If you’re freelancing or running a small business in Argentina, the monotributo is your tax lifeline. It’s a simplified tax regime that bundles income tax, VAT, and social security into one fixed monthly payment. Here’s how it works.
What Is the Monotributo?
The monotributo (formally “Régimen Simplificado para Pequeños Contribuyentes”) is Argentina’s simplified tax system for small taxpayers. Instead of dealing with complex income tax returns, VAT filings, and social security contributions separately, you pay a single fixed monthly amount based on your income category.
It covers:
- Income tax (impuesto a las ganancias)
- VAT (IVA)
- Social security contributions (jubilación)
- Health insurance (obra social) — optional but included in the payment
Who Should Register?
You need a monotributo if you:
- Freelance for Argentine clients and need to issue invoices (facturas)
- Work independently in Argentina
- Earn income from services provided locally
- Want to formalize your work situation for residency purposes
Note: If you only work remotely for foreign clients and never invoice Argentine entities, you may not strictly need a monotributo. But having one makes many things easier — bank accounts, health insurance, proof of economic activity for residency renewals.
Requirements to Register
- DNI (temporary or permanent)
- CUIT (tax identification number — obtained at AFIP)
- Proof of address
- Clave fiscal (digital tax key — obtained at AFIP)
How to Register: Step by Step
1. Get Your CUIT and Clave Fiscal
Visit an AFIP (tax authority) office with your DNI and proof of address. You’ll register for a CUIT (Código Único de Identificación Tributaria) and receive a clave fiscal — your digital key for all tax operations.
Alternatively, if you already have a CUIL, you can upgrade it to a CUIT online at afip.gob.ar.
2. Choose Your Category
Monotributo categories are based on your annual gross income. As of early 2026, the categories and approximate monthly payments are:
| Category | Annual Income Limit | Monthly Payment (approx.) |
|---|---|---|
| A | ~$2M ARS | ~$15,000 ARS ($12 USD) |
| B | ~$3M ARS | ~$17,000 ARS ($14 USD) |
| C | ~$4.2M ARS | ~$19,500 ARS ($16 USD) |
| D | ~$5.2M ARS | ~$24,000 ARS ($20 USD) |
| E | ~$6.1M ARS | ~$30,000 ARS ($25 USD) |
| F | ~$7.6M ARS | ~$35,000 ARS ($29 USD) |
| G | ~$9.4M ARS | ~$40,000 ARS ($33 USD) |
| H | ~$11.6M ARS | ~$60,000 ARS ($50 USD) |
Note: These amounts are adjusted periodically with inflation. Check AFIP for current values.
For most expat freelancers, categories A through D cover typical income levels. If you’re earning modestly in pesos (or billing a small amount locally), Category A or B is usually sufficient.
3. Register Online
- Log into AFIP with your clave fiscal
- Go to “Monotributo” → “Adhesión”
- Select your category
- Choose your obra social (health insurance through monotributo) or opt for a prepaga instead
- Set up payment method (automatic debit from bank account is easiest)
- Confirm registration
4. Start Issuing Invoices
Once registered, you can issue facturas (invoices) through AFIP’s online billing system or the “Facturador Móvil” app.
Types of invoices:
- Factura C — the type monotributistas issue
- You’ll create these for each payment you receive from Argentine clients
Monthly Obligations
- Pay your monthly monotributo — due on the 20th of each month. Set up automatic debit to avoid forgetting.
- Issue invoices for all income received through Argentine channels
- Recategorize every 6 months (January and July) if your income changes
The Obra Social Option
Your monotributo payment includes a basic obra social (health insurance). You can choose from a list of available providers. However, most expats prefer to pay for a separate prepaga (like OSDE) and redirect the obra social portion, or simply have both.
You can redirect your obra social contribution to your prepaga, effectively reducing your prepaga cost. Ask your prepaga about derivación de aportes.
Common Mistakes
- Not recategorizing — if your income exceeds your category limit, you need to move up. AFIP can penalize you for staying in a lower category.
- Forgetting to pay — missed payments accumulate interest. Set up automatic debit.
- Not issuing invoices — even if your client doesn’t ask for one, you’re required to issue a factura for each transaction.
- Choosing the wrong category — when in doubt, choose one category higher than you think you need.
Do I Need an Accountant?
For basic monotributo management, you can handle it yourself. The AFIP website is navigable (if you speak some Spanish), and the monthly obligations are simple.
However, hiring a contador (accountant) is worth considering if:
- You also have foreign income that might be taxable
- You’re approaching the monotributo income ceiling
- You need help with recategorization
- You want someone to handle the bureaucracy
A basic accountant for monotributo management costs $20–$50/month.
Key Takeaways
- The monotributo is cheap, simple, and necessary for freelancing locally
- Registration is straightforward once you have your CUIT and clave fiscal
- Monthly payments are trivial for someone earning in USD
- It opens doors to bank accounts, health insurance, and residency documentation
- Set up automatic payment and recategorize every 6 months
For most expat freelancers, the monotributo is a no-brainer. It formalizes your situation, gives you invoicing capability, and costs next to nothing relative to what you earn.