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AI VAT Advisor for Danish Businesses

Published 3. april 2026
9 min read
Author: Sitenyx Team

VAT is one of the most misunderstood areas in Danish business finance. 25% on everything, the deadlines are complex, rules about entertainment vs. advertising, reverse charge on foreign subscriptions, small purchases under DKK 36,400 — there are hundreds of small things that can go wrong. And if something goes wrong, SKAT comes after you. Here's how Freja, your AI VAT Advisor, can automate it all — and save you both money and worry.

Why VAT is so complicated

Danish VAT rules are detailed. You need to know: which deadlines apply to your company (quarterly, semi-annually, monthly), what you can deduct (and how much — entertainment is only 25%), how reverse charge works for EU and foreign subscriptions, when you need to register for VAT (the DKK 50,000 threshold), and what happens if you sell to EU customers (EU VAT OSS). Most businesses make mistakes — either by missing a deadline or by not using legal optimisations. Freja ensures neither happens.

Automatic deadlines and reminders

Freja sends you a reminder 14, 7, and 2 days before every VAT deadline. You also get the expected VAT amount so you can ensure there is liquidity to pay. If your liquidity is low, Freja alerts you even earlier so you can plan. The Danish VAT deadlines in 2026 are: March 1 (Q4 2025), June 1 (Q1), September 1 (Q2), December 1 (Q3). For monthly filers it's the 25th of the following month. Freja knows them all and adjusts automatically to your filing frequency.

Tax optimisation on entertainment vs. advertising

One of the most underrated optimisations: Entertainment only gives 25% deduction, while advertising gives 100%. Freja analyses your receipts and finds expenses that may be misclassified. Example: You took a customer out to dinner to celebrate a good sale. That's entertainment (25%). But if the meeting was about closing a new contract, and you have documentation of the business purpose, it may qualify as 'necessary expenses to generate revenue'. Or: You bought merchandise with your logo to give to customers. That's 100% deduction as advertising. Freja finds these opportunities and calculates potential savings.

Reverse charge and EU trade

When you buy subscriptions from abroad (Google Workspace, Microsoft 365, AWS etc.), you must use reverse charge. It means that you 'pay' the VAT in both directions yourself, but it nets to zero. The problem: Many businesses forget to register it, and then their VAT return doesn't add up. Freja handles this automatically. Similarly for EU trade: If you sell to EU customers, you need to monitor the DKK 75,000 threshold (EUR 10,000) to determine if you need to register in EU VAT One Stop Shop. Freja monitors your revenue and alerts you in time.

Small purchases and asset purchases

There's a simple rule: Asset purchases under DKK 36,400 (2026 limit) can be deducted immediately. Above the limit, they must be depreciated over several years. But many businesses either deduct the full amount (wrong) or depreciate a small amount unnecessarily (suboptimal). Freja checks all your asset purchases against the limit and tells you the correct treatment. Tip: If you're choosing between buying an expensive computer for DKK 40,000 or two cheap ones for DKK 19,000 each, the two cheap ones may be tax-wise smarter — both can be deducted immediately.

Conclusion

VAT doesn't have to be complicated. With Freja you get automatic reminders, tax optimisation on real numbers, correct handling of reverse charge and EU trade, and a safety net that catches errors before they become expensive. Freja doesn't replace your accountant — but it makes things much easier for both of you.

Ofte stillede sporgsmol

Can Freja file my VAT directly to SKAT?

Not directly yet. Freja prepares the entire filing for you — calculates amounts, generates documentation — but the actual filing you must do via TastSelv Erhverv. Direct SKAT integration is on the roadmap.

What about historical receipts? Can Freja find old errors?

Yes. Freja reviews your receipts for the last 3 years (where SKAT can reopen) and finds possible errors: missing CVR numbers, wrong VAT rate, forgotten reverse charge calculations.

What does the AI VAT Advisor cost?

It is included free in every Sitenyx subscription from DKK 299/month. No separate AI charges.

Try Freja for free

How to automate VAT with AI: deadlines, optimisation, reverse charge, EU trade. Freja knows Danish VAT rules.

Get started

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