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Same modules, same security, same price. One licence per user and company, billed by Fortnox, no integration licence needed.
Claude Fortnox Connector 
ChatGPT Fortnox Connector 
Copilot Fortnox Connector Compare all connectors 
An accounting firm? See AI Connector for Bureaus Find invoices, see what's paid and pull the numbers, or run the whole books. In plain language, right inside Claude. You approve in the app before anything is written to Fortnox.
99 kr per user and company per month, via the Fortnox marketplace. No integration licence, 30-day money-back guarantee.
An accounting firm with many client companies? See AI Connector for Bureaus →
Integration partner Built by Sidcom, not published by Fortnox or Anthropic.
The Claude Fortnox Connector links Anthropic's Claude to your Fortnox account so you can run your books in plain language. Ask Claude to find invoices, post entries or prepare VAT. Claude proposes each change and your Claude app asks for your approval before anything is written to Fortnox. The connector lives on your Claude account, so it is there wherever you use Claude. 99 kr per user and company a month via the Fortnox marketplace.
// pricing
SEK 99 per user and company per month, via the Fortnox marketplace. No setup fees and no per-call charges.
30-day money-back guarantee.
An accounting firm with many client companies per consultant? Then the licence follows the consultant instead. See AI Connector for Bureaus →
// several_companies
In Fortnox App Market, per company. The same app, the same activation flow, and you need no integration licence in any of them.
99 kr per user and company per month, all on your Fortnox invoice. No separate supplier to onboard.
You add each company in Claude and sign in with your own Fortnox user. From there you can ask across several of them in one question and get one consolidated answer.
// capabilities
Everything you'd otherwise dig through menus for is now a sentence away, in the Claude apps you already use. You don't have to be an accountant.
Find customers, suppliers, invoices and amounts. Ask like you'd ask a colleague, without hunting through menus.
Which customer invoices fell due last month?
Create customer invoices, post entries and approve supplier invoices for payment. Claude fills in the details, you approve before anything is saved.
Post the receipt I just uploaded.
Summarize, compare periods and surface key figures, without exporting to Excel.
How much did we invoice in Q1?
// at_a_glance
// security
We completely understand that letting Claude near your books can feel daunting. It does not have to be. Here is how it works: the connector can do exactly what you are allowed to do in Fortnox, and every change passes you first.
No passwords stored with us. All sign-in goes through Fortnox.
Claude can do exactly what you can do in Fortnox, no more, no less.
Claude proposes, and your Claude app asks for your approval before writes are sent to Fortnox.
All changes are made through your own Fortnox user and show up in Fortnox as usual.
Sidcom is a Swedish company. No bookkeeping data is stored at Sidcom.
// connect
Add the address to your Claude app and you're set. Sign in with Fortnox on first use.
https://fortnox-claude.sidcom.ai/mcp Essentially all of Fortnox is available. Claude can search customers, suppliers and invoices, see what's paid and unpaid, create customer invoices, post entries, approve supplier invoices for payment, and export bookkeeping data as SIE files. You approve every write in the app before it is sent. See the full module table, 22 Fortnox modules with exactly what you can do in each.
No. Claude proposes changes and your Claude app asks for your approval before writes are sent to Fortnox.
Yes. You sign in with Fortnox OAuth and Sidcom never stores your password. Claude only acts within your existing Fortnox permissions, and all changes are made through your own Fortnox user and show up in Fortnox.
The connector lives on your Claude account rather than in one app, so it follows you wherever you use Claude: the web, the desktop app, mobile, Claude Code and Claude for Excel.
A licence is a user seat in one Fortnox company. If you work across several companies you activate the connector in each one and hold a licence per company, all on your Fortnox invoice, and no integration licence is needed. If you are an accounting firm with many client companies per consultant, AI Connector for Bureaus is built for that instead. Fortnox checks your licence and permissions each time you connect.
Yes. Activate the connector in Fortnox App Market for every company you work in, your own or your clients'. You get one licence per user and company, all on the same Fortnox invoice, and no integration licence is needed in any of them. Then add the companies in Claude and ask across several of them in one question.
With Digital Byrå your company is listed twice when you choose a company in Fortnox, with different agreement numbers. Choose the one that is not marked Digital Byrå. If you connect to the Digital Byrå version, the licence is not found.
The licence is assigned automatically when you connect, but only if the company has a free seat. A new user connecting needs the company to have bought enough licences. How to check for free licences and buy more.
99 kr per user and company per month via the Fortnox marketplace. No setup fees and no per-call charges. 30-day money-back guarantee.
Check that the licence is bought and activated on the company, that you choose the company without the Digital Byrå mark, and that there is a free licence. On Team and Enterprise, by default only an administrator can add connectors. See the guide and troubleshooting.
What you'd otherwise click through in Fortnox now takes a single sentence. Add Claude Connector from the Fortnox marketplace and get going in minutes.
Activate in Fortnox