Built for Denmark
Built for Danish companies
PolyOmi started with Danish rules, not as a translation of a foreign system. The Bookkeeping Act, Danish VAT, Danish payroll and the Danish language are part of the core, and a live checklist shows how your setup measures up.
Join the waiting listSee finance & bookkeeping
- Bogføringsloven
- SAF-T Financial DK 2.1
- voucher retention
- 5 years
- validated export
- SAF-T DK 2.1
- VAT return rubrics
- A, B, C
- languages built in: Danish and English
- 2
The Bookkeeping Act, in plain terms
The Danish Bookkeeping Act (bogføringsloven, no. 700/2022) requires companies to keep their books digitally, with a voucher for every transaction, and to store the material for five years. The Danish Business Authority (Erhvervsstyrelsen) sets the requirements that digital bookkeeping systems must meet.
Registered or not registered
Systems sold as standard products can be registered with Erhvervsstyrelsen. PolyOmi is self-hosted and is not a registered system. When you use a non-registered system, you as the company are responsible for making sure it meets Erhvervsstyrelsen's requirements for non-registered digital bookkeeping systems. That includes things you control yourself, such as keeping backup copies of your registrations and vouchers off-site.
How PolyOmi helps
PolyOmi is built to meet the requirements and gives you the tools to prove it:
- a compliance checklist that shows what is met and what needs attention
- automatic weekly off-site copies of your backups to storage you choose
- SAF-T export validated against the official schema
- five-year voucher retention and a voucher on every posting
- a hash-chained ledger where postings cannot be edited or deleted
Read the current rules and deadlines at erhvervsstyrelsen.dk. If you are unsure how the rules apply to your company, ask your accountant.
Compliance checklist
See where you stand, every day
The compliance page checks your setup against the law profile. It covers company details and CVR number, the fiscal year and closing of past years, the hash chain, vouchers on all postings, vouchers waiting in the inbox, VAT deadlines, bank reconciliation and off-site backup.
Each item is marked as met, needing attention or not met, with a link straight to where you fix it.
- Live status for every requirement
- One-click verification of the hash chain
- Direct links to fix what needs attention
Bookkeeping law
What the law asks, built in
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Tamper-proof ledger
Gap-free numbering, registration time and user on every posting. Corrections are reversals, and a SHA-256 hash chain reveals any change.
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5-year voucher retention
Vouchers are attached to postings and kept for five years. The archive shows postings still missing a voucher.
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SAF-T export
The books in SAF-T Financial DK 2.1, validated against the official schema before download.
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Off-site backup
Automatic weekly copies to S3-compatible storage or FTP/FTPS/SFTP, with optional AES-256 encryption.
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Standard chart of accounts
The official standard chart of accounts from Erhvervsstyrelsen, ready from day one.
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Official VAT codes
Including reverse charge, partial deduction and energy duties.
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VAT return
Prepared per period with all boxes and rubrics A, B and C, ready to copy into the tax portal.
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Year-end closing
Checklist, transfer of the result, opening balances and a period lock.
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Compliance checklist
A live overview of which requirements are met and what needs attention.
VAT and SAF-T
Danish VAT and SAF-T, out of the box
VAT periods and deadlines
Monthly, quarterly or half-yearly VAT periods with their deadlines. Settling a period posts the VAT and locks the period.
The official VAT codes
Every official Danish VAT code, the account it posts to and the box it feeds on the VAT return.
SAF-T Financial DK 2.1
Export the books in the Danish SAF-T format. The file is validated against the official schema before you download it.
Everyday Denmark
Danish, all the way through
The details that make a system feel local.
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Danish payroll
A-tax, AM-contribution, ATP, pension, holiday pay, benefits and tax-free mileage, plus an eIndkomst summary.
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Danish holidays
Holiday balances and Danish public holidays handled automatically.
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OIOUBL and Peppol BIS
E-invoices and credit notes as OIOUBL 2.1 and Peppol BIS Billing 3.0 XML, and import of the same formats.
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Bank statements
Import statements as CSV or CAMT.053 and reconcile them against the books.
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Danish language
The whole app in Danish, with PDFs in each customer's language. Each person picks their own language.
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Direct connections Coming soon
Direct bank connection, Peppol network, direct eIndkomst reporting and CVR lookup.
EU and beyond
Denmark first, not Denmark only
The bookkeeping law is a setting in PolyOmi. A law profile decides the chart of accounts, VAT codes, retention period, SAF-T version and backup rules. Denmark is the first profile.
We plan to add law profiles for more EU countries, more languages, multi-company setups and more currencies.
- Law profile per country (Denmark today)
- More EU countries planned
Questions about Danish rules
Is PolyOmi registered with Erhvervsstyrelsen?
No. PolyOmi is a self-hosted system and is not registered. Companies using it follow Erhvervsstyrelsen's requirements for non-registered digital bookkeeping systems, and PolyOmi is built to help you meet them.
What do I need to take care of myself?
As the owner of a self-hosted, non-registered system, you are responsible for meeting the requirements. In practice that means keeping PolyOmi up to date, setting up off-site backup, attaching vouchers and keeping an eye on the compliance checklist. The checklist tells you when something needs attention.
Can I hand my books to the authorities or my accountant?
Yes. Export the books in SAF-T Financial DK 2.1, and export reports such as the income statement, balance sheet, trial balance and account ledger as PDF or CSV.
Where can I read the rules?
Erhvervsstyrelsen publishes the requirements and deadlines for digital bookkeeping at erhvervsstyrelsen.dk. Your accountant can help you with how they apply to your company.
Run your Danish company on PolyOmi
PolyOmi is in closed beta. Join the waiting list, and we will tell you when you can try it on your own hosting.