Description
Made for German tax filings
Many people in Ireland have a tax link to Germany: a rented apartment, a past job, shares held there. If that is you, BUHL tax 2026 Professional is the fuller version of BUHL's German tax program for tax year 2025, and it supports up to 3 users on 1 PC.
Please note this carefully: the interface is German only and the rules inside are German. It cannot be used for Revenue returns or ROS filings in Ireland.
What you get
- A German income tax return for the 2025 tax year
- Further support for self-employment, rental earnings and capital gains
- Electronic filing through ELSTER
- Last year's figures can be imported
- Up to three people can work on one machine
The program asks for details one step at a time, so there is far less typing. Those who already used BUHL last year can bring over their existing figures. This saves time for anyone with more than one source of income.
Licence at a glance
The licence is set out like this:
- Devices: 3 users on 1 PC
- Term: 12 months
A single licence serves 3 users on 1 PC, for example two partners and a grown-up child sharing a family computer. TresBizz sells new licences only, never used ones.
Ordering from TresBizz
TresBizz is a software seller in Brussels, Belgium, serving customers across Europe. Orders are settled in euro, as you would expect in Ireland, and every licence we sell is genuine and new.
- Card, Apple Pay, Google Pay and PayPal are all accepted
- A proper VAT invoice comes with every order
- Businesses in the EU can type in their VAT number when ordering
- Help by email; a key that fails is swapped for a working one or refunded
Both companies and private customers in Ireland order here. Checkout takes a few minutes, and you can review everything before paying.
Before you install
The program needs:
- Windows 10 or 11
- Internet access when you activate it
Please make sure your computer meets these two points before ordering. We leave out any other requirements so that you only see confirmed facts.
Delivery and activation
After you pay, an email with your key and download link follows, typically within a few minutes and always inside 24 hours. There is no parcel and no waiting for the post.
Download, install, then type in the key to activate. The licence is intended to be activated within the European Union. Any questions? Our team replies by email.
If you are unsure the software fits your case, write to us first. We will tell you plainly what it can and cannot do, since it only handles German tax matters.
This program suits sole traders, anyone letting a property and people with shares or savings abroad, because those are the situations where a German return becomes harder. Your key stays in your mailbox after purchase, which helps if you reinstall later.
Common questions
What tax year is it for?
Tax year 2025.
How many people can use it?
Up to 3 users on 1 PC.
Does it come in English?
No, it is available in German only.
How soon will the key arrive?
By email, normally in a few minutes and never later than 24 hours.
What if my key is rejected?
We send a replacement or refund your order.
















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