A Tax Identification Number (TIN) is essential in Guatemala for individuals and businesses to ensure they comply with the country’s tax regulations. It serves as a unique identifier for tax-related activities, such as filing returns, paying taxes, and conducting legal business transactions. In Guatemala, a TIN is crucial for both residents and non-residents to maintain proper tax records and avoid penalties.
The information provided in this guide is 100% verified from official sources, including Guatemala’s tax authority websites and trusted government publications.

1. Tax Identification Number Types
In Guatemala, the primary TIN used is the Número de Identificación Tributaria (NIT). The NIT is used by individuals, businesses, and legal entities for all tax-related purposes, including income tax filing, VAT registration, and other financial obligations.
1.1 NIT (Número de Identificación Tributaria)
- NIT is the official TIN for both individuals and businesses in Guatemala.
- It is required for individuals to file their personal income taxes and for businesses to comply with corporate taxes, VAT, and other fiscal duties.
- NIT is used universally in Guatemala for all tax-related identification purposes, making it an essential component for tax compliance.

2. TIN Format and Structure
The NIT has a specific structure that differs for individuals and legal entities (businesses). The format is consistent and is critical for tax filing and official documentation.
2.1 NIT Format for Individuals
- Format: Typically 3 to 11 characters total (including the check digit).
- Structure:
The Digits only (between 2 to 10 digits),
Followed by a hyphen (–),
And one check character, which can be a digit (0–9) or the letter ‘K’
2.2 NIT Format for Businesses
- Format: Typically 3 to 11 characters total (including the check digit).
- Structure:
The Digits only (between 2 to 10 digits),
Followed by a hyphen (–),
And one check character, which can be a digit (0–9) or the letter ‘K’.
3. Issuing Authority and Registration Process
The official tax authority responsible for issuing TINs in Guatemala is the Superintendencia de Administración Tributaria (SAT).
Official Name of the Issuing Body:
Superintendencia de Administración Tributaria (SAT)
Official Website: SAT Guatemala
3.1 Registration Process for Individuals (NIT)
- Eligibility: All Guatemalan citizens and foreign residents who are subject to taxation are required to obtain a NIT.
- Required Documents:
- For Guatemalan citizens: National ID card (DPI), proof of address.
- For foreign residents: Passport, proof of legal residency in Guatemala (e.g., visa or residency card), and proof of address.
- Application Process:
- Individuals can register for their NIT online through the official SAT website or in-person at a SAT office.
- To register online, the applicant must create an account and follow the step-by-step process for obtaining a NIT.
- Fees: Registration for a NIT is typically free for individuals, but additional fees may apply for certain services, such as expedited processing.
3.2 Registration Process for Businesses (NIT)
- Eligibility: All businesses (including sole proprietors) operating in Guatemala must register for a NIT.
- Required Documents:
- For local businesses: Articles of incorporation, legal representative’s DPI (National ID), and proof of business address.
- For foreign businesses: Business registration documents, passport or residency card of the legal representative, and proof of business address in Guatemala.
- Application Process:
- Businesses can register for a NIT via the SAT’s online platform or at a SAT office.
- Online registration involves submitting business information, completing forms, and receiving the NIT once verified.
- Fees: No registration fees are typically required, but there may be charges for additional services or expedited processing.

4. TIN Verification and Lookup
To verify a NIT in Guatemala, individuals and businesses can use the official SAT verification system. This allows anyone to confirm the validity of a NIT number before using it in official documents or transactions.
4.1 NIT Verification
- Individuals and businesses can verify their NIT using the SAT’s online verification tool, which checks if a NIT is valid and corresponds to the correct taxpayer.
Official Verification Tool: SAT NIT Verification
It is crucial to use official channels for NIT verification to avoid errors in tax filings or other financial operations.

5. TIN and VAT Number Connection
In Guatemala, the NIT serves as the VAT (Value Added Tax) number for businesses. This means that the same NIT number is used for both general tax identification and VAT registration purposes. Businesses need to use their NIT number when filing VAT returns, collecting VAT on sales, and conducting other VAT-related activities.
- Format: The NIT number for VAT purposes follows the same structure as the general NIT for businesses.
- Businesses that are required to register for VAT must include their NIT number in all transactions involving VAT.

6. Importance of Accurate TIN Validation
It is vital for businesses and individuals in Guatemala to ensure that their NIT is accurate and valid. Invalid or incorrect NITs can cause significant issues, including:
- Penalties and Fines: Misuse of a wrong or expired NIT can lead to fines, delays in tax filings, and other legal consequences.
- Business Complications: Invalid NITs can cause issues with business transactions, VAT reporting, and legal recognition in Guatemala.
- International Transactions: For businesses involved in international trade, an incorrect NIT could hinder cross-border transactions and compliance with international tax standards.
Therefore, validating a NIT before use ensures smooth operations and prevents tax issues.