jul 18 | Jul 21 |
| ICCNT 2023 | 7th International Conference on Communication and Network Technology | Madrid | Spain | Jul 30 | Sep 18 | Sep 20 |
| ICITT 2023 | 7th International Conference on Intelligent Traffic and Transportation | Mardid | Spain | Jul 30 | Sep 18 | Sep 20 |
| ICBEB 2023 | 7th International Conference on Biomedical Engineering and Bioinformatics | Barcelona | Spain | Jul 25 | Sep 22 | Sep 24 |
| ICBRA 2023 | 10th International Conference on Bioinformatics Research and Applications | Barcelona | Spain | Jul 25 | Sep 22 | Sep 24 |
| ICDLE 2023 | 14th International Conference on Distance Learning and Education | Barcelona | Spain | Aug 15 | Sep 26 | Sep 28 |
| ICETC 2023 | 15th International Conference on Education Technology and Computers | Barcelona | Spain | Aug 15 | Sep 26 | Sep 28 |
| MobiCom 2023 | MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing And Networking | Madrid | Spain | | Oct 2 | Oct 6 |
| ICEER 2023 | 10th International Conference on Energy and Environment Research | Madrid | Spain | Jun 20 | Oct 7 | Oct 9 |
| AMMS 2024 | 6th International Applied Mathematics, Modelling and Simulation Conference | Amarante | Portugal | Apr 30 | Jun 23 | Jun 25 |
| ICoMS 2024 | 7th International Conference on Mathematics and Statistics | Amarante | Portugal | Apr 30 | Jun 23 | Jun 25 |
| ICEER 2024 | 11th International Conference on Energy and Environment Research | Coimbra | Portugal | Apr 30 | Jul 24 | Jul 26 |
| AIET 2024 | 5th International Conference on Artificial Intelligence in Education Technology | Barcelona | Spain | Apr 30 | Jul 29 | Jul 31 |
| ICTEM 2024 | 5th International Conference on Teaching and Education Management | Barcelona | Spain | Apr 30 | Jul 29 | Jul 31 |
| ICEAT 2024 | 2nd International Conference on Electronics Application Technology | Lisbon | Portugal | May 15 | Aug 8 | Aug 10 |
| ICDLE 2024 | 15th International Conference on Distance Learning and Education | Porto | Portugal | Apr 30 | Sep 18 | Sep 21 |
| ICETC 2024 | 16th International Conference on Education Technology and Computers | Porto | Portugal | Apr 30 | Sep 18 | Sep 21 |
| ICDME 2024 | 8th International Conference on Design and Manufacturing Engineering | Barcelona | Spain | Jun 25 | Nov 24 | Nov 26 |
| MAES 2024 | 2nd International Conference on Mechanical, Aerospace and Electronic Systems | Barcelona | Spain | Jun 25 | Nov 24 | Nov 26 |
| ICMERR 2025 | 9th International Conference on Mechanical Engineering and Robotics Research | Barcelona | Spain | Aug 10 | Jan 15 | Jan 17 |
| PECE 2025 | 4th International Conference on Power Electronics and Control Engineering | Barcelona | Spain | Aug 10 | Jan 15 | Jan 17 |
