Polish VAT invoices require statutory fields and KSeF awareness. Everhour keeps reporting tied to billable work.
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Use this page to prepare invoices for Polish clients, Polish sellers, or cross-border work that still needs Polish VAT invoice structure. The goal is a finished invoice with the right seller and buyer details, service or goods description, tax identifiers, VAT treatment, and total due. Poland's indirect tax is VAT under the Act on tax on goods and services, so the invoice should use VAT language, not sales tax or GST labels.
The workflow is especially useful when you bill services by project, create product invoices with quantities, or need a clean record before sending data into accounting. A Polish VAT invoice generally needs an issue date, a sequential number, seller and buyer names and addresses, both tax identification numbers, and the delivery, service, or payment date when that date is known and differs from the issue date.
A Polish VAT invoice needs enough line detail for the buyer and tax records to match the transaction. Each line should describe the goods or services, show the measure and quantity of goods or scope of services, list the unit net price, include discounts or reductions not already built into that unit price, and show the net transaction value. Service invoices should still state scope clearly, such as monthly design support or 12 hours of implementation work.
The tax section should show the VAT rate, net sales totals split by VAT rate and exempt sales, VAT amount split by rate, and the total amount due. The standard Polish VAT rate is 23%, with a main reduced rate of 8% and reduced rates including 5% and 0% for specified supplies. Use the rate that matches the supply, buyer, and transaction type, then keep the rate visible on the invoice.
A common Poland-specific mistake is treating the invoice as a generic EU document. For specified intra-EU transactions, the seller's tax identification number is preceded by PL, and the buyer's VAT identification number includes the buyer member state's two-letter VAT code. Invoices may show commercial amounts in a foreign currency, but VAT amounts must be expressed in Polish złoty, converted under the VAT Act currency rules and rounded to full grosze.
Timing matters as much as formatting. The general Polish invoice issue deadline is no later than the 15th day of the month after the month when goods were delivered, services were performed, or an advance payment was received, subject to listed special cases. Mandatory KSeF e-invoicing started on February 1, 2026 for companies with 2024 sales above PLN 200 million including VAT, and on April 1, 2026 for the remaining businesses.
A one-off invoice tool is enough when you need a single document, already know the buyer details, have confirmed the VAT rate, and can handle any KSeF obligation outside the tool. The temporary small-seller deferral also matters: until December 31, 2026, taxpayers may still issue paper or ordinary electronic invoices outside KSeF if monthly gross sales on invoices subject to mandatory KSeF do not exceed PLN 10,000.
A managed workflow becomes necessary when invoices come from tracked billable work, recurring client projects, mixed rates, or approval steps. Everhour Reporting can organize time, costs, clients, invoice status, and profitability through customizable reports with 45+ columns, filters, grouping, exports, and scheduled email delivery. That gives managers a record behind the invoice instead of only a final PDF.
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 Polish invoice uses VAT, because Poland's indirect tax system is value-added tax under the Act on tax on goods and services. The invoice should show VAT rates, net totals by VAT rate, VAT amounts by rate, and the total due. Sales tax language belongs to other jurisdictions and should not replace Polish VAT fields.
The invoice should include the issue date, a sequential invoice number, seller and buyer names and addresses, seller and buyer tax identification numbers, and the delivery, service, or payment date when that date is known and differs from the invoice issue date. These fields connect the invoice to the parties, the taxable event, and the accounting period.
Commercial amounts may appear in a foreign currency, such as euros, when that matches the contract or buyer expectation. VAT amounts still must be shown in Polish złoty, converted using the VAT Act currency rules and rounded to full grosze. Skipping the PLN VAT display creates a practical tax-record problem.
The app should let you choose the VAT rate that matches the specific supply. Poland's standard VAT rate is 23%, with a main reduced rate of 8% and authority to apply reduced rates including 5% and 0% for specified supplies. The correct rate depends on the goods or services, not on the invoice template.
Some taxpayers have a temporary deferral. Until December 31, 2026, taxpayers may issue paper or ordinary electronic invoices outside KSeF if monthly gross sales on invoices subject to mandatory KSeF do not exceed PLN 10,000. From January 1, 2027, KSeF becomes mandatory for previously exempt small businesses.
Everhour Reporting lets teams build reports with 45+ columns, filters, grouping, date ranges, and export options for invoice review. A manager can compare billable time, costs, invoice status, and project profitability before sending a Polish VAT invoice or passing figures to accounting.
Everhour Billing & Invoicing turns uninvoiced billable time and expenses into client invoices, using rates, time, and billable expenses while excluding non-billable work. Invoice data can be grouped by project, task, person, date, or another available breakdown before export to QuickBooks Online, Xero, or FreshBooks.
Track approved work, review costs and invoice status in Everhour Reporting, then export the figures needed for client billing with fewer disconnected spreadsheets.
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