Bulgaria Tax Identification Number (TIN) & Bulstat / EIK Explained

If you’re setting up or running a company in Bulgaria, you’ll quickly meet several “numbers”. Here’s what the tax identification number (TIN) is and how it relates to the others.

Current as of 23 September 2026. General information, not tax advice.

The short version

In Bulgaria, the tax identification number is the same as your existing identifier. There is no separate standalone TIN:

• For a company: the TIN is the EIK, the Unified Identification Code (ЕИК) that the Registry Agency assigns when the company is entered in the Commercial Register. Entities that are not in the Commercial Register get the same kind of code from the BULSTAT register, which is why people still call it the “Bulstat number”. It is a 9-digit number that serves as the company’s ID for tax, VAT and all official purposes.
• For a Bulgarian individual: the TIN is the EGN, the 10-digit personal number.
• For a foreign individual without an EGN: a foreigner who lives in Bulgaria gets a personal number of a foreigner (LNCh, in Bulgarian ЛНЧ) from the migration authorities of the Ministry of Interior. One who doesn’t live here gets a service number from the NRA once they have Bulgarian tax or social-security obligations, and that number is their tax identifier.

EIK, Bulstat and the VAT number

• EIK / Bulstat: the company’s core 9-digit ID. You get it automatically, and free of charge, when the company is registered.
• VAT number: only if the company is registered for VAT. It is the EIK prefixed with BG (e.g. BG123456789). Not every company has one; see VAT registration in Bulgaria. You can check any EU VAT number in the European Commission’s VIES database.

How a non-resident gets a Bulgarian tax number

• Registering a company? The Commercial Register issues the EIK automatically when your EOOD or OOD is registered, with no separate application. See company formation in Bulgaria.
• As an individual (for example, a foreign shareholder who receives dividends or a manager who has to be insured): if you have no EGN or LNCh, the NRA assigns you a service number. We can arrange this as part of your setup.

Why it matters

You’ll need the EIK for invoices, the bank account, contracts, tax filings and VAT. It is the single number that identifies your Bulgarian company everywhere, so make sure it is correct on every document from day one.

Setting up remotely? We handle the whole registration and obtain your EIK; see company formation in Bulgaria.