Micro Business in Colombia: Complete Guide on Incorporation, Legal Classification and Tax Benefits

What is a Micro Business (Micro Empresa) in Colombia?

Under Colombian law, a micro business belongs to the MIPYME category (Micro, Small, and Medium Enterprises) and is primarily defined by Law 590 of 2000, amended by Law 905 of 2004 and further regulated by Decree 957 of 2019. These rules establish that a micro business is a productive unit with annual gross income below a threshold expressed in UVT (Tax Value Units), regardless of employee count or economic sector.

With Decree 957 of 2019, Colombia shifted from a classification based on number of workers and total assets to an exclusive income-based criterion. For a micro business, the ceiling is 23,563 UVT (approximately COP $1 billion for 2024, subject to annual adjustment).

This classification matters beyond statistics: it determines eligibility for tax benefits, preferential credit lines, exemptions from certain filings, and the ability to opt into the Simplified Taxation Regime (RST) created by Law 2010 of 2019 and amended by Law 2155 of 2021 and Law 2277 of 2022.

Why Choosing the Right Legal Structure Matters

Not all micro businesses need the same legal form. The Simplified Joint-Stock Company (SAS), created by Law 1258 of 2008, has become the vehicle of choice for Colombian entrepreneurs thanks to its flexibility, low formation cost (private document, no notarial deed required), and liability limited to capital contributions. To learn more about this corporate type, read our article on the simplified joint-stock company.

Other options include the sole proprietorship (Law 222 of 1995) and the limited liability company. Each carries different implications for asset exposure, ongoing obligations, and operational costs. For instance, a limited company may suit partners seeking shared liability caps, while a sole proprietorship might work for individual entrepreneurs who want simplicity — but mixing personal and business assets can be risky without proper legal separation.

Choosing the wrong structure can mean overpaying taxes, having to amend bylaws months later, or exposing personal assets to business risks that proper legal advice would have avoided.

Tax Regime for Micro Businesses

One of the greatest incentives for forming a micro business in Colombia is the Simplified Taxation Regime (RST). Regulated under Articles 903 through 916 of the Colombian Tax Statute, this system consolidates multiple taxes into a single bimonthly payment: income tax, consolidated industry and commerce tax (ICA), and the complementary signage and billboard tax.

Requirements to Access the RST

• Annual gross income below 100,000 UVT in the prior year.
• All shareholders must be individuals (legal entities as partners disqualify the company).
• The economic activity must be among those permitted by law.
• File an annual return and pay bimonthly advances.

RST rates vary by activity group and income level. For very small micro businesses — convenience stores, hair salons, artisan workshops — the RST can be highly beneficial, even exempting them from VAT in certain cases (Article 908 of the Tax Statute).

However, the RST is not always optimal. Depending on the business's costs and deductions, the ordinary income tax regime (general rate of 35% for legal entities under Article 240 of the Tax Statute) may be more advantageous. A tailored analysis is essential.

General Process for Formalizing a Micro Business

Formally incorporating a micro business in Colombia involves corporate, tax, and commercial steps. The following outline covers the main stages — note that exact documents, timelines, and costs depend on the corporate type, business activity, and municipality of domicile.

• Choose the corporate type: SAS, sole proprietorship, limited liability company, corporation, etc.
• Draft and execute bylaws: via private document (SAS) or notarial deed (other types).
• Register with the Chamber of Commerce (commercial registry) in the company's domicile.
• Obtain NIT and RUT from the DIAN (Colombia's tax authority).
• Register accounting books and open a corporate bank account.
• Set up electronic invoicing and obtain a digital signature.
• Apply for sector-specific permits (sanitary, environmental, zoning, etc.).

A common mistake is starting commercial operations before completing commercial registration. Under Article 110 of the Commercial Code (Decree 410 of 1971), a company acquires legal personality only upon registration; before that, anyone acting on its behalf does so personally and with unlimited liability.

For a deeper look at the full process, see our guide on how to incorporate a company in Colombia.

Incentives for Micro Businesses

Colombian law provides several formalization incentives. Law 2069 of 2020 (Entrepreneurship Law) introduced reduced commercial registry fees for the first year of operation and, in some municipalities, waived ICA for newly registered businesses during the initial months.

Decree 957 of 2019 simplified classification and reporting processes, letting micro businesses spend less time on administrative burdens and more on productive activities.

Micro businesses can also access preferential credit lines through the National Guarantee Fund (FNG) and Colombia Productiva, as well as training programs offered by SENA and local Chambers of Commerce.

Common Mistakes When Setting Up a Micro Business in Colombia

Drawing from our experience advising local and foreign entrepreneurs, here are the most frequent pitfalls:

1. Operating without commercial registration. Many micro-entrepreneurs start issuing invoices before registering their company. This is not only illegal but exposes them to DIAN penalties and unlimited personal liability.
2. Choosing the wrong corporate type. Forming a full corporation (S.A.) or a limited liability company (Ltda.) when the more flexible SAS would suffice. Learn why the simplified joint-stock company has become Colombia's preferred vehicle.
3. Not implementing electronic invoicing. Since DIAN Resolution 000042 of 2020, electronic invoicing is mandatory for all merchants, including micro businesses. Non-compliance can result in fines and the inability to transact with larger clients.
4. Ignoring ICA obligations. The industry and commerce tax accrues simply by carrying out industrial, commercial, or service activities in a municipality. Many micro business owners think RST eliminates it — but RST consolidates ICA; it doesn't abolish it.
5. Confusing the RUT with commercial registration. These are separate, complementary obligations. The RUT is obtained from DIAN; commercial registration is done at the Chamber of Commerce. Both are mandatory.
6. Drafting an overly restrictive corporate purpose. A narrowly defined object clause will prevent the micro business from seizing opportunities not foreseen at formation, forcing costly statutory amendments.

Frequently Asked Questions About Micro Businesses in Colombia

How many employees can a micro business have?

Under Decree 957 of 2019, the number of workers is no longer a classification criterion. The sole legal parameter is annual gross income. In practice, however, most micro businesses in Colombia have between 1 and 10 employees.

Can a micro business export?

Absolutely. Many Colombian micro businesses export digital services, handicrafts, processed foods, and software. Being classified as a micro business does not limit international trade capacity, though it does require compliance with additional customs and foreign exchange regulations. Consulting an expert in international trade is advisable from the start.

How much does it cost to incorporate a micro business in Colombia?

Costs vary depending on the corporate type, city, and complexity of the bylaws. For a basic SAS, expenses include legal fees (if hiring counsel), Chamber of Commerce registration fees (which depend on capital), document authentication, and RUT processing. An exact figure depends on your specific circumstances — precisely the kind of information best obtained through a personalized consultation.

What happens if I don't formalize my micro business?

Operating as an informal merchant in Colombia can lead to DIAN administrative sanctions (business closure and fines), inability to access formal credit, exclusion from supply chains, and, in extreme cases, criminal liability for tax evasion or failure to withhold taxes. Formalization is not a luxury — it is a strategic necessity.

Have questions? Contact us for a personalized consultation.

At Legal Diligence Medellín, we advise local and foreign entrepreneurs at every stage of their micro business journey: from choosing the corporate structure and drafting bylaws to registering for the RST, setting up electronic invoicing, and staying compliant on an ongoing basis. Every micro business is unique and deserves a tailored solution. Contact us today for a personalized consultation.