Slovak invoices need precise DPH details, and Everhour keeps the surrounding project reports organized for billing decisions.
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Use this page when you need an invoice for a Slovak customer, supplier, project, or public-sector buyer. A proper invoice gives the buyer enough detail to identify the parties, match the work to a contract or order, review DPH treatment, and schedule payment without asking for a corrected document.
Slovak VAT invoices are governed by Act No. 222/2004 Coll. on VAT. A VAT invoice generally must be issued within 15 days from the supply of goods or services, from receiving an advance payment, or from the end of the relevant calendar month for specified exempt or cross-border supplies.
A Slovak VAT invoice must state the supplier's name or business name, address and VAT identification number, plus the recipient's name or business name, address and VAT identification number where the supply was made under that number. It also needs a sequential invoice number, the invoice issue date, and the date of supply or payment receipt when that date is determinable and different.
Line items need enough detail to support the tax calculation. Include the quantity and type of goods or the scope and type of service, the taxable base for each VAT rate, the unit price excluding VAT, discounts or rebates not included in the unit price, the VAT rate or exemption, and the total VAT payable in euros.
Slovakia's indirect tax for invoices is value added tax, called daň z pridanej hodnoty or DPH. The 2026 VAT Act sets a 23% standard rate and reduced rates of 19% and 5% for listed goods and services. VAT registration controls whether the supplier charges VAT, so the invoice app should let you separate taxable, reduced-rate, exempt, and reverse-charge items.
Payment terms also need attention. For EU commercial transactions, if no payment period is fixed in the contract, late-payment interest becomes payable 30 calendar days after invoice receipt. Slovakia's statutory late-payment rate for January 1-June 30, 2026 is 10.15%, with a €40 flat recovery-cost compensation per late invoice.
A free invoice app is enough when you issue an occasional document, already know the correct Slovak DPH treatment, and only need a clean PDF or record for one client. It is also practical for simple non-recurring work where project time, expenses, approvals, and client reporting live somewhere else.
A managed workflow becomes necessary when invoice amounts depend on tracked billable time, project costs, recurring client work, or approval records. Everhour Reporting gives teams customizable reports with 45+ columns, grouping, filters, exports, scheduled email delivery, and profitability dashboards, so billing decisions come from organized project data before an invoice is sent.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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A Slovakia invoice app should support DPH at 23%, 19%, and 5% for listed goods and services under the 2026 VAT Act. The correct rate depends on the supply, the supplier's VAT status, and any exemption or reverse-charge treatment. The app should also allow exempt wording instead of forcing every line into a taxable rate.
Yes. A Slovak VAT invoice must show the total VAT payable in euros. This matters even when the commercial price is discussed in another currency. The tax line needs to be clear enough for Slovak VAT records, and the buyer should be able to identify the taxable base, rate, and VAT amount without recalculating the invoice.
Yes, but a VAT payer or taxable person must provide a Slovak translation when the tax office requests it for inspection. English-language invoices should still carry the required Slovak VAT information, including party identity, VAT IDs where applicable, sequential invoice number, dates, line scope, taxable bases, rates or exemption wording, and VAT in euros.
B2G e-invoicing is mandated for public procurement, and public authorities must accept EN 16931-compliant e-invoices. B2B and B2C e-invoicing are not currently mandatory in 2026. Domestic B2B e-invoicing and real-time reporting are planned from January 1, 2027, with intra-EU reporting planned from July 1, 2030.
The most common correction risk is mixing tax treatment on the same document without clear line-level support. A Slovak VAT invoice should separate the taxable base for each VAT rate, show the correct rate or exemption, and include required wording for exempt, self-billed, or reverse-charge supplies, such as prenesenie daňovej povinnosti for reverse charge.
Everhour Reporting turns logged time, budgets, costs, and project data into customizable reports with 45+ columns, filters, grouping, date ranges, and exports in CSV, Excel/XLSX, or PDF. A team can review billable time, costs, profit, invoice status, and client work before preparing a Slovakia-facing invoice.
Everhour Billing & Invoicing converts tracked billable time and expenses into client invoices, calculates amounts from rates, time, and billable expenses, and excludes non-billable work. Invoice data can be grouped by project, task, person, date, or another available breakdown so the client sees the structure agreed for billing.
Use Everhour Reporting to review billable work, costs, invoice status, and profitability before billing clients, then keep project records connected to Everhour reporting.
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