Billy vs Fortnox: Complete Comparison (2026)
An in-depth comparison of Billy and Fortnox to help you choose the right tool for your business.
Last updated: November 2026

Billy
6.1/10
Danish online accounting software for sole traders and small businesses, covering bookkeeping, invoicing, bank reconciliation and VAT filing.

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 | 6.1/10 | 6.5/10 |
| Analytics | 4/10 | 5/10 |
| Compliance | 7/10 | 7/10 |
| Cost | 8/10 | 6/10 |
| Customization | 4/10 | 5/10 |
| Ease of Use | 7/10 | 7/10 |
| Integration | 6/10 | 8/10 |
| Scalability | 3/10 | 6/10 |
| Security | 5/10 | 6/10 |
| Support | 8/10 | 7/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | DKK 160/mo Basic | SEK 238/mo Mini |
| Estimated cost for 10 users | Free Free | SEK 238/mo Mini |
| Features | ||
| Accountant Access | ||
| Financial Reporting | ||
| General Ledger | ||
| Invoicing | ||
| Payroll | ||
| Accounts Payable | Not listed | |
| Bank Reconciliation | Not listed | |
| Corporate Cards | Not listed | |
| Expense Management | Not listed | |
| Multi-currency | Not listed | |
| Tax Compliance | Not listed | |
Billy vs Fortnox cost by team size
| Team size | Billy | Fortnox |
|---|---|---|
| 1 user | FreeFree | SEK 238/moMini |
| 5 users | FreeFree | SEK 238/moMini |
| 10 users | FreeFree | SEK 238/moMini |
| 25 users | FreeFree | SEK 238/moMini |
| 50 users | FreeFree | 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 Billy

- Has a free plan (Fortnox does not)
- Higher Cost score (8/10 vs 6/10)
- Higher Support score (8/10 vs 7/10)
Why choose Fortnox

- Higher Scalability score (6/10 vs 3/10)
- Higher Integration score (8/10 vs 6/10)
- Better fit for accountants and bookkeepers (9/10 vs 6/10)
Pros & Cons
Billy

Pros
- The free plan includes full bookkeeping and VAT filing, which suits very small businesses.
- Phone, email and chat support runs every day from 7:00 to 22:00, and Trustpilot reviewers often praise it.
- Bank reconciliation works through a bank connection or a CSV upload on every plan.
- Expense data from Pleo goes straight into Billy journals, with VAT codes kept.
Cons
- The free plan is capped at 3 invoices and 10 expense vouchers a month.
- Integrations, reminders, quotes, subscription invoicing and payroll need Plus or higher.
- It is built for Danish compliance, and some guidance is only in Danish.
- Some users report duplicate accounts after reconnecting their bank.
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 6.1/10 for Billy. The largest gap is in Scalability: 3/10 for Billy and 6/10 for Fortnox.
Billy has a free plan; Fortnox does not list one.
Fortnox is the better fit for accountants and bookkeepers: we rate it 9/10 for them, against 6/10 for Billy.





