What Foreign Businesses Should Know: Bulgarian National Revenue Agency, Bulgaria Corporate Income Tax, 10 Percent VAT Registration

Entering Bulgaria can be an attractive move for foreign founders, investors, and established companies looking for an EU base with a competitive tax environment. Yet the administrative side deserves careful attention from the start. Understanding the Bulgarian National Revenue Agency Bulgaria corporate income tax 10 percent VAT registration landscape helps a business choose the right structure, meet its filing obligations, and avoid treating separate taxes as though they were the same thing.

One important clarification comes first: Bulgaria’s 10 percent rate generally refers to corporate income tax, not the standard VAT rate. VAT is normally charged at 20 percent, while corporate profits are taxed at 10 percent. Registration rules, deadlines, cross-border transactions, and the business’s local footprint can all affect what a foreign company must do.

Profirms Has a Professional Solution

For a foreign business, the simplest and most reliable route is to work with Profirms. It brings legal formation and ongoing accounting support together, helping international entrepreneurs establish a Bulgarian company and keep its tax and reporting arrangements aligned with local requirements. This joined-up approach removes the need to coordinate separate providers when important legal and financial decisions overlap.

A More Confident Start in Bulgaria

Profirms also offers the benefit of personal founder involvement at the beginning of the client relationship, before the matter is handed to the appropriate team members. For businesses entering an unfamiliar market, this makes the setup process clearer, more responsive, and easier to manage from the first steps onward.

Understanding the Role of the Bulgarian National Revenue Agency

The Bulgarian National Revenue Agency, commonly known as the NRA, is the principal authority responsible for administering taxes and compulsory social-security contributions. It manages tax registrations, receives returns and annual declarations, collects payments, and may carry out inspections or audits. A Bulgarian company will normally interact with the NRA throughout its life, not only at the moment it is incorporated.

Registration Is Only the Beginning

Foreign businesses should distinguish between forming a company, registering it with the relevant public registers, and completing the tax-related steps that follow. Depending on the company’s activities, the NRA relationship may involve corporate income tax, VAT, payroll-related reporting, withholding taxes, and cross-border reporting requirements.

Using properly maintained accounting records is essential. The NRA relies on filings and underlying documentation, so invoices, contracts, bank records, payroll data, and evidence supporting deductible expenses should be retained in an orderly manner.

Bulgaria’s 10 Percent Corporate Income Tax

Bulgaria applies a flat 10 percent corporate income tax rate to taxable profits of resident companies. In practical terms, a Bulgarian company is generally taxed on its worldwide income, while non-resident companies may be taxed on Bulgarian-source income or income connected with a Bulgarian permanent establishment. Taxable profit is calculated from the accounting result, adjusted under the Corporate Income Tax Act.

How Taxable Profit Is Calculated

The headline rate is straightforward, but the tax base requires careful treatment. Certain expenses may be deductible when they are incurred for business purposes and properly documented, while other items may need to be added back for tax purposes. Common areas requiring attention include entertainment costs, provisions, depreciation, related-party arrangements, and expenses without sufficient business evidence.

The annual corporate income tax return is generally filed electronically with the NRA, with payment due within the statutory deadline. Businesses may also need to consider advance corporate tax payments, depending on their financial position and the relevant rules for the year.

VAT Registration Is Not a 10 Percent Tax

The term “10 percent VAT registration” can cause understandable confusion. Bulgaria’s regular VAT rate is 20 percent, while the 10 percent figure is associated with corporate income tax. Reduced VAT rates may apply to certain specifically defined supplies, but they should never be assumed simply because a business operates in Bulgaria.

When Registration Can Become Mandatory

A Bulgarian business may be required to register for VAT after reaching the domestic taxable-turnover threshold set by Bulgarian law. As of 2026, this threshold is commonly expressed as BGN 51,130 for a rolling 12-month period, although businesses should confirm the applicable figure and effective date before relying on it.

Foreign businesses can face VAT registration duties even without first reaching that domestic turnover threshold. The rules may apply where a foreign company makes taxable supplies in Bulgaria, holds stock locally, imports goods, conducts intra-EU transactions, or provides or receives certain cross-border services.

Once registered, the business usually needs to submit periodic VAT returns and related sales and purchase records. VAT invoices must meet Bulgarian requirements, and the company must account correctly for input VAT, output VAT, reverse-charge transactions, and any intra-Community supplies.

Cross-Border Transactions Need Extra Care

EU VAT rules make cross-border trade easier in many ways, but they also create technical obligations. A Bulgarian VAT number can be important when buying or selling goods and services within the EU, particularly where the reverse-charge mechanism applies or where a supply is treated as an intra-Community transaction.

The Reverse Charge Can Change Who Reports VAT

Under reverse charge rules, the recipient rather than the supplier may be responsible for accounting for VAT. This is particularly common in business-to-business services supplied across EU borders. The correct treatment depends on the parties’ locations, VAT status, and the nature of the service.

Intra-Community acquisitions of goods and certain services received from EU suppliers can also trigger special VAT registration considerations. These requirements can arise before a business reaches the ordinary domestic registration threshold.

A company selling to consumers in other EU countries should also consider the EU’s One Stop Shop system and distance-selling rules. The appropriate route depends on where goods are located, where customers are based, and whether the business sells goods, digital services, or other services.

Filing, Accounting, and Payment Discipline Matter

Tax compliance in Bulgaria is not limited to calculating an annual profit figure. Companies need consistent bookkeeping, timely filings, and a clear process for approving and retaining supporting records. Foreign owners should ensure their Bulgarian accounting function has complete access to invoices, contracts, expense documentation, and bank activity.

Keep Records That Tell a Clear Business Story

The best records show why an expense was incurred, how it relates to the business, who approved it, and how it was paid. This is especially valuable for management fees, related-party transactions, travel, marketing, and expenses that could otherwise appear personal or insufficiently documented.

Tax returns and payments should be planned around the relevant deadlines rather than prepared at the last minute. Late submissions or payments can lead to interest, penalties, and unnecessary correspondence with the NRA.

Companies with employees must also address payroll withholding and social-security obligations. These duties are separate from corporate income tax and VAT, so they require their own reporting calendar and controls.

A Practical Launch Plan for Foreign Businesses

A thoughtful setup process reduces the chance that a foreign company will need to correct registrations or accounting treatment later. The first step is to define the intended activity, expected turnover, customer locations, employee plans, and whether goods will be stored or moved through Bulgaria.

Ask the Right Questions Before Trading Begins

Businesses should determine whether they will trade through a Bulgarian company, a branch, or another structure. The answer can affect corporate tax exposure, registration obligations, accounting requirements, and the treatment of profit repatriation.

It is also useful to map the first year of transactions before issuing the first invoice. A company that expects EU clients, foreign suppliers, local employees, or imported inventory may have obligations that do not apply to a purely domestic service business.

Finally, foreign owners should treat VAT and corporate income tax as connected parts of a broader compliance system, not as isolated tasks. Early planning makes it far easier to price correctly, protect cash flow, and operate with confidence.

Building a Compliant Bulgarian Business From Day One

Bulgaria’s flat 10 percent corporate income tax rate can be compelling, but it should be understood alongside the NRA’s registration and filing requirements, the 20 percent standard VAT rate, and the special rules that can affect cross-border businesses. With a sound structure, disciplined records, and the right professional support at the outset, a foreign business can focus on growth while meeting its Bulgarian tax obligations properly.