BuchhaltungsButler vs Fortnox: Complete Comparison (2026)
An in-depth comparison of BuchhaltungsButler and Fortnox to help you choose the right tool for your business.
Last updated: November 2026
BuchhaltungsButler
6.3/10
Cloud accounting software from Berlin for German freelancers, small firms, online retailers and associations, with AI receipt capture, bank matching and DATEV export.
Fortnox
6.5/10
Swedish cloud accounting platform covering bookkeeping, invoicing, payroll, supplier invoice approval and reporting for small and mid-sized Swedish businesses and accounting firms.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.3/10 | 6.5/10 |
| Scalability | 5/10 | 6/10 |
| Analytics | 6/10 | 5/10 |
| Compliance | 8/10 | 7/10 |
| Integration | 7/10 | 8/10 |
| Security | 7/10 | 6/10 |
| Support | 4/10 | 7/10 |
| Cost | 5/10 | 6/10 |
| Customization | 5/10 | 5/10 |
| Ease of Use | 7/10 | 7/10 |
| Pricing | ||
| Free plan | No | No |
| Cheapest paid plan | €40/mo Light | SEK 238/mo Mini |
| Estimated cost for 10 users | €40/mo Light | SEK 238/mo Mini |
| Features | ||
| Payroll | ||
| Accountant Access | ||
| Accounts Payable | ||
| Expense Management | ||
| Financial Reporting | ||
| General Ledger | ||
| Invoicing | ||
| Audit Trail | Not listed | |
| Bank Reconciliation | Not listed | |
| Corporate Cards | Not listed | |
| Multi-currency | Not listed | |
| Tax Compliance | Not listed | |
BuchhaltungsButler vs Fortnox cost by team size
| Team size | BuchhaltungsButler | Fortnox |
|---|---|---|
| 1 user | €90/moPremium | SEK 238/moMini |
| 5 users | €90/moPremium | SEK 238/moMini |
| 10 users | €40/moLight | SEK 238/moMini |
| 25 users | €40/moLight | SEK 238/moMini |
| 50 users | €40/moLight | SEK 238/moMini |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose BuchhaltungsButler
- Higher Analytics score (6/10 vs 5/10)
- Higher Compliance score (8/10 vs 7/10)
- Better fit for e-commerce (9/10 vs 7/10)
Why choose Fortnox
- Higher Support score (7/10 vs 4/10)
- Higher Scalability score (6/10 vs 5/10)
- Better fit for accountants and bookkeepers (9/10 vs 7/10)
- Includes Payroll, which BuchhaltungsButler lacks
Pros & Cons
BuchhaltungsButler
Pros
- AI receipt recognition and automatic bank matching cut down manual entry.
- E-commerce connectors for Amazon, eBay, Shopify and Billbee split marketplace fees into separate bookings.
- Handles both EÜR and double-entry bookkeeping, with Elster VAT returns, Peppol e-invoices and a DATEV export.
- Hosted in German data centres certified to ISO 27001 and 27018, with GoBD compliance.
- Every plan includes a tax advisor login.
Cons
- Invoices can only be issued in euros, and there is no dunning or time tracking.
- Reviewers report slow support, with one tester waiting five days, and there is no phone hotline.
- There is no full native mobile app.
- It costs more than entry tools such as Lexware Office, and many extras cost more.
Fortnox
Pros
- More than 500 integrations, and one 189 kr licence covers all of them.
- A single platform covers bookkeeping, invoicing, payroll, supplier invoice approval, payments and a company card, which suits Swedish SMEs.
- Accounting firms get a dedicated bureau package for working in their clients' books.
- New companies get six months free, and every new subscription has a 30-day open purchase period.
- Trustpilot and Shopify app reviewers frequently praise customer service and sync reliability.
Cons
- Usage fees for invoices, paid employees and interpretations, plus an Access fee that scales with activity, make total cost hard to predict.
- Three-month agreements cost 15 percent more than the 12-month list prices.
- The product is Swedish-focused, and users have asked for an English interface.
- Some users call the reporting tools dated and say neobank integrations such as Revolut are missing.
Not sold on either?
Frequently Asked Questions
Fortnox scores higher on our Finance Software criteria: 6.5/10 against 6.3/10 for BuchhaltungsButler. The largest gap is in Support: 4/10 for BuchhaltungsButler and 7/10 for Fortnox.
No, neither BuchhaltungsButler nor Fortnox lists a free plan.
Fortnox is the better fit for accountants and bookkeepers: we rate it 9/10 for them, against 7/10 for BuchhaltungsButler.
Fortnox has Payroll, which BuchhaltungsButler lacks.
