Polish invoicing requires VAT detail, PLN tax amounts, and KSeF timing control. Everhour supports billing records behind each invoice.
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Use this page to prepare invoices for work sold to Polish clients, Polish VAT taxpayers, or customers that expect Poland-specific invoice structure. The result should identify both parties, list the goods or services, apply the correct VAT treatment, and show the amount due clearly enough for payment, bookkeeping, and tax review.
A Polish VAT invoice must 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 issue date. Those fields give the invoice its audit trail, so do not treat them as optional labels.
Each invoice line should describe the goods or services, show the measure and quantity of goods or scope of services, state the unit net price, list discounts or reductions not included in the unit price, and show the net transaction value. For services, use wording that explains the billable work in plain terms, such as "Implementation consulting, March 2026, 12 hours."
Poland's indirect tax on invoices is VAT under the Act on tax on goods and services. A Polish VAT invoice must 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 reduced rates including 8%, 5%, and 0% for specified supplies.
Polish invoice software needs to handle currency and electronic invoicing rules, not just totals. Invoices may include foreign-currency amounts, but VAT amounts must be shown in Polish złoty, converted using the VAT Act currency rules and rounded to full grosze. A euro invoice that omits PLN VAT amounts creates avoidable accounting work.
KSeF also affects the workflow. 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. 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 one-off invoice tool is enough when you need a single clean document, already know the client details, and can confirm the VAT rate, PLN VAT amount, invoice date, and payment terms yourself. It works best for occasional billing where the source records sit in a spreadsheet, email thread, or completed work order.
A managed workflow matters when billable time, expenses, approvals, reporting, and invoice status need to stay connected. Everhour Reporting can group and filter time, budgets, costs, invoice status, and project data across 45+ columns, then export reports in CSV, Excel/XLSX, or PDF. That gives the invoice a traceable source record instead of a manually rebuilt total.
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 VAT invoice needs identification, line-item, VAT, and total-due fields. Include the issue date, sequential number, seller and buyer names and addresses, tax identification numbers, delivery or service date when different, description, quantity or scope, unit net price, discounts, net value, VAT rate, VAT by rate, and total amount due.
Polish invoice software should account for KSeF if the business falls under mandatory structured e-invoicing. The mandate started on February 1, 2026 for companies with 2024 sales above PLN 200 million including VAT, and on April 1, 2026 for remaining businesses, with a temporary small-seller deferral through December 31, 2026.
A Polish invoice can show commercial amounts in a foreign currency, but VAT amounts must be shown in Polish złoty. The VAT amount must be converted under the VAT Act currency rules and rounded to full grosze, so software should separate invoice currency from the required PLN VAT display.
Use the VAT rate that applies to 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. Do not apply a reduced rate unless the goods or services qualify.
Late issuance is a common mistake. The general Polish deadline is no later than the 15th day of the month after the month in which goods were delivered, services performed, or an advance payment was received, subject to listed special cases. Set invoice dates from the taxable event, not from when the client asks for a copy.
Everhour Reporting turns logged time, budgets, costs, and project data into customizable reports with 45+ columns, filters, grouping, date ranges, and exports. A team can keep invoice backup organized by client, project, member, task, billable time, cost, invoice status, and other report fields.
Everhour Billing & Invoicing converts tracked billable time and expenses into client invoices, calculates amounts from rates, and excludes 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.
Use Everhour Reporting to connect billable work, project costs, invoice status, and exports, so every Poland-facing invoice has clear backup and audit-ready billing context.
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