Professional & regulated services
Higher stakes, more paperwork, and billing that has to be defensible. NIZU tracks billable hours against a case, project or audit, keeps the engagement letter and client file together, and turns time or milestones into a Peppol-ready invoice — with credentials shared safely along the way.
Who this covers: Lawyer, Architect, Accounting firm, Audit & certification
The apps built for this work
The core of how this kind of business runs day to day — turn these on first.
Marvin AI
Ask your business data anything — Marvin is your NIZU AI assistant, powered by Claude, ChatGPT, Grok or DeepSeek
Apps you might not expect
Not the obvious picks, but they solve real problems once the basics are in place.
Documentation
Manage comprehensive documentation, guides, and resources for your team and clients
Bank Statements Import
Turn a bank statement export into reconciled payments and expenses, matched against your open invoices
AI Reports
Turn your business data into clear, AI-generated reports from plain-language questions
Not sure where you fit?
Every module is free to turn on. Start a workspace and pick only what your business needs.