3% with VAT or 5% without VAT in 2026: what is more выгодно for Group 3 of the single tax

The author of the article: Denis Korablyov

Modified date: 20 February 2026

You are on the 3rd group of the single tax and facing a choice: select the 3% rate with VAT or 5% without VAT? Or are you already operating at 5% but considering switching to 3% and registering as a VAT payer? This is not a simple decision. On the one hand, the 3% rate is 2% lower – the savings are obvious. On the other hand, VAT means additional reporting, audits, invoice blocking, and extra time and accounting costs. 

In this article, we explain when it truly makes sense for an individual entrepreneur or company to register as a VAT payer, how to calculate the financial benefit of switching to 3%, what mistakes entrepreneurs most often make, and why in some cases it is better to stay at 5% even with annual revenue exceeding UAH 1 million.

Who Can Be a VAT Payer Under the Single Tax System

Not all single tax payers are eligible to register as VAT payers. Legislation clearly defines who has this right. 

1. Third group taxpayers who have chosen the 3% rate of income + VAT payment. This includes both individual entrepreneurs and legal entities.
2. Agricultural producers – taxpayers of the fourth group.

All other groups – first, second, and third with the 5% rate – are not allowed to register as VAT payers.

If you meet the criteria, the 3% + VAT rate can be chosen in three ways:

• you already have VAT payer status and switch to the simplified taxation system – you automatically choose the 3% rate;

• you operate under the third group at 5% and decide to switch to 3% – you submit an application to the tax authority;
• you register as a new individual entrepreneur or legal entity and immediately decide to become a VAT payer.

3% VAT Rate: What It Gives You and What Pitfalls to Expect

Let’s now take a detailed look at what the 3% rate with VAT registration gives you and what you need to be prepared for.

1. Lower tax rate 

The rate is 2% lower, so if your revenue is, for example, UAH 500,000 per month, you save UAH 10,000 monthly or UAH 120,000 per year. At the 5% rate you would pay UAH 25,000, while at 3% – only UAH 15,000.

2. More attractive to VAT-paying clients

Companies that pay VAT themselves receive a tax credit from you, so they are more willing to work with VAT payers. This increases your competitiveness.

3. Tax credit on your expenses

VAT paid to suppliers when purchasing goods or services can be included in your tax credit and used to reduce the amount of tax payable to the budget.

4. Possibility of VAT refund

If your tax credit exceeds your VAT liabilities, you can either carry forward the negative balance to future periods or apply for a refund to your bank account.

However! If the amount exceeds UAH 100,000 – this automatically triggers an unscheduled tax audit. 

5. Suitable for preferential activities (IT, export)

If you provide IT export services or export goods, VAT may not be charged, but you can still choose the 3% rate and save 2% on the single tax.

The 3% + VAT rate can be beneficial only when your clients or partners also operate with VAT, and when the volume of expenses generating tax credit is sufficient to compensate for the additional administrative effort.

When Should You Choose the 3% + VAT Rate?

The 3% + VAT rate is suitable for those working with large clients, having significant expenses, or wanting to officially claim VAT refunds. Here are the main situations where this option is beneficial:

1. High business profitability

If your profitability exceeds 15–17%, the tax savings will be noticeable.
→ With annual profit of UAH 300,000, the 3% + VAT rate provides more net income than 5% without VAT.
For individual entrepreneurs – from 15.4%, for legal entities – from 16.7%.

2. Working with VAT payers (LLCs, corporations)

If your clients are companies or large entrepreneurs, they require VAT invoices to claim tax credit.
→ Without VAT, you are uncompetitive or forced to offer a ~20% discount. Therefore, VAT is essential in the B2B sector.

3. Preferential or zero-rated operations

If your activity is exempt or subject to a 0% rate (for example, exports or IT services to non-residents),
you can register as a VAT payer and save 2% without actually paying VAT.

4. Intermediaries (agents, commission agents)

For agency and commission contracts, the VAT rate is beneficial because the single tax is paid only on the commission fee, not on the entire amount passing through you.

5. Importers and foreign economic activity

If you import goods for VAT payers, VAT registration allows you to pass the input VAT credit to your clients and remain competitive.

6. High VAT-related expenses

Construction, manufacturing, trade – if you purchase a large amount of goods or materials with VAT, you can include this tax in your input VAT credit and achieve significant savings.

Therefore, the conclusion is: the 3% + VAT rate is suitable for companies with high profitability, substantial expenses, B2B clients, or preferential operations. It is more complex administratively, but it opens access to a wider market and provides opportunities for tax optimization.

When Should You Choose the 5% Rate Without VAT?

The 5% rate without VAT is suitable for those who value simplicity, stability, and minimal bureaucracy. Here is when it becomes the most reasonable choice:

• Low profitability (up to 15%). If your margin is small, VAT-related costs will consume the entire savings.
  → Lower profit – the 5% rate is more beneficial.
• Clients are individuals or non-VAT payers. Beauty salons, consultants, online stores – your clients do not need VAT credit, so it is easier to operate without VAT.
• Revenue exceeds UAH 1 million, but you do not want to register for VAT. Switching to the 5% rate allows you to remain under the single tax system even with annual revenue of UAH 3–5 million.
• Travel agents, commission agents, resale of used goods. Tax is paid only on the commission fee, so 5% is often cheaper than 3% + VAT.
• Focus on simplicity and peace of mind. Minimal reporting, fewer inspections, no need for a full-time accountant – ideal for small businesses.

If your clients do not require VAT and your business operates with a small margin – the 5% rate will save both money and stress. If you cooperate with LLCs or large companies – 3% + VAT is usually more advantageous.

How to Calculate the Benefit: 3% + VAT or 5% Without VAT?

If your margin/profitability is around 15–17%, switching to 3% + VAT often results in savings. However, the final answer can only be determined after calculating input VAT credit and VAT administration costs.

Tip: create your own mini table in Google Sheets – enter your revenue, expenses, and accounting costs. In just 2 minutes, you will clearly see which rate is truly more beneficial for your situation.

Mandatory VAT Registration After UAH 1 Million: What a 3rd Group Entrepreneur Should Know

A separate important issue is when VAT registration becomes mandatory rather than voluntary. According to the Tax Code, VAT registration becomes mandatory if:

over the last 12 calendar months, the total supply of goods or services exceeded UAH 1,000,000 (excluding VAT).

Important: this is calculated not by calendar year but by any consecutive 12-month period.

What to do after exceeding the threshold?

1. Register as a VAT payer – submit an application to the tax authority after reaching the threshold.
   
2. Or switch to the 5% rate without VAT – if you were already at 3% + VAT, submit a transition application, and the tax authority will deregister you as a VAT payer. After switching to 5%, you may have annual revenue of UAH 3–7 million and still remain without VAT.

The rule “UAH 1 million = mandatory registration” does not apply to single tax payers of the 3rd group at the 5% rate without VAT. This means you can legally operate without VAT even with high turnover, as long as you do not exceed the third group income limit.

How to Register as a VAT Payer: Step-by-Step Guide

If you decide to become a VAT payer, you should understand the registration procedure.  First, determine the grounds and the registration date:

Prepare and submit Form 1-VAT (VAT registration application). The application can be submitted via the taxpayer’s electronic cabinet or in paper form to the tax authority. It is better to submit electronically, as you will automatically receive confirmation of the date and time of submission.

Transition from the 5% rate → to 3% + VAT (3rd group single tax payers) 

You must submit two applications: 

• an application to change the single tax rate to 3% at least 15 calendar days before the beginning of the quarter
• an application for VAT registration no later than 20 days before the beginning of the tax period

Important point: VAT registration will take effect from the 1st day of the quarter in which you switch to 3%.

For VAT registration, additional documents are usually not required – the application itself is sufficient. However, if you have/acquired fixed assets, real estate, equipment, vehicles, etc., you must submit Form 20-OPP (notification of taxable objects) within 10 days from the appearance/change of the object.

Why is this so important for VAT payers? Because if you purchased fixed assets – equipment or a vehicle – and did not submit Form 20-OPP, the tax authority may not recognize this property as being used in business activities. In that case, they may charge VAT on the entire input VAT credit related to this property. Additionally, there may be issues with blocking of tax invoices.

Transitional Operations: What to Do with Unfinished Contracts

A separate complex issue is what to do with contracts that have already been signed but not yet fully performed when you change your VAT payer status.  The key is to correctly determine when VAT liability arises and avoid losing money due to improper documentation.

Example scenario: You are a 3rd group entrepreneur (5% rate without VAT)

1. in June, you signed a contract for UAH 500,000 (excluding VAT)
2. in June, you received an advance payment of UAH 100,000
3. from July 1, you switched to the 3% + VAT rate
4. in July, you provided the service and signed the completion act

In this case:

To avoid disputes and losses, include in your contracts in advance the following clause: “In the event of a change in the tax status of the parties (VAT registration/deregistration), the contract price shall be adjusted in accordance with applicable legislation.”

Common mistakes: real cases that cost money

VAT refund without Form 20-OPP

An individual entrepreneur purchased a car for UAH 600,000 and requested a VAT refund of UAH 130,000. The tax authority initiated an audit and additionally assessed VAT because the entrepreneur did not submit Form 20-OPP.
Solution: before requesting a VAT refund, always check your documents and Form 20-OPP. If the amount exceeds UAH 100,000 – expect an audit. It is often safer to offset the “negative balance” against future tax liabilities.

This is the main reason for blocking of tax invoices in 2026.

“Non-taxable” IT business and the risk of losing VAT status

A company operating at 3% + VAT provided services to non-residents (non-taxable transactions) and during the year had no VAT-taxable operations. The tax authority may cancel VAT registration if for 12 consecutive months the VAT returns show zero activity.
Solution: if you operate under preferential rules, make at least one minimal VAT purchase per year (for example, office supplies) to avoid deregistration.

Each case is not just a story, but a signal: even small details (form, date, code, zero return) can cost thousands. Always check documents before submission, consult with an accountant, and do not postpone reporting “for later.”