This article proposes that in teachers’ professional development, using the cross-organisational learning and knowledge building model (LKB model) might better connect individual and organisational learning and promote teacher professional development. The authors provide the developed and validated cross-organisational LKB model in the teacher development context with the support of e-portfolio. The authors also discuss the barriers to be overcome when applying the LKB model. Finally, the authors present scenarios developed together with the stakeholders.The findings reveal the following barriers in applying LKB model: teachers’ habits for documenting and externalising their knowledge, participation in cross-organisational communities of educators, and their technical preparedness.