Collaborate Without Compromise
Real-time documents, video conferencing, team messaging, and project management — everything your teams need to do their best work, hosted entirely in Europe.
One workspace for every team
All the tools your organisation relies on, unified in a single platform that respects your data.
Real-time Document Editing
Create and co-edit documents, spreadsheets, and presentations in real time. Full formatting support, commenting, and version history. Compatible with Microsoft Office and ODF formats.
Video Conferencing
HD video meetings for up to 500 participants. Screen sharing, breakout rooms, recording, live captions, and virtual backgrounds. No downloads required for guests.
Team Messaging
Organised channels for teams, projects, and topics. Threads, reactions, file sharing, and rich media support. Searchable message history with full audit trail.
File Sharing & 1TB Storage
1TB of cloud storage per user for files, documents, and media. Share with granular permissions, set expiry dates, and track access. Desktop sync for Windows, macOS, and Linux.
Project Management
Kanban boards, task lists, timelines, and milestones. Assign tasks, set deadlines, and track progress across projects. Integrated with documents, messaging, and calendar.
Guest Access
Invite external collaborators with granular permissions. Control exactly which channels, files, and documents guests can access. Automatic expiry and full audit logging.
Documents, spreadsheets, and presentations — reimagined
A full office suite built for real-time collaboration. Multiple people can edit the same document simultaneously with live cursors, comments, and suggestions.
Full format compatibility
Open, edit, and save .docx, .xlsx, .pptx, and ODF files natively
Advanced spreadsheets
400+ functions, pivot tables, charts, and conditional formatting
Version history
Unlimited version history with named snapshots and restore
Templates library
Organisation-wide templates for consistent branding and formatting
Document Editor Preview
Meetings that stay in Europe
HD video conferencing for up to 500 participants, with all media streams routed through EU infrastructure. No data touches US servers — ever.
Move from Teams and SharePoint seamlessly
Our migration tools and dedicated engineers help you transition from Microsoft Teams, SharePoint, and Google Workspace without disrupting your workflows.
Files & Documents
SharePoint sites, OneDrive, and Google Drive
Chat History
Teams channels and direct messages
Teams & Groups
Membership and permission structures
Projects & Tasks
Planner boards, tasks, and assignments
Collaboration that respects your sovereignty
Give your teams the tools they need without giving up control of your data. Start your migration to UnionStack today.