Skip to content

Refer Kalender Sync to your network and get 30 days of Business on the house

Kalender Sync

For tax advisors & firms

Clients, deadlines, team – never double-booked again

Kalender Sync keeps firm, client and personal calendars synced in real time. GDPR-compliant and hosted in Germany – so sensitive client data stays where it belongs.

Try free for 30 days No credit card required.
A tax advisor at her desk

Calendar sync for tax advisors and firms

How Kalender Sync helps your day-to-day work

No more double-bookings during peak season

Whether year-end closing or deadline rush: Kalender Sync keeps all your calendars in sync in real time. Blocked times appear everywhere automatically – you never double-book again.

Client data stays confidential

Built in Munich, made for Europe. Your data is processed GDPR-compliant and hosted on servers in Germany.

GDPR compliant Made & hosted in Germany

Share availability without extra effort

Share your free time with clients or your team, without anyone seeing into your calendar. The recipient only sees when you're available – not what fills that time.

Personal and firm cleanly separated

Sync one-way or both ways and keep work and personal calendars clearly apart – without constantly transferring appointments by hand.

Ready for more time with clients instead of your calendar?

Try free for 30 days

Currently supported providers

Google Microsoft Apple iCloud KKSuite iCal-Feeds

Newsletter

Join the Kalender Sync community

Subscribe to our newsletter and get early access to the hottest beta features — so your setup keeps getting better.

Promise: no spam, no AI-generated filler.

Tips and product news — max. 2× per month, unsubscribe anytime. By subscribing you accept our Privacy Policy.

And psst — every now and then we hide a free month between the lines 🤫