AI assistants most often recommend Smartsteuer for tax software in 🇩🇪 Germany (Deutsch), naming it in 67% of the buyer questions we tested, followed by Taxman and Taxfix. We asked an AI model the questions buyers ask about tax software and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | Smartsteuer | 4/6 (67%) |
| 2 | Taxman | 3/6 (50%) |
| 3 | Taxfix | 3/6 (50%) |
| 4 | Elster | 3/6 (50%) |
| 5 | Wiso Mein Steuerbrief | 1/6 (17%) |
| 6 | WISO Mein Steuerblick | 1/6 (17%) |
| 7 | ElsterFormular | 1/6 (17%) |
| 8 | WISO Mein Büro | 1/6 (17%) |
| 9 | WISO Mein Steuer-Sparbuch | 1/6 (17%) |
| 10 | Wiso Mein Steuerbonus | 1/6 (17%) |
| 11 | WISO Mein Steuerbescheid | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇩🇪 Germany (Deutsch). Updated 6/18/2026. A proxy for how AI assistants describe this category.
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