Jef, your intelligent legal
assistant
Turn your document library into a personalised AI agent.
Create my account
What is Jef?
A conversational assistant that answers your legal questions from your documents, and nothing else.
Named as a nod to an architect well known to Brussels lawyers, Jef is a conversational robot designed especially for them.
Conversational assistant
across all your documentation (legislation, notes, submissions, etc.)
Sourced answers
with references to the passages used
Confidential
Your data stays isolated and accessible only to you and your team
Available 24/7
From any device, at any time.
Why Jef?
By a lawyer, for lawyers
Productivity
Find information in seconds
Organisation
Centralise all your documentation
Precision
Answers based on your own sources
Professionalism
Customise with your visual identity
Connected to your tools
SharePoint
OneDrive
Google Drive
Gmail
OutlookIndependent and agnostic
Jef is not tied to any AI provider. We pick the best models of the moment (Claude, OpenAI, Gemini, Mistral…) without depending on any single one. Your data stays confidential, and we are transparent about the models we use.
Powered by the French-speaking Bar of Brussels
Security and confidentiality
Your data is sacred
Fully separated workspaces per lawyer
No Bar access to your documents
Secure hosting in Europe
GDPR compliant
End-to-end encryption
FAQ
Is my data secure?
Yes. Every lawyer has an isolated, encrypted workspace.
Who has access to my sources?
Only you and the people you authorise within your team.
Can I try it before committing?
Signing up is free and commitment-free. Test away!
How it works
