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Construction reverse charge in Finland: when the buyer pays the VAT

Karma Accounts · Published 27 October 2026

In Finland the buyer, not the seller, accounts for the VAT on a construction service when both conditions are met: the service is construction work on real property (or staff leased for it), and the buyer sells construction services other than occasionally. The seller invoices without VAT, marked "reverse charge" (käännetty verovelvollisuus). The buyer reports 25.5 % VAT on its return and, if the purchase is for its VAT-liable business, deducts the same amount. Sales to private persons and of plain building materials are never reverse-charged under this rule.

This is a domestic rule in section 8 c of the VAT Act (AVL), separate from the reverse charge on services bought from abroad, such as Google Ads, covered in our article on reverse charge for foreign services.

Both conditions must be met

1. The service is a construction service. That is building and repair work on real property, including goods installed as part of it (AVL 31 § 3(1)), or leasing workers for that work. Related design and supervision are also construction services in the Act, but section 8 c leaves them out.

2. The buyer sells construction services other than occasionally. It also qualifies if, other than occasionally, it leases out workers for construction, sells buildings it has built or had built on land it holds, or sells property before it is taken into use after construction work; so does a business reselling the service to such a buyer. A regular side business in repairs is enough.

If either condition fails, section 8 c does not apply and the ordinary rules decide, usually meaning 25.5 % VAT on the invoice. Checking is always the seller's responsibility.

What counts as a construction service

Examples from the Tax Administration's detailed guidance (Finnish and Swedish only):

A few borderlines from the guidance:

• Goods or service. Parquet sold installed is a construction service; a fridge delivered and connected is goods, because the installation is minor. Concrete pumped into place is goods unless the supplier also spreads or levels it.
• Special equipment. Work on equipment serving a particular business on the premises, such as a restaurant's kitchen equipment, is outside the rule (AVL 8 c § 3).
• The contract decides, not the invoice wording. Travel and accommodation billed with a reverse-charged job are reverse-charged too.

Who counts as a buyer that sells construction services

"Other than occasionally" is judged case by case; occasional means one-off, temporary or minor construction not meant to continue. Neither the share of turnover nor the euro amount decides alone: in the guidance, a property maintenance company earning 1–2 % of turnover from separately billed repairs, with an employee hired for them, qualifies. A construction company qualifies from day one.

A qualifying buyer is covered for all its construction purchases, even work on its own office. For a Finnish VAT-registered contractor:

No public register shows who qualifies. When it is unclear, ask the buyer, as the guidance says, and keep the written answer with the contract; nothing in the guidance says this moves the responsibility off the seller.

The rule does not apply if the seller or the buyer is outside the VAT register as a small business, with turnover of at most 20 000 euros in both the current and the previous calendar year, and has not registered voluntarily.

What goes on the invoice

The seller must still issue an invoice. On top of the usual invoice details, it needs:

• no VAT rate and no VAT amount, only the price without VAT
• the buyer's VAT number; for a Finnish buyer its Business ID (Y-tunnus) is enough
• the marking "käännetty verovelvollisuus" (AVL 209 e § 1(12)); invoice details may be in any language, so "reverse charge" also works, and you can write both.

The Tax Administration also recommends stating the ground for the buyer's liability, for example "AVL 8 c §". A buyer may prepare the invoice only by agreement and with the seller accepting it; it is then marked "self-billing" (itselaskutus), and the seller stays responsible.

An automatic "VAT 0 %" line is fine if the reverse charge reference and other details are there. If VAT was charged by mistake, issue a new invoice referring to the original.

How both sides report it

The seller deducts the VAT on its own purchases as normal, so a subcontractor's VAT for the period is often negative. The Tax Administration refunds it, after using it for any overdue taxes, unless there are other obstacles. For a purchase serving exempt activity, such as exempt letting, the buyer reports the VAT but cannot deduct it (VAT deduction rules).

Metal scrap and metal waste have their own reverse charge (AVL 8 d §), reported in the same fields.

Worked example

In November 2026 a painting subcontractor paints offices for a main contractor renovating them for a property company. Figures in euros.

• The subcontractor invoices the main contractor 12 000, reverse charge, and bought paint and supplies for 4 000 + 1 020 VAT. Its return: 12 000 under sales of construction services, no VAT on sales, 1 020 deductible, so 1 020 comes back.
• The main contractor reports 12 000 under purchases of construction services, 3 060 (25.5 % of 12 000) as tax on those purchases and 3 060 as deductible tax. The purchase is fully deductible, so the net effect is zero.
• The property company only lets offices and sells no construction services, so the main contractor invoices it 40 000 + 10 200 VAT = 50 200 and reports 10 200 under tax on domestic sales by tax rate.

With monthly VAT periods, both November returns are due on Tuesday 12 January 2027, and the main contractor pays its 10 200 by the same day.

Foreign contractors

A foreign contractor with no Finnish fixed establishment taking part in the sale, and no voluntary Finnish VAT registration, invoices a Finnish business without VAT. The buyer reports the VAT under the general reverse charge (AVL 9 §), in the same construction fields, even if it sells no construction services. A foreign contractor that has registered voluntarily, or whose Finnish fixed establishment takes part in the sale, applies section 8 c like a Finnish one. An EU contractor in the EU VAT scheme for small businesses, covering Finland, sells without Finnish VAT, so nothing is reverse-charged. Otherwise a foreign contractor owes the Finnish VAT itself on sales to private persons. When registration is needed or worth having is in our guide to VAT registration for foreign companies.

Common mistakes

• Charging VAT to a construction company, or reverse-charging a landlord or housing company that sells no construction services.
• Reverse-charging design, transport or plain material deliveries.
• The buyer deducting the VAT without reporting it as payable, or putting an EU contractor's construction work under EU service purchases.

Already filed wrongly? See correcting a VAT return.

Frequently asked questions

Does the construction reverse charge apply to a housing company?

Usually not: a housing company that only commissions work on its own building sells no construction services, so the contractor charges 25.5 % VAT.

I am a sole trader under the 20 000 euro limit. Does the rule apply to me?

Not if your turnover was at most 20 000 euros this year and last and you have not registered voluntarily: you neither invoice nor buy under section 8 c. Buying from a foreign contractor covered by the general reverse charge can still make you liable under AVL 9 §.

What does a reverse charge invoice say in Finnish?

"Käännetty verovelvollisuus" and, as the Tax Administration recommends, "AVL 8 c §", with the buyer's Business ID and no VAT amount.

What we do

We do bookkeeping and VAT returns for construction businesses, and check for foreign contractors on Finnish sites which sales are reverse-charged and whether they must register. Foreign VAT work is quoted case by case: see Finnish VAT services for foreign companies or request a quote.

Sources

• Tax Administration: VAT reverse charge in the construction sector
• Tax Administration: Rakennusalan käännetty arvonlisäverovelvollisuus, detailed guidance VH/6003/00.01.00/2020 (in Finnish)
• Tax Administration: Toiminnan aloittaminen Suomessa, detailed guidance VH/2360/00.01.00/2026, chapter 3 (in Finnish)
• Tax Administration: instructions for completing VAT returns
• Finlex: Value Added Tax Act 1501/1993, sections 3, 8 c, 8 d, 9, 31 and 209 e (in Finnish)

Please note: this is general information about Finnish rules, not advice for your own situation, and the rules change. Ask us before you act on it.

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