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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 logo

Billy

6.1/10

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

Fortnox logo

Fortnox

6.5/10

Winner

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
Billy logo
Billy
Fortnox logo
Fortnox
Scores
Overall Rating6.1/106.5/10
Analytics4/105/10
Compliance7/107/10
Cost8/106/10
Customization4/105/10
Ease of Use7/107/10
Integration6/108/10
Scalability3/106/10
Security5/106/10
Support8/107/10
Pricing
Free planYesNo
Cheapest paid planDKK 160/mo
Basic
SEK 238/mo
Mini
Estimated cost for 10 usersFree
Free
SEK 238/mo
Mini
Features
Accountant Access
Financial Reporting
General Ledger
Invoicing
Payroll
Accounts PayableNot listed
Bank ReconciliationNot listed
Corporate CardsNot listed
Expense ManagementNot listed
Multi-currencyNot listed
Tax ComplianceNot listed

Billy vs Fortnox cost by team size

Team sizeBillyFortnox
1 userFreeFreeSEK 238/moMini
5 usersFreeFreeSEK 238/moMini
10 usersFreeFreeSEK 238/moMini
25 usersFreeFreeSEK 238/moMini
50 usersFreeFreeSEK 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?

Billy logo
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)

Fortnox logo
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 logo
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 logo
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.

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