Taxorio Blog

Practical guides on taxes, invoicing and accounting for self-employed foreigners in Czech Republic.

Taxes · 16 September 2026 · 9 min read

Double taxation treaties for self-employed people in Czechia

How double taxation treaties work for Czech sole traders: tax residence, permanent establishment, the credit and exemption methods, and foreign income.

Taxes · 16 September 2026 · 11 min read

Health and social insurance for Czech self-employed in 2026

How Czech self-employed (OSVČ) health and social insurance works in 2026: rates, minimum advances, due dates, annual přehled deadlines and side-activity rules.

Guides · 5 September 2026 · 13 min read

Invoice Due Date in Czech Republic 2026: How Many Days, and What the Law Says

Invoice due dates in Czech Republic for 2026: what the Civil Code actually requires, how to choose a due date by client type, and how to calculate late payment interest.

Guides · 5 September 2026 · 11 min read

Bank Payment Matching for Invoices in Czech Republic 2026: API, Email Alerts, or Statements?

Bank payment matching for Czech invoices in 2026: bank API vs emailed alerts vs manual import, how matching decides, and what each option costs.

Guides · 5 September 2026 · 12 min read

Czech Tax Records in Excel 2026: Template and 6 Things a Spreadsheet Will Never Catch

A ready-to-use Czech tax records (danova evidence) template for Excel in 2026, plus six things a spreadsheet will never catch for a self-employed person.

Taxes · 5 September 2026 · 13 min read

Student and Self-Employed in Czech Republic 2026: Contributions and Your First Invoice

Student and self-employed in Czech Republic in 2026: when you need a trade licence, how much you pay in social and health insurance, and how to write your first invoice.

Guides · 5 September 2026 · 10 min read

How Much Does an Accountant Cost for a Czech Freelancer in 2026?

How much an accountant costs a self-employed person in Czech Republic in 2026: real price ranges, what pushes the price up, and three ways to organise your admin.

Features · 5 September 2026 · 11 min read

Mobile Invoicing in Czech Republic 2026: Invoice and Scan Receipts from Your Phone

Mobile invoicing in Czech Republic in 2026: how to issue an invoice and scan a receipt from your phone, add the app to your home screen, no app-store install needed.

Features · 4 September 2026 · 11 min read

Fakturoid vs. iDoklad 2026: Price and Feature Comparison for Freelancers

Fakturoid vs. iDoklad in 2026: prices excluding VAT, free-plan limits, payment matching and reminders compared, plus a cheaper option for Czech freelancers.

Features · 4 September 2026 · 11 min read

Best Invoicing Software for Czech Freelancers 2026: 7 Tools Compared

Seven invoicing programs for self-employed people in the Czech Republic compared by price, free-plan limits, and business type — pick by what you need in 2026.

Guides · 4 September 2026 · 11 min read

Invoicing Software for Non-VAT Payers in Czechia 2026: What You Actually Need

Most self-employed people in Czechia are non-VAT payers. Here is what invoicing software you actually need in 2026, and which paid features you can skip.

Guides · 4 September 2026 · 11 min read

Invoice for a Non-VAT Payer in Czech Republic (2026): Requirements and a Template

A non-VAT payer's invoice in Czech Republic follows different rules from a VAT invoice. See the 2026 requirements, the standard wording, and a sample invoice.

Taxes · 4 September 2026 · 11 min read

Invoicing Under the Czech Flat Tax (Paušální Daň) 2026: Records You Still Must Keep

The Czech flat tax (paušální daň) skips the tax return, but not record-keeping. See what income records to keep and the 2026 band amounts and thresholds.

Guides · 4 September 2026 · 12 min read

Resuming a Trade Licence in Czech Republic (2026): Restarting After a Pause

Resumed your Czech trade licence after a pause? The 2026 steps for the Trade Licensing Office, ČSSZ, health insurance, tax office deadlines, and your first invoice.

Guides · 3 September 2026 · 13 min read

Cancelling an Invoice in Czechia 2026: Void It or Issue a Credit Note?

How to cancel a Czech invoice in 2026: when a simple void is enough, when you need a credit note instead, and what it means for your VAT control statement.

Guides · 3 September 2026 · 11 min read

Proforma Invoice in Czechia 2026: What It Is, When to Issue One, and a Sample

What a proforma invoice is in Czechia, when to issue one, what it must and must not include, and a sample for VAT payers and non-payers alike in 2026.

Guides · 3 September 2026 · 11 min read

Final Invoice After an Advance Payment in Czechia 2026: How to Deduct the Deposit

How to deduct an advance payment and issue a final invoice in Czechia, with two full worked VAT examples for a non-payer and a 21% VAT payer under the 2026 rules.

Features · 22 August 2026 · 7 min read

Email your invoices straight into Taxorio

Forward supplier invoices to your own Taxorio collector address and AI files them in your document inbox. Setup, allowed senders, formats and limits.

Guides · 7 August 2026 · 10 min read

Invoicing as a side-business sole trader in 2026

Running a business alongside a job in Czechia: invoice numbering, income and expense records, 2026 insurance thresholds and a routine that survives the year.

Guides · 7 August 2026 · 10 min read

Forgotten invoice: how to fix it without making it worse

A late or overlooked invoice step by step: issue date versus date of supply, what changes for VAT payers, additional returns, and the effect on income records.

Taxes · 31 July 2026 · 9 min read

Offered a Czech contract "on IČO" instead of employment? Run the numbers first (2026)

Offered the same job "on IČO" instead of employment? A calculation with real 2026 numbers shows how much of the invoiced amount actually stays with you.

Guides · 31 July 2026 · 7 min read

A box of receipts? Catch up in one evening

A box of unsorted receipts and a folder of old emails? A five-step plan to rebuild your expense records in one evening, and what to do when a receipt is gone.

Taxes · 31 July 2026 · 9 min read

Driving for Uber, Bolt or Wolt: taxes in 2026

Drivers and couriers in Czechia: which trade licence you need, why the 60% expense rate applies, 2026 rates, and the VAT registration the platform fee triggers.

Features · 28 July 2026 · 6 min read

Taxorio now tracks your social and health insurance, too

Taxorio now shows the indicative impact of your business on Czech social and health insurance: assessment base, annual premium, and shortfall or refund.

Features · 23 July 2026 · 5 min read

Moving from Fakturoid, iDoklad or Vyfakturuj to Taxorio

Taxorio's data import brings clients, invoices and expenses over from Fakturoid, iDoklad or any export — and shows you a preview before anything is written.

Taxes · 17 July 2026 · 9 min read

When Does a Czech Sole Trader Tax an Invoice: Issue Date, DUZP, or Payment?

Learn when a Czech sole trader records invoice income, how DUZP sets the VAT period, and what happens when a December invoice is paid in January.

Guides · 17 July 2026 · 8 min read

Partial Payments and Overpayments: How to Match Czech Invoices Correctly

A practical guide to matching Czech invoices when clients pay partly, overpay, combine transfers, use a wrong variable symbol, or incur bank fees.

Taxes · 17 July 2026 · 10 min read

Revolut, Wise, PayPal, and Stripe for Czech Freelancers: Fees, FX, and Tax Records

A Czech freelancer’s guide to Revolut, Wise, PayPal, and Stripe records: gross sales, fees, CNB FX rates, reverse charge, and payouts.

Guides · 17 July 2026 · 8 min read

Lost a Receipt or Invoice in Czechia? When a Freelancer Can Still Claim the Expense

A Czech guide to lost supplier receipts: replacement copies, evidence strength, income-tax expenses, VAT deduction, and safer source-file storage.

Guides · 17 July 2026 · 8 min read

What to Send Your Czech Accountant Each Month: A Freelancer’s Checklist

A practical monthly checklist for sending invoices, expenses, payments, cash, VAT records, and clear closing questions to a Czech accountant.

Taxes · 17 July 2026 · 8 min read

Czech Flat-Rate Expenses: Which Records and Receipts Must a Freelancer Keep?

A Czech freelancer’s guide to income records, receivables, invoices, VAT files, assets and receipts that still matter when using percentage expenses.

Features · 17 July 2026 · 6 min read

Public invoice links: send clients a page that shows the live payment status

Create a public invoice link in Taxorio. Your client can view its payment status, use the QR payment code, and download the PDF without signing in.

Taxes · 8 July 2026 · 4 min read

Švarcsystém in 2026: the warning signs and the fines

Invoicing one client full time? How Czech labour inspectors spot švarcsystém, what the fines are in 2026, and how to make freelance work survive a check.

Guides · 8 July 2026 · 5 min read

Late payment interest 2026: what an unpaid invoice owes you

Statutory late payment interest for the second half of 2026 is 11.75% a year. How to work it out, when the CZK 1,200 compensation applies, and how to collect.

Taxes · 7 July 2026 · 11 min read

Identified Person VAT in Czech Republic: The Rule That Catches Freelancers Buying Google or Meta Ads

Buying Google Ads, Meta ads or foreign SaaS as a non-VAT Czech freelancer? You may become an "identified person" on the first crown, with a 15-day deadline.

Taxes · 7 July 2026 · 10 min read

Flat-Rate vs Real Expenses in Czech Republic: The Choice That Can Save You 50,000+ CZK a Year

Czech freelancers can deduct expenses two ways: a flat percentage of revenue or documented real costs. Picking wrong can cost tens of thousands of crowns.

Taxes · 7 July 2026 · 10 min read

Czech Flat Tax (Paušální Daň) for Foreigners: 2026 Bands, Eligibility and the January Deadline

The Czech flat tax replaces your tax return and social/health statements with one monthly payment: 2026 bands, eligibility, the January deadline, and the catch.

Guides · 7 July 2026 · 8 min read

How to Get a Trade Licence (Živnostenský List) as a Foreigner in Czech Republic: 2026 Step-by-Step

The complete 2026 guide to getting a Czech trade licence (živnostenský list) as a foreigner. EU vs non-EU rules, exact documents, fees, timelines, and what to do after you get your IČO.

Taxes · 7 July 2026 · 7 min read

Minimum Social & Health Insurance for Self-Employed in Czech Republic 2026 (Including the July Cut)

Czech OSVČ advances in 2026: minimum social and health amounts, the July change, exemptions for new and side activities, and payment deadlines.

Guides · 7 July 2026 · 4 min read

Invoicing Slovakia 2026: reverse charge step by step

How to invoice a Slovak client: reverse charge, the identified-person duty for non-VAT payers, checking the VAT number in VIES, and invoicing in euros.

Taxes · 7 July 2026 · 9 min read

VAT limit 2026: two turnover thresholds explained

In 2026 you become a Czech VAT payer under two turnover limits — CZK 2,000,000 and CZK 2,536,500. The difference, the calendar-year rule and the deadlines.

Taxes · 6 July 2026 · 5 min read

How much of your invoicing stays yours as an OSVČ in 2026

You invoice 50,000 or 100,000 CZK a month — how much of it is really yours? The full 2026 calculation of tax and insurance on three worked examples.

Guides · 6 July 2026 · 5 min read

Does an OSVČ need a business bank account in Czechia?

No Czech law requires a business account — but banks often ban business use of personal ones and VAT payers must report their accounts. When to open one.

Features · 5 July 2026 · 5 min read

Export to Pohoda and Money S3: one file for your accountant

Taxorio exports your invoices and expenses as XML for Pohoda and Money S3. No retyping — your accountant imports the package in a few clicks. How it works.

Taxes · 3 July 2026 · 5 min read

OSVČ přehled 2026: deadlines, fines and how to file it

When to file the přehled of income and expenses with ČSSZ and your health insurer in 2026, how the insurance balance is calculated and what late filing costs.

Features · 29 June 2026 · 3 min read

Phone half private, car 80%? Set the percentages once

Claim only the business part of an expense without doing the maths: set a default percentage per category in Taxorio and every new document arrives pre-filled.

Features · 27 June 2026 · 5 min read

Receipts in euros or dollars: converted at the ČNB rate

Which exchange rate applies to an expense in EUR or USD? Taxorio uses the ČNB daily rate for the supply date and confirms such receipts in bulk.

Features · 25 June 2026 · 6 min read

ISDOC: the invoice you never have to retype

What ISDOC is, how to open an .isdoc file and why it beats a PDF. Taxorio now imports ISDOC invoices and embeds one in every invoice it issues.

Guides · 24 June 2026 · 10 min read

Freelancing in Czech Republic as a Foreigner: 2026 Guide

Step-by-step guide for foreign freelancers in Czech Republic: getting a živnostenský list, registering with ČSSZ, health insurance, and tax residency in 2026.

Taxes · 24 June 2026 · 7 min read

Got a Letter from the Czech Tax Office? Here's What to Do

Received an official letter from the Czech tax office (finanční správa)? What common notices mean, how to respond, and what happens if you miss the deadline.

Guides · 24 June 2026 · 8 min read

How to Invoice a Foreign Client from Czech Republic

Step-by-step guide for Czech freelancers (OSVČ) on invoicing EU and non-EU clients — VAT rules, reverse charge, IBAN/SWIFT requirements, and required invoice fields.

Taxes · 24 June 2026 · 7 min read

Health Insurance for Self-Employed Foreigners in Czech Republic

Who must have Czech health insurance as a self-employed foreigner (OSVČ), how to register with VZP or another insurer, and what advances to pay in 2026.

Taxes · 24 June 2026 · 9 min read

Working Remotely in Prague for a Foreign Company — Tax Guide

Tax guide for digital nomads and remote workers in Prague: do you need OSVČ, when do you become a Czech tax resident, and how do double taxation treaties protect you.

Features · 8 June 2026 · 11 min read

Run Taxorio from a chat: invoices, VAT and payments

Ready-made prompts for running Taxorio from an AI assistant over MCP: issue invoices, check VAT, watch the flat-tax limit and match bank payments.

Taxes · 8 June 2026 · 12 min read

Reverse charge on foreign services: the VAT people miss

Invoices from Facebook, Google Ads, AWS or OpenAI can create a Czech VAT liability even for a non-payer. How reverse charge works and who it hits.

Guides · 8 June 2026 · 12 min read

Switching invoicing software mid-year without losing data

You do not have to wait for January to change invoicing software. How to prepare your documents, keep invoice numbering sane and move the history over.

Taxes · 8 June 2026 · 14 min read

Creator and influencer taxes in Czechia 2026

When a channel becomes a business, how AdSense and paid collaborations are taxed, why free products count as income, and what a creator can actually deduct.

Taxes · 8 June 2026 · 15 min read

Taxes and invoicing for consultants in Czechia

High margin, almost no costs — that changes your whole tax strategy. A 2026 guide to the flat tax, flat-rate expenses, VAT on foreign work and pricing.

Features · 8 June 2026 · 4 min read

Did your client open the invoice? Taxorio shows it

Taxorio now shows on each invoice whether the e-mail reached the client and whether it was opened — plus an honest note on where open tracking stops working.

Taxes · 29 May 2026 · 7 min read

Flat tax, flat-rate or real expenses: which wins in 2026

Three ways to tax self-employed income in Czechia in 2026. Amounts, ceilings and a decision guide showing which of the three regimes will save you the most.

Features · 28 May 2026 · 6 min read

Automatic bank payment matching in Taxorio

Forward your bank notifications to a unique Taxorio address, let the AI read the payment and match it to an open invoice, and confirm it with a single click.

Guides · 21 May 2026 · 5 min read

Czech trade licences: the four types explained

Unregulated, craft, regulated or concession — the four kinds of Czech trade licence, what each one demands of you, the 2026 fees and how to file the notification.

Taxes · 10 May 2026 · 6 min read

Income tax advances for the self-employed in 2026

When a Czech sole trader has to pay income tax advances in 2026, how the 40% and 25% bands are calculated, the due dates, and how to ask the tax office to reduce them.

Features · 1 May 2026 · 9 min read

Four ways to get your receipts into Taxorio

Drag and drop, the browser camera, a QR code for phone scanning, or forwarding by e-mail — four ways to get documents into Taxorio, and what the AI reads from each.

Features · 14 April 2026 · 6 min read

Expense categories in Taxorio: a guide by profession

Every expense category in Taxorio — what belongs in each one, which trades need it, which two are not tax deductible, and how the AI parser sorts documents for you.

Guides · 14 April 2026 · 7 min read

Invoicing for translators and copywriters in Czechia

How translators and copywriters invoice in Czechia: VAT on services, EU and non-EU clients, the reverse charge, time records and author royalties. A 2026 guide.

Taxes · 10 April 2026 · 7 min read

Marketing and advertising as a tax expense in Czechia

What marketing a Czech sole trader can deduct: ads, website, design, print and trade fairs — plus the entertainment rule and the VAT trap on Google and Meta invoices.

Taxes · 9 April 2026 · 10 min read

VAT registration in Czechia, step by step

From the decision to your first return: the application, the documents the tax office asks for, what changes on your invoices, and the deadlines you now have to keep.

Taxes · 7 April 2026 · 11 min read

When to register for VAT in Czechia: 5 signs

Mandatory and voluntary VAT registration for Czech sole traders: the two turnover thresholds, and five signals that registering early is worth the extra paperwork.

Taxes · 5 April 2026 · 9 min read

Credit notes and corrective tax documents in Czechia

When a Czech invoice needs a corrective tax document, what it must contain, how it reaches your VAT return and control statement, and how to issue one in Taxorio.

Taxes · 29 March 2026 · 6 min read

Phone, internet and software as tax expenses

How a Czech sole trader claims phone, internet, SaaS subscriptions and hardware: the business-use split, the CZK 80,000 line, and which category each expense belongs in.

Guides · 25 March 2026 · 8 min read

How to issue an invoice as a sole trader in Czechia

Issuing an invoice as a Czech sole trader step by step: mandatory details, numbering, due dates, QR payments and what changes if you are registered for VAT.

Taxes · 25 March 2026 · 9 min read

VAT returns in Czechia 2026: a guide for sole traders

Filing a Czech VAT return in 2026: who must file, monthly and quarterly periods, deadlines, the DPHDP3 form, electronic filing and penalties for late filing.

Taxes · 25 March 2026 · 9 min read

VAT control report 2026: rules, deadlines and fines

The Czech VAT control report in 2026: who files it, how sections A and B work, the CZK 10,000 threshold, deadlines, fines and how to respond to a notice.

Guides · 25 March 2026 · 10 min read

Czech tax records of income and expenses: full guide

How a sole trader keeps Czech tax records under Section 7b of the Income Tax Act: the cash basis, what to record, deductible expenses and the year-end close.

Guides · 22 March 2026 · 8 min read

Free invoicing software for Czech sole traders in 2026

What to look for in free invoicing software for a Czech sole trader in 2026: invoice details, numbering, QR payments, ARES lookup and free-plan limits.

Features · 20 March 2026 · 7 min read

QR Payment on an Invoice: How to Create the Code (2026)

How to put an SPD payment QR code on a Czech invoice, which details to check before you send it out, and where the code helps and where it does not.

Guides · 19 March 2026 · 11 min read

Non-Paying Clients: How to Handle Overdue Invoices

What to do when a client does not pay: the escalation from a friendly nudge through statutory late interest to court, plus how to calculate what you are owed.

Features · 18 March 2026 · 7 min read

AI Document Recognition for Expense Records

How AI reads receipts and supplier invoices into your expense records: what it extracts, where it gets things wrong, and how to photograph documents well.

Guides · 17 March 2026 · 9 min read

Cash Flow for the Self-Employed: How to Stay Liquid

Profit is not cash. How to track incoming and outgoing money as a sole trader in Czechia, plan for tax deadlines and keep a reserve that survives a late client.

Taxes · 17 March 2026 · 5 min read

VAT on Advance Payments: When the Tax Becomes Due

When VAT on an advance must be declared, which date counts for a prepayment, why a proforma is not a tax document, and how the final invoice deducts the advance.

Taxes · 16 March 2026 · 10 min read

Income tax for the self-employed in Czechia 2026

How Czech sole traders are taxed in 2026: the 15% and 23% bands, tax credits, flat-rate expenses, advance payments and how to file the DPFDP7 return.

Taxes · 14 March 2026 · 9 min read

Czech VAT rates 2026: 21%, 12% and exempt books

The VAT rates a Czech business charges in 2026: 21% standard, 12% reduced, and books exempt with the right to deduct. Plus when you must register.

Taxes · 13 March 2026 · 9 min read

Reverse charge in Czechia: how to invoice it right

When the Czech reverse charge applies, what the invoice must show, and how the supply is reported on line 25 of the VAT return and in section A.1.

Taxes · 11 March 2026 · 11 min read

Invoicing in foreign currency: rates and FX differences

Which ČNB exchange rate to use on a euro or dollar invoice, how VAT is converted into CZK, and how exchange rate differences work for Czech sole traders.

Guides · 11 March 2026 · 6 min read

AI or an accountant? When Taxorio is enough

An honest look at what an app with an AI assistant can handle for a Czech sole trader, and the six situations where you still need a tax adviser.

Taxes · 10 March 2026 · 9 min read

VAT payer obligations in 2026: what you must do

What a Czech VAT payer has to do in 2026: registration thresholds, the 21% and 12% rates, VAT returns, control statements, filing deadlines and e-filing.

Guides · 9 March 2026 · 7 min read

Monthly closing in 15 minutes: a routine for sole traders

A five-step monthly routine for Czech sole traders: check issued invoices, record expenses, read the dashboard, handle VAT and archive. No March panic.

Features · 9 March 2026 · 7 min read

Taxorio MCP integration: control your records through Claude or another AI assistant

Connect Taxorio to Claude or a compatible AI assistant on PRO. Find invoices, manage clients and prepare exports with browser sign-in and clear permissions.

Guides · 8 March 2026 · 6 min read

ARES search by IČO: check a Czech company for free

How to look a Czech company up in the free ARES register by IČO or name, check a business partner before you invoice, and why the details have to be exact.

Guides · 7 March 2026 · 9 min read

Invoicing recurring work: retainers and subscriptions

How to invoice recurring services as a Czech sole trader: naming retainers and flat rates, setting DUZP correctly, payment terms and automating the monthly run.

Guides · 6 March 2026 · 8 min read

Filing VAT electronically: XML export for EPO

How to file a Czech VAT return and control statement electronically. The DPHDP3, DPHKH1 and DPFDP7 XML formats, where to upload them and what gets rejected.

Taxes · 4 March 2026 · 9 min read

Deductible expenses for sole traders in 2026

What a Czech sole trader can deduct in 2026: which expenses qualify, which are excluded, how to split mixed private use, and when flat-rate expenses win.

Guides · 28 February 2026 · 8 min read

Keeping expense records as a Czech sole trader

How to keep expense records as a Czech sole trader: which document proves a cost, how long to archive it, and when a scan counts as much as the paper original.

Guides · 27 February 2026 · 11 min read

Your first year as a sole trader in Czechia

A guide to the first year as an OSVČ in Czechia: what to set up, how much to put aside for tax and insurance, what to invoice, and the mistakes that cost most.

Guides · 25 February 2026 · 8 min read

Year-end checklist for Czech sole traders

A month-by-month year-end checklist for Czech sole traders: the December clean-up, the January expense decision, and every filing deadline through to July.

Features · 24 February 2026 · 8 min read

Scan receipts with your phone: keep business expenses organised

Scan receipts into Taxorio from your phone, check the AI results and organise your expenses. Learn what makes a digital copy acceptable in Czechia.

Features · 22 February 2026 · 8 min read

Automatic invoice generation: Item templates and recurring billing

Speed ​​up invoicing with item templates, automatic numbering and pre-filled data. Practical guide for the self-employed.

Guides · 21 February 2026 · 10 min read

Invoicing for programmers: Specifics of IT freelancers in the Czech Republic

The complete invoicing guide for programmers and IT freelancers. Flat-rate expenses 60%, hourly vs. project rate, work for foreign clients and correct invoice details.

Guides · 20 February 2026 · 9 min read

How to create an invoice in Taxorio, step by step

A practical walkthrough of issuing an invoice in Taxorio: client, dates, items, VAT rates, automatic numbering and the PDF with a payment QR code.

Guides · 18 February 2026 · 8 min read

Setting up Taxorio: a complete first-run guide

Set up Taxorio step by step: business details, VAT status, bank account, invoice numbering, PDF template, percentage expenses and your first client.

Guides · 17 February 2026 · 10 min read

How to set your hourly rate as a sole trader

A step-by-step hourly rate calculation for Czech sole traders: net income, tax, insurance, overheads and the hours you can realistically bill.

Guides · 14 February 2026 · 8 min read

Recording expenses in Taxorio: receipt to tax return

How to record expenses in Taxorio: entering a document by hand, AI recognition from the inbox, categories, VAT deduction and the business-use percentage.

Taxes · 13 February 2026 · 9 min read

Penalties for sole traders and how to avoid them

Fines and interest a Czech sole trader can face for late filing, late payment and understated tax — the amounts, the law behind them and how to stay clear.

Features · 11 February 2026 · 9 min read

Excel or invoicing software: when to switch

Invoicing from a spreadsheet works until it does not. Ten things Excel cannot do for a Czech sole trader, the signals to move on, and how the switch works.

Guides · 8 February 2026 · 10 min read

12 invoicing mistakes Czech sole traders make

The twelve errors that show up most often on sole trader invoices in Czechia — missing details, wrong VAT rate, duplicate numbers — and how to prevent each.

Guides · 7 February 2026 · 10 min read

Tax adviser or invoicing app: which do you need?

When does a Czech sole trader manage with an invoicing app, and when is a tax adviser worth the money? Costs, clear-cut cases and how to combine both.

Taxes · 6 February 2026 · 8 min read

VAT payer or non-payer: a guide for sole traders

VAT payer or non-payer as a Czech sole trader: the registration limit, the duties that follow, the effect on your prices and a simple way to decide.

Taxes · 4 February 2026 · 8 min read

Czech tax calendar 2026 for the self-employed

Every 2026 filing date for Czech sole traders, month by month: VAT returns, control reports, the income tax return, annual statements and advances.

Taxes · 31 January 2026 · 10 min read

EC Sales List in Czechia: when and how to file it

Who has to file the Czech EC Sales List (souhrnné hlášení), how often, which transaction codes to use, how to submit it through EPO and what goes wrong.

Guides · 26 January 2026 · 7 min read

Invoice numbering rules for Czech sole traders

How to number invoices as a Czech sole trader: what the VAT Act requires, the usual formats, how Taxorio numbers automatically and what migration means.

Features · 24 January 2026 · 8 min read

The Overview in Taxorio: income, expenses and VAT

How the Overview screen in Taxorio answers three questions: what is left after tax and contributions, what needs your decision, and which deadlines are next.

Guides · 20 January 2026 · 8 min read

Czech invoice details: what must be on it in 2026

What a Czech invoice must contain in 2026: the tax document particulars under Section 29 of the VAT Act, a worked example, and the simpler rules for non-payers.

Taxes · 18 January 2026 · 11 min read

What is DUZP? The Czech date of taxable supply

What DUZP means, when it differs from the date of issue, and how to set it for a service, goods, an advance payment or a partial supply. With worked examples.

Features · 12 January 2026 · 7 min read

The price list in Taxorio: faster invoicing

How the price list in Taxorio works: save your regular services with a unit and a price, then add them to an invoice in one click. Setup, editing and examples.

Guides · 8 January 2026 · 8 min read

Filing a Czech tax return through a data box

Filing a tax return through a datová schránka: preparing the XML, choosing the right tax office and checking delivery. The e-filing deadline was 4 May 2026.

Guides · 6 January 2026 · 9 min read

Pausing or closing a Czech trade licence in 2026

Pausing or closing a živnost in 2026: who to notify, the 8-day and 15-day deadlines, what happens to your VAT registration and which records to keep.

Taxes · 20 December 2025 · 9 min read

Taxing income from Upwork, Fiverr and foreign clients

Czech tax residents pay tax here on worldwide income. How to handle Upwork and Fiverr payouts, double tax treaties, ČNB rates and reverse charge.

Taxes · 16 December 2025 · 11 min read

Missed the tax return deadline? A step-by-step plan

Late with your Czech tax return? The five-working-day grace period, how the §250 fine and §252 interest are calculated, and how to limit the damage.

Guides · 12 December 2025 · 12 min read

Archiving documents: what to keep and for how long

Retention periods for invoices, tax records, accounting documents and payroll. Digital archiving rules and what happens if you cannot produce a document.

Guides · 4 December 2025 · 6 min read

Filing your Czech tax return online in 2026: 3 ways

Data box, the MOJE daně portal or paper: three ways to file a Czech tax return in 2026, and why filing electronically gives you a month more time.