Voluntary VAT registration in the Czech Republic can significantly reduce a company’s costs. In some cases, a business may not only reduce the VAT it has to pay, but actually receive a refund of input VAT into its bank account.
One of the most favourable situations is when a business purchases goods or services subject to Czech VAT but sells them without charging Czech VAT while retaining the right to deduct input VAT. A typical example is a Czech company buying goods locally and then supplying them to a VAT-registered business in another EU country or exporting them outside the European Union.
Voluntary registration can also be beneficial for businesses operating primarily in the Czech B2B market. If your customers are themselves VAT registered, you can usually add VAT on top of your existing net price while deducting VAT paid on business expenses.
However, the opposite can also be true. If most of your customers are private individuals, you cannot increase your final prices, and your business has relatively little input VAT to deduct, VAT registration may reduce your financial margin.
There is also a separate category of activities where being VAT registered does not automatically provide the expected benefit: transactions that are exempt from VAT without the right to deduct input VAT (osvobozená plnění bez nároku na odpočet). These include, for example, certain healthcare and financial services.
Let us look at the main situations in more detail.
What Is Voluntary VAT Registration?
Value added tax in the Czech Republic is called DPH (daň z přidané hodnoty), while a VAT-registered business is referred to as a VAT payer (plátce DPH).
A business or self-employed person can register for VAT voluntarily before reaching the turnover threshold at which registration becomes mandatory.
For mandatory VAT registration, turnover is currently assessed on a calendar-year basis.
If turnover exceeds CZK 2,000,000, the business generally becomes VAT registered from 1 January of the following calendar year. Subject to the applicable conditions, it is also possible to opt to become VAT registered from the day following the date on which this threshold is exceeded.
If annual turnover exceeds CZK 2,536,500, VAT registration takes effect from the day after the higher threshold is exceeded.
If you are still below the mandatory registration thresholds, the decision to register voluntarily should therefore be based primarily on whether it makes financial sense for your particular business.
How Can VAT Registration Save a Business Money?
One of the main advantages of VAT registration is the right to deduct input VAT (nárok na odpočet DPH).
Suppose a company sells a product for:
CZK 10,000 + CZK 2,100 VAT.
To produce that product, it previously purchased materials for:
CZK 8,000 + CZK 1,680 VAT.
Provided the company has the full right to deduct the input VAT, it does not pay the entire CZK 2,100 collected from the customer to the tax authority.
Instead, it deducts the VAT already paid to its supplier:
CZK 2,100 − CZK 1,680 = CZK 420.
In simplified terms, this is how the VAT mechanism works:
output VAT − deductible input VAT = VAT payable.
However, input VAT cannot automatically be deducted on every purchase. The goods or services must be used for activities that give the business the right to deduct VAT, and the other statutory conditions must also be met.
In the examples below, we compare the financial result before income tax, corporate income tax and other compulsory payments. A business that is not VAT registered still pays taxes on its income or profit; here, we are isolating the effect of VAT registration itself.
One of the Most Favourable Cases: B2B Sales Abroad
Voluntary VAT registration can be particularly attractive for Czech businesses that incur VAT-bearing expenses in the Czech Republic while selling goods or services to business customers abroad.
The reason is straightforward: in certain situations, no Czech VAT is charged on the sale, while the right to deduct Czech input VAT is retained.
As a result, input VAT may exceed output VAT. This can create an excess VAT deduction (nadměrný odpočet), which may ultimately result in an actual VAT refund to the company.
Buying Goods in the Czech Republic and Selling Them to a Business in Another EU Country
Imagine a Czech company buying goods from a Czech supplier for:
CZK 100,000 + CZK 21,000 VAT = CZK 121,000.
The company then sells the goods to a German business for:
CZK 140,000.
The customer is VAT registered in Germany, the goods are actually transported from the Czech Republic to Germany, and all other conditions for the VAT exemption are met.
In this situation, the supply of goods to another EU Member State may qualify as a transaction exempt from Czech VAT with the right to deduct input VAT (osvobozené plnění s nárokem na odpočet).
The Czech company therefore invoices:
CZK 140,000 without Czech VAT.
Czech VAT charged on the sale:
CZK 0
At the same time, the company paid:
CZK 21,000 in input VAT
when purchasing the goods in the Czech Republic.
Provided all the conditions are met, this CZK 21,000 can be claimed as input VAT.
This creates a particularly favourable situation for a VAT-registered business:
there is no Czech VAT on the sale, while the CZK 21,000 VAT paid on the purchase remains deductible.
If the company does not have enough output VAT from other transactions during the same tax period, an excess VAT deduction may arise.
Economically, the goods purchased for CZK 121,000 therefore cost the business CZK 100,000 excluding VAT, provided the input VAT is fully deductible.
This is why the model of “buying in the Czech Republic with VAT and selling B2B to another EU country without Czech VAT while retaining the right to deduct input VAT” can be one of the most advantageous situations for a VAT-registered company.
Buying in the Czech Republic and Exporting Outside the EU
A similar principle applies to exports.
A company purchases goods for:
CZK 100,000 + CZK 21,000 VAT = CZK 121,000.
It then exports those goods, for example, to the United States for:
CZK 140,000.
Provided the statutory conditions are met, the export of goods outside the European Union is exempt from Czech VAT while preserving the right to deduct input VAT.
Therefore:
Czech VAT on the export sale: CZK 0
At the same time:
CZK 21,000 of input VAT on the purchase can be deducted.
If the company does not have sufficient output VAT from other transactions, this may again result in an excess VAT deduction and, ultimately, a VAT refund.
International trade is therefore a good example of why VAT registration can be financially beneficial: the company can recover VAT paid to Czech suppliers even though it does not charge Czech VAT on the foreign sale.
What If You Provide Services to Foreign B2B Customers?
The VAT treatment of services works somewhat differently from that of goods.
Under the general B2B rule, the place of supply (místo plnění) is normally where the business customer is established. There are, however, specific rules for certain types of services.
For example, suppose a Czech company provides a standard B2B service to a German company for:
CZK 100,000.
If the place of supply is Germany under the general rule, Czech VAT is not charged on the invoice.
To provide the service, the Czech company purchased goods and services locally for:
CZK 20,000 + CZK 4,200 VAT.
If these expenses relate to activities that give the company the right to deduct VAT, the CZK 4,200 of input VAT can be deducted.
The business may therefore be able to:
invoice its foreign B2B customer without Czech VAT
while at the same time
deducting Czech VAT on its local business expenses.
For companies that generate a significant proportion of their revenue from foreign B2B customers, this can be an important reason to consider voluntary VAT registration.
When VAT Registration Can Be Beneficial for Czech B2B Businesses
Voluntary VAT registration can also make financial sense for businesses operating entirely within the Czech Republic.
Suppose a company provides a service for:
CZK 10,000.
To provide the service, it purchases goods and services for:
CZK 2,000 + CZK 420 VAT = CZK 2,420.
Before VAT Registration
The customer pays:
CZK 10,000
The company pays its suppliers:
CZK 2,420
The CZK 420 of VAT included in those expenses cannot be deducted, so it remains part of the company’s costs.
Financial result:
CZK 10,000 − CZK 2,420 = CZK 7,580
After Voluntary VAT Registration
Now assume the customer is also VAT registered and has the full right to deduct input VAT.
The company can keep its existing net price and add VAT on top:
CZK 10,000 + CZK 2,100 VAT = CZK 12,100.
The company collects CZK 2,100 of output VAT from the customer.
However, it has already paid:
CZK 420 of input VAT
to its suppliers.
That CZK 420 can be deducted.
The VAT payable is therefore:
CZK 2,100 − CZK 420 = CZK 1,680.
The overall result is:
- CZK 12,100 received from the customer;
- CZK 2,420 paid to suppliers;
- CZK 1,680 VAT payable.
Financial result:
CZK 8,000.
Before registration, the result was CZK 7,580.
The difference is:
+CZK 420.
The improvement comes directly from the input VAT that was previously part of the company’s costs but became deductible after registration.
The more VAT-bearing expenses a business has, the greater this potential benefit may be.
The key assumption in this example is that the company can keep CZK 10,000 as its net price. If the customer is VAT registered and has the full right to deduct VAT, the VAT charged on top will generally be recoverable by that customer.
When VAT Registration Can Be Unfavourable: Private Customers
Now take the same business, but assume that its customers are private individuals.
The service costs:
CZK 10,000.
The company’s expenses are:
CZK 2,420, including CZK 420 VAT.
Before VAT registration, the financial result is:
CZK 10,000 − CZK 2,420 = CZK 7,580.
To retain the same CZK 10,000 net price after registration, the business would have to increase the customer price to:
CZK 10,000 + 21% VAT = CZK 12,100.
For a private customer, however, this represents a real price increase. Unlike a VAT-registered business, an individual consumer cannot recover the VAT.
Now assume competitive pressure means the price cannot be increased and the customer must continue paying:
CZK 10,000 including VAT.
At the standard 21% VAT rate, this amount consists of approximately:
CZK 8,264 net price
and
CZK 1,736 VAT.
The business can still deduct the CZK 420 of input VAT paid to suppliers.
The VAT payable is therefore:
CZK 1,736 − CZK 420 = CZK 1,316.
Overall:
- CZK 10,000 received from the customer;
- CZK 2,420 paid to suppliers;
- CZK 1,316 paid as VAT.
The company is left with:
CZK 6,264.
Before VAT registration:
CZK 7,580
After VAT registration:
CZK 6,264
Difference:
−CZK 1,316
The input VAT deduction saved the business CZK 420, but this was not enough to offset the VAT that had to be taken out of the existing final price.
For businesses serving mainly consumers, one of the most important questions before voluntary registration is therefore:
Can VAT be added on top of the current price, or will it have to be absorbed within the price customers already pay?
The More VAT-Bearing Expenses You Have, the More Attractive Registration May Become
The structure of a company’s expenses has a direct impact on the potential benefit of VAT registration.
If a business regularly purchases materials, equipment, subcontractor services, rent or other goods and services subject to VAT, the potential input VAT deduction increases.
Two companies may therefore have identical revenue but very different outcomes from VAT registration.
The status of suppliers also matters. If a supplier is not VAT registered and does not charge VAT, there is no input VAT to deduct from that purchase.
The relevant question is not simply how high your expenses are, but how much deductible input VAT is actually included in those expenses.
Large Purchases Can Make VAT Registration More Attractive
Voluntary VAT registration may also be worth considering before making a significant business investment.
Suppose a company purchases equipment for:
CZK 100,000 + CZK 21,000 VAT = CZK 121,000.
A non-VAT-registered business pays the full CZK 121,000 and cannot claim the CZK 21,000 VAT as an input tax deduction.
A VAT-registered business with the full right to deduct VAT may claim:
CZK 21,000 of input VAT.
The economic cost of the purchase is therefore:
CZK 100,000.
Purchasing equipment, machinery or other expensive business assets can therefore materially change the calculation of whether voluntary VAT registration is worthwhile.
Specific conditions and limitations may apply depending on the type of asset and how it is used, so significant investments should ideally be assessed before the transaction takes place.
What If You Buy Services from Foreign Companies?
Another important situation concerns businesses that pay for foreign advertising, software, SaaS subscriptions and other services supplied from abroad.
A non-VAT-registered business may, in certain circumstances, become an identified person (identifikovaná osoba).
An identified person is not the same as a fully VAT-registered business.
In certain situations, an identified person must calculate and pay Czech VAT on services received from abroad, but does not have the standard right of a VAT payer to deduct that input VAT.
Suppose a foreign service costs:
CZK 10,000.
If Czech VAT at 21% must be accounted for, the identified person calculates:
CZK 2,100 VAT.
That VAT has to be paid, but the identified person cannot claim it back as input VAT.
The total economic cost of the service therefore becomes:
CZK 10,000 + CZK 2,100 = CZK 12,100.
A fully VAT-registered business with the full right to deduct VAT is in a different position.
It also accounts for:
CZK 2,100 VAT
but can simultaneously claim:
CZK 2,100 as deductible input VAT.
In this simplified example, the net VAT impact is therefore:
CZK 0.
Significant recurring expenditure on foreign services can therefore be a strong reason to consider voluntary VAT registration.
However, those savings cannot be assessed in isolation. You also need to calculate what VAT registration will mean for your own sales.
When VAT Registration Does Not Give You the Right to Recover VAT
There is another important category of transactions: supplies exempt from VAT without the right to deduct input VAT (osvobozená plnění bez nároku na odpočet).
These should not be confused with exports or qualifying B2B supplies of goods to another EU country.
In both situations, an invoice may contain no Czech VAT, but the consequences are very different.
For a transaction exempt with the right to deduct input VAT, VAT on related business expenses may still be recoverable.
For a transaction exempt without the right to deduct input VAT, it is not.
Czech VAT legislation places certain financial and insurance transactions, healthcare services, education, social care and some real-estate transactions in this second category.
Example: Healthcare Services
Suppose a medical clinic provides healthcare services that meet the statutory conditions for VAT exemption.
The clinic purchases equipment for:
CZK 100,000 + CZK 21,000 VAT = CZK 121,000.
The equipment is used exclusively to provide healthcare services that are exempt from VAT without the right to deduct input VAT.
Even if the clinic is VAT registered, it cannot simply claim the CZK 21,000 as deductible input VAT.
The VAT remains part of the cost of the equipment.
VAT registration therefore does not automatically mean that VAT on every business purchase can be recovered.
For a business whose income consists mainly of transactions exempt without the right to deduct VAT, voluntary registration may provide little or no expected benefit from input VAT recovery while at the same time increasing its administrative obligations.
Example: Financial Services
A similar principle applies to many financial services.
Certain transactions involving securities, lending and credit, payment services and other financial activities are exempt from VAT without the right to deduct input VAT.
If a company incurs costs directly related to those exempt activities, the associated input VAT generally cannot be deducted.
There are, however, exceptions, including certain financial and insurance transactions connected with customers or activities outside the EU. Individual cases therefore need to be assessed separately.
What If a Business Has Several Types of Activity?
A company may simultaneously carry out:
- taxable transactions;
- VAT-exempt transactions with the right to deduct;
- VAT-exempt transactions without the right to deduct.
For example, part of a medical centre’s activity may consist of exempt healthcare services while another part may involve taxable services.
In that situation, the company cannot automatically deduct all VAT on shared expenses.
Where the same purchase is used both for activities that give the right to deduct VAT and for activities that do not, a reduced or proportionate input VAT deduction (odpočet daně v krácené výši) may apply.
Businesses with mixed activities therefore need to assess VAT registration based on the actual structure of both their revenue and expenses.
Additional VAT Obligations Also Cost Money
VAT registration gives a business the right to deduct VAT, but it also creates additional accounting and reporting obligations.
A VAT-registered business must maintain appropriate VAT records, issue compliant tax documents and file a VAT return (daňové přiznání k DPH). Depending on its activities, it may also have to submit a VAT Control Statement (kontrolní hlášení) and an EC Sales List / Recapitulative Statement (souhrnné hlášení).
The basic VAT reporting period is generally a calendar month, subject to the applicable rules.
Any potential tax saving should therefore also be compared with the additional cost of accounting and tax compliance.
When Is Voluntary VAT Registration Worth It — and When Is It Not?
- It can be particularly advantageous when a business buys goods or services subject to Czech VAT and then supplies goods B2B to customers in other EU countries, exports outside the EU, or provides services to foreign B2B customers where the place of supply is outside the Czech Republic, while retaining the right to deduct input VAT. In these situations, the business may actually receive a refund of excess input VAT.
- It is often beneficial when most Czech customers are themselves VAT registered, VAT can be added on top of the current price, and the business has substantial VAT-bearing expenses. Registration may also be attractive before major investments or where the business has significant recurring expenditure on foreign services.
- It is often unfavourable when most customers are private individuals, prices cannot be increased, and the business has little input VAT to deduct. VAT then has to be absorbed into the existing selling price, while the available deductions may not be sufficient to offset the reduction in margin.
- It may provide little or no expected input VAT benefit where most of the company’s revenue comes from transactions exempt from VAT without the right to deduct input VAT, such as qualifying healthcare or certain financial services. VAT on expenses directly related to those activities generally cannot be recovered even by a VAT-registered business.
Conclusion
Voluntary VAT registration in the Czech Republic is not simply a question of turnover.
To determine whether it makes financial sense, you need to establish:
- whether Czech VAT applies to your sales;
- whether VAT can be added on top of your current prices;
- how much input VAT is included in your business expenses;
- whether you are entitled to deduct that VAT;
- whether you work with foreign B2B customers;
- whether any of your activities are exempt from VAT without the right to deduct input VAT.
Voluntary VAT registration is often most attractive where little or no Czech VAT is due on sales while input VAT on purchases remains deductible. In these situations, a business may not merely reduce its VAT liability — it may actually become entitled to a VAT refund.
By contrast, if VAT has to be absorbed into existing prices and there is little or no input VAT available for deduction, voluntary registration can reduce the financial result of the business.
Before submitting a VAT registration application, it is therefore worth comparing both scenarios using the company’s actual sales and expenses.
The DoMyTax team can assess your revenue and cost structure, estimate the potential input VAT deduction and help you with VAT registration in the Czech Republic and ongoing tax compliance.
If you have questions, you can contact DoMyTax for a professional tax consultation.
In addition to tax advisory services, you can also order ongoing accounting services, company registration assistance, or support with company liquidation and closure procedures in the Czech Republic.
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