This book constitutes the refereed proceedings of the 25th IFIP WG 6.11 Conference on e-Business, e-Services and e-Society, I3E 2026, held in Tampere, Finland, during September 15–17, 2026.

The 31 full papers and 1 short paper included in these proceedings were carefully reviewed and selected from 64 submissions. They were organized in the following topical sections: AI, Work, and Organizational Transformation; Human–AI Interaction, Agents, and Companions; Immersive Technologies and the Metaverse; Data-Driven Services for Sustainability and Well-Being; Responsible AI: Trust, Governance, and Accountable Use; and Digital Government, Public Services, and Inclusion.