Colombia's simplified tax regime: what it is, who qualifies and how to file

Colombia's simplified tax regime: what it is, who qualifies and how to file

Every year, as the deadline to renew the option approaches, the same question comes back: stay in the simplified regime or move to the ordinary one. Most owners answer out of habit. Colombia's simplified tax regime is an optional system that bundles income tax and the municipal business tax into one return and one payment; it is not an exemption, and it is not always cheaper. The gap between one choice and the other can run into the millions of pesos a year, and it comes down to three numbers you already have: revenue, profit and your municipal rate.

What follows is how to run that comparison: what the regime replaces, who may opt in, how the rate is built, how you pay and file, a worked example with two profit levels — same business, opposite result —, when it pays off, and how you enter and exit. All figures are illustrative: they are not official rates and do not replace the current year's table.

What the simplified tax regime is and what it is not

Colombia's simplified tax regime, known by the acronym SIMPLE, is a way of consolidating taxes: instead of paying income tax on one side and the municipal business tax on the other, the business pays once, with a single return and a single receipt. It is optional. Nobody is forced to join, and anyone who joins can leave, though not always at the moment of their choosing.

What changes is not only the number of receipts: the base changes. Under the ordinary regime, income tax is settled on profit, that is, on what is left after costs and deductions. Under the simplified regime, the consolidated rate applies to gross revenue. That is the trap in the quick comparison: a single-digit rate looks like a bargain next to a two-digit income tax rate, but it is applied to a much larger base.

So the simplified regime is neither an exemption nor a reward for informality. It is a trade: fewer procedures and a predictable rate, in exchange for paying on revenue and giving up the right to offset. A business with heavy costs, large deductions or a sizeable VAT credit usually finds that the trade is expensive.

There is a second consequence that almost nobody looks at in the beginning: the rate is progressive, by brackets. As the business grows it does not only approach the cap: it can also fall into a higher bracket before reaching it. It gets more expensive along two paths at once.

Which taxes it replaces and which one stays outside

The regime replaces income tax and the municipal industry and commerce tax (ICA, for its Spanish initials), including the charges usually billed alongside it: the signage and billboard tax and the fire brigade surcharge. All three sit inside the same consolidated return. In practice, the business stops filing an income tax return and stops settling ICA separately before the municipality.

VAT stays outside. Anyone liable for VAT remains liable and keeps filing it separately, on the schedule that applies to them. This is the most common and the most expensive confusion: assuming that because the business is in the simplified regime it no longer has to file VAT. It does, and the omission is paid with penalties and interest.

Invoicing and information duties also stay outside: the regime changes how you pay, not how you document.

Who may opt in and who is excluded

Both individuals and legal entities may opt in. The central condition is size: annual gross revenue must sit below a cap that the law expresses in UVT, the tax value unit, not in pesos. Because the UVT is updated every year, the cap in pesos moves even when the law does not. Take the year's UVT, multiply it by the number of units in the current table, and compare that ceiling against your full-year projection, not against this month's billing.

Three groups are excluded regardless of size. Branches of foreign companies cannot opt in. Non-profit entities cannot either. And some economic activities are excluded: the law leaves certain sectors and trades outside, and that list changes over time. If your main activity is on it, size will not save you.

The detail that decides many cases is not the cap but the mix of activities. A business with two lines — one allowed and one excluded — needs to check how revenue is aggregated and whether the excluded line contaminates the option. That answer is confirmed with your accountant.

The two components of the rate

The rate has two parts that add up to a single percentage. The first is the income tax component, with a progressive rate by revenue bracket: the higher the gross revenue, the higher the percentage. The second is the consolidated municipal tax, which replaces ICA and is calculated on the same revenue base.

The result is the consolidated rate, applied to gross revenue and not to profit: the business that bills more pays more, even if it earns the same.

Two warnings. First: brackets and percentages are updated, and last year's table does not necessarily work for this one. Second: the municipal component collects the local ICA, which depends on the activity and on the rate each municipality sets. A business with premises in two cities carries two different burdens on the same revenue.

The examples in this article use a consolidated rate of 5% and an estimated ICA of 0.6%. They are working assumptions so the math can be reproduced with pencil and paper. They are not official rates: check the year's table and your municipality's rate before deciding.

Bimonthly advance payments and one annual return

The regime is paid during the year and filed at the end of it. Payments are bimonthly advances calculated on the revenue of each two-month period; the return is annual and consolidates what has already been paid. A business in SIMPLE does not file a separate income tax return for that revenue: the consolidated return is what covers it.

The practical effect shows up in cash flow. The advance is triggered every two months, not by the year's profit: a period with heavy billing and slow collection produces a payment before the customer pays. If you sell on 60 or 90-day terms, provision that gap from the first period.

The other side is administrative calm: six small payments and one annual return are easier to handle than several returns with different bases and deadlines. For a business without an accounting department, that saving counts too.

A worked example against the ordinary regime

The same business, with gross revenue of $600,000,000 a year, is calculated under both regimes at two profit levels. The figures are illustrative and the percentages are the assumptions explained above.

Scenario A, profit of $120,000,000. Under the ordinary regime, income tax is settled at 35% of profit: $42,000,000. Estimated ICA is 0.6% of revenue: $3,600,000. Ordinary total: $45,600,000. Under the simplified regime, the 5% consolidated rate applies to gross revenue: $30,000,000. Difference: $15,600,000 in favour of the simplified regime.

Scenario B, profit of $30,000,000. Same revenue, same ICA. Ordinary income tax drops to 35% of $30,000,000, that is, $10,500,000, and with ICA it reaches $14,100,000. The simplified regime does not move: it stays at $30,000,000, because it is calculated on revenue and profit does not affect it. Difference: $15,900,000 in favour of the ordinary regime. With identical billing, the result flips with the margin.

There is a crossover point that can be calculated. Setting the two burdens equal, 35% of profit plus $3,600,000 of ICA must equal $30,000,000. Solving, the break-even profit sits around $75.4 million: above that level the simplified regime starts to win, below it the ordinary one does. The number is not universal — it moves with the municipal rate and the bracket — but the method is, and it takes three lines of arithmetic.

When it pays off and when it stops paying off

It pays off when the margin is high and deductible costs are few. A service business with little equipment, minor raw materials and customers who pay on time usually earns high profits on revenue; in that profile, paying a percentage of billing can be cheaper than paying income tax on profit and settling ICA on top of it.

It stops paying off for three reasons. First: heavy costs and deductions. If profit is a small fraction of revenue, the ordinary regime charges on that fraction while the simplified one charges on everything. Second: the need to offset VAT, which consolidation does not solve. Third: growth. If billing approaches the cap or is about to jump a bracket, the regime gets more expensive exactly when the business needs cash to grow.

There is a fourth factor that is not a tax matter: time. Running two settlements, reconciling the municipal ICA and preparing the income tax return costs accountant and management hours. In a small business those hours are worth money; in a mid-sized one with an accounting team, they weigh less.

How you get in and how you get out

Entry is a voluntary decision and is formalised at the point the year's calendar sets. It is not automatic and it is not inherited: you have to declare it and be registered. Whoever lets the date pass stays in the regime they were in.

Exit has two paths. The first is voluntary: the business decides it no longer pays off. The second is mandatory: revenue exceeds the cap and there is no choice but to move to the ordinary regime, with effect from the following period. The sentence sounds technical, but it weighs: the year in which the cap is broken is still filed under the simplified regime, and the next year under the ordinary one, with everything that implies for bookkeeping and settlement.

That is why watching the cap is a year-round task, not a December one. A business that discovers in November that it crossed the limit has less room to organise the change: adjust the books, work out how it will settle ICA separately, and prepare the information the ordinary regime demands.

It also helps to distinguish why you are leaving. Leaving because of the cap is a consequence of size; leaving because of an excluded activity is a condition of the business. Both force a change, but the records you keep and the date from which it applies are not explained the same way.

Obligations that do not disappear

The simplified regime simplifies payment, not operations. Four obligations remain intact: issuing electronic invoices, keeping supporting documents for revenue, costs and expenses, filing the VAT return if you are liable, and answering the tax authority's information requests.

The reason is the tax base. If you pay on gross revenue, every peso billed counts and the return rests on your invoicing. An incomplete invoice file is not a filing problem: it is a base problem.

In practice this calls for two minimum controls. One: reconcile electronic invoicing, receivables and collections, so you know what was billed in the period and what was collected. Two: an archive of supporting documents per transaction, ready when requested. Neither requires an expensive system; both require discipline.

Common mistakes

The costliest mistakes are not arithmetic. They are assumptions.

• Comparing rates instead of bases. Putting 5% next to 35% and concluding the simplified regime is cheaper. The result can be a decision that costs more than $15 million a year.
• Believing VAT is included. The business stops filing VAT because it is "already in the simplified regime". The consequence is an omission that carries penalties and interest.
• Not provisioning the advances. The second period reveals that you pay on what was billed, not on what was collected. The gap hits cash exactly when payroll is due.
• Ignoring the bracket. The business grows, moves up a bracket and the consolidated percentage rises. The payment climbs faster than sales and nobody budgeted for it.
• Crossing the cap without acting. The business keeps filing under the simplified regime the year after the limit was exceeded. Fixing it later means recalculating and paying the difference with interest.
• Using another municipality's rate or another year's. The municipal component changes by city and by year. A 0.6% copied from elsewhere may match neither your activity nor your municipality.

There is a seventh mistake of expectation rather than arithmetic: treating the simplified regime as a permanent state. It is a stage, designed for small, stable businesses, and its natural exit is growth. Planning that exit from year one costs far less than improvising it once the cap has been crossed.

An honest close before you decide

This article is not tax advice and does not replace a review by your accountant. The percentages used — 35% ordinary income tax, 0.6% ICA and 5% consolidated — are working assumptions to show the method, not official rates. The bracket table, the cap in UVT and your municipality's ICA rate change, and they must be checked in the year the decision is made.

If your case shows any of these signals, the simplified regime is probably not the way: a significant VAT credit, costs and deductions that absorb much of the revenue, corporate customers who require VAT invoices, or a growth plan that puts you near the cap within two years. If your case is the opposite — high margin, few costs, final consumer, stable billing — the simplified regime deserves the full calculation.

Run the exercise with your own numbers, not the example's. Take projected revenue for the year, estimate profit with the costs you already know, apply both rates and compare the total, administrative time included. If the difference is small, the decision is about convenience and management capacity, not taxes.

And if the underlying problem is that the period's revenue does not match your invoicing, no rate will fix it: that is solved with inventory and invoicing kept in order from the operation itself. Kardex Tauro covers that day-to-day part; the tax decision still belongs to your accountant.

Keep reading

• Personal income tax return in Colombia: how to file and what you can deduct
• Corporate income tax in Colombia: how taxable income is calculated