Micro-BIC or real: how to choose?

Short answer - The micro-BIC is interesting when your expenses are low, your investments limited and your management simple. The actual rate becomes higher as soon as costs, dépréciation or work really weigh into the equation. In 2026, the right choice is made above all with your figures, not with a préférence in principle.

Micro-BIC is a diet of simplicity. It avoids accounting as cumbersome as in reality and applies a flat-rate reduction on your receipts. It works well when:

• the actual costs are low;
• the activity remains simple to manage;
• you favor ease of déclaration;
• you don't need detailed accounting to decide.

To complete, see also Micro-enterprise 2026: ceilings and rules, our article Family SARL and Should you open an SCI to invest? if the subject concerns furnished accommodation.

The actual diet changes the logic. Instead of a flat-rate deduction, you deduct your actual expenses and you can, depending on the case, depreciate certain investments. This is often where reality takes advantage.

It becomes interesting when you have:

• significant charges;
• investments to be amortized;
• work or furniture to be integrated;
• a need for detailed reading of profitability;
• a more structured banking or asset logic.

In the cases that we arbitrate, the real trigger is not only turnover. It is often the combination between current charges, initial investment and the need for visibility on the real margin.

The thresholds depend on the nature of the activity and are assessed on the 2026 income declared in 2027.

The important point is not just whether you are "below the threshold". You also need to know if the micro-BIC really corresponds to your level of expenses. A diet can be accessible without being optimal.

When expenses eat up a significant portion of revenue#

If your actual costs absorb a high proportion of turnover, the micro-BIC begins to lose its interest. This is common when there are equipment, professional rents, insurance, technical subscriptions or significant travel expenses.

When there is dépréciation to be recovered#

Reality often takes advantage as soon as you have purchased a durable asset: furniture, equipment, vehiclé, major work, premises, computer equipment. Depreciation does not reimburse a cash expense, but it often reduces the tax base in a very concrete way.

When the activity requires real management#

Micro-BIC can mask economic reality. Reality forces us to look at profitability, margin and cost structure. For a growing project, this is often a better basis for decision-making.

The micro-BIC can be perfectly coherent if:

• your charges are low and stable;
• you start with a moderate level of investment;
• you are mainly looking for simplicity;
• you do not yet want to manage more technical accounting;
• you want to test a project without getting stuck in too much formalism.

In other words, micro-BIC is not a bad diet. It's a good diet for simplicity. It just becomes insufficient as soon as the cost structure becomes more complex.

The correct method is not to look at a single criterion. It consists of crossing three angles:

1. the level of actual expenses over twelve months; 2. the weight of investments and the interest on dépréciation; 3. the level of management that you expect from your accounting.

A simple example often helps to decide. Two activities can display the same turnover:

• the first with few costs, few investments and little management;
• the second with equipment, travel, work and financing.

In the first case, micro-BIC can be very effective. In the second, reality quickly becomes more logical.

The option is not decided at random. According to Service-Public, a company subject to the micro-BIC can opt for the real régime at specific times:

• at the time of the previous year's income tax return if she was already at the microphone;
• at the time of déclaration of results if it is subject to simplified actual figures;
• at the time of the income or results déclaration for the first year of activity if it has just been created. The option is valid for one year and renews automatically. To waive it, you must respect the schedule and notify the business tax service on time.

This point is essential. Many creators discover too late that a tax choice cannot be made "when you want". It must be anticipated at the right time in the life of the file.

• stay on the microphone out of habit even though the charges have changed;
• confuse administrative simplicity and tax interest;
• forget that reality allows certain investments to be amortized;
• do not repeat the simulation after an increase in load;
• choose a diet without looking at the option calendar;
• mix the subject of BIC with the question of VAT.

A service entrepreneur can do perfectly well in micro-BIC if he charges few fees and maintains a light structure. On the other hand, as soon as he buys equipment, rents an office, takes out technical subscriptions and finances part of his activity on credit, the reality almost always deserves to be quantified.

In furnished rental projects, it is often even clearer: the microphone may seem comfortable at first, but the work, the furniture and the dépréciation quickly change the equation. We then see that the right régime is not the one that seems the simplest, but the one that best fits the economic model.

<details> <summary>Can we move from micro-BIC to reality even while remaining below the thresholds?</summary> **Yes. The** threshold level does not prevent you from opting for a more restrictive régime if this better serves your project. You simply have to respect the option schedule. </details> <details> <summary>Is the real régime always more advantageous?</summary> **No. If there are few expenses and few investments, the micro-BIC can remain more readable and sometimes more efficient. </details> <details> <summary>Does the actual régime allow the furniture or work to be depreciated?</summary> **Yes, depending** on the nature of the expenses and their accounting treatment. This is one of the main interests of real for activities with investment. </details> <details> <summary>Does micro-BIC require real accounting thinking?</summary> **No. It** simplifiés the déclaration, but it does not replace a profitability simulation. A bad régime can cost more than slightly more structured accounting. </details>

The only correct method is to simulate both régimes with your real data.

Discover our accounting and tax support

In 2026, the right choice between micro-BIC and real is made neither by reflex nor by imitation. It is done by comparing your actual costs, your investment level, your management need and the project horizon. If the file evolves, the régime must be re-questioned at the same pace. **

<details> <summary>Do you want to know which régime is the most effective for your activity or your furnished rental?</summary>

We can model both options before your decision.

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(Official sources: BIC real régime, BOFiP on the real option, impôts.gouv.fr on déductible charges and fact sheet on small business régimes)