The VAT net tax rate method: when it pays off

The net tax rate method is a simplification of VAT reporting designed for small and medium-sized Swiss businesses. Instead of calculating the tax due and deducting the input tax on each invoice, you apply a single flat rate to your gross turnover. Less administrative work, but not always an economic advantage: it is worth understanding the mechanism before choosing.

How it works in practice

Under the effective method you pay the Federal Tax Administration (FTA) the difference between the VAT collected from customers (at the standard rate of 8.1% from 2024) and the VAT paid to suppliers, deducted as input tax. This requires precise VAT accounting on income and expenses.

With the net tax rate method the logic changes:

You invoice customers applying the standard statutory VAT rates.
To the FTA, however, you pay only a reduced net tax rate, applied to turnover including VAT.
The net tax rate is lower because it already accounts, on a flat-rate basis, for the average input tax of the sector.

In other words, input tax is no longer deducted invoice by invoice: it is already “built into” the reduced rate. The applicable rate depends on the line of business and is assigned by the FTA.

Who can choose it

The method is reserved for businesses that stay below two annual thresholds: a turnover limit and a tax-due limit. Anyone who exceeds even one of the two parameters must switch to the effective method. These are values that the FTA updates, so they should be checked when making the choice and monitored over time, because rapid revenue growth can cause the condition to lapse.

Another constraint concerns duration: whoever opts for the net tax rate method must keep it for a minimum period before being able to return to the effective one, and vice versa. It is therefore not a choice to be reviewed every quarter.

When it really pays off

The net tax rate method pays off when the business has little input tax to deduct relative to turnover. This is the typical case of:

High value-added service activities, with few purchases subject to VAT (consulting, personal services, agencies).
Businesses whose main costs consist of salaries and social insurance contributions, which contain no deductible VAT.

It does not pay off, however, when:

You make significant investments in capital goods, machinery or merchandise, on which the effective method would allow you to recover all the input tax.
You have low margins and heavy purchases subject to VAT, as in wholesale trade.
You export goods or services with extensive use of the zero rate: in that case the effective method often generates a tax credit.

The administrative advantages

Beyond the numerical result, the net tax rate method lightens the workload:

VAT reporting twice a year instead of quarterly.
No detailed calculation of input tax on each purchase.
Less risk of deduction errors and therefore of reassessments in the event of an audit.

For a young business with a lean structure, the saving in time and bookkeeping costs can be worth more than the tax difference.

Do the math before deciding

The right choice is not made on a hunch: it is made with a simulation. You take the expected turnover, calculate the tax due under the net tax rate method by applying the sector rate, and compare it with the net tax that would result from the effective method, estimating the actual input tax. The difference, over a full year, tells you which method weighs less.

It should be redone when the business model changes: a service business that starts investing in equipment, or that opens up to exports, may suddenly find itself better off with the effective method.

How we work

At SIH ONE we analyse your company’s cost and revenue structure and simulate both methods on the real numbers, so that the choice between the net tax rate and the effective method rests on measured advantage, not on an impression. We then handle the VAT returns with accounting pre-processed by our systems and validated by a qualified professional, monitoring the thresholds that can trigger a change of regime.

Want to know which VAT method pays off on your numbers? Let’s run the simulation together.