Project timelines, travel expenses, and invoices – all in one tool. With flexible approval processes and auto-invoicing, you can save up to 70% on your accounting costs.
No credit card required · Made in Germany 🇩🇪
Reputable companies rely on us
From time tracking to invoicing – fully automated.
Track project time and working hours via timer, calendar, app, or browser extension. Integrated with JIRA, GitHub, and other platforms.
Project-based tracking in 33 currencies with automatic conversion. Hotels, tickets, kilometers, and more.
Flexible approval process per user and project. Approvers can approve, reject, or comment.
Auto-invoicing, credit note procedures, ZUGFeRD, XRechnung – EN16931 compliant. Automatic e-credit notes for freelancers.
Contracts, overtime, vacations, sick leave, holidays and teams – all managed centrally.
Project controlling dashboard, billing table, lead and customer management with contact persons.
"We use ZEIT.IO for billing our interim managers – and are thrilled with how simple, effective and efficient it is."
"The consultants' project hours are available on a daily basis, and the monthly project time statements can be completed in no time."
"Over 90% of our outgoing invoices are generated via auto-invoicing. This helps us reduce errors and saves us time."
Integrated with your existing tools
Change takes TIME.IO
We outsource the approval process for your customers and automate your invoicing with credit notes, automatic outgoing invoices, and DATEV integration.