Changing your tax regime: when and how to switch with no negative consequences

At some point, many entrepreneurs realise that their current tax regime has stopped being comfortable. For some, the simplified single‑tax system already “eats up” too much; others feel that under the general regime they pay more than they should; someone has simply outgrown one model and moved into new types of activities. The idea of “switching to another regime” sounds logical but is scary: what about audits, will the tax authority impose additional assessments, will you lose benefits?

In fact, changing the tax regime can be an effective optimisation tool if it is done on time and in line with the rules. At WINNER we help businesses make this decision not “by gut feeling”, but based on numbers, risks and development plans, and also guide them through the changeover procedure so that it does not create problems in the future.

When you should consider changing the regime

There are several signals that your current tax regime no longer works for you:

• you consistently exceed or are close to the limits of the simplified (single‑tax) system;
• new types of activities or counterparties appear that do not fit your current regime (for example, work with non‑residents or large legal entities);
• under the general regime you have significant documented expenses that are not used to optimise corporate income tax or personal income tax;
• the tax authority starts questioning whether your real operations match the chosen regime.

In such situations you should not wait for the first major audit — it is better to calculate the options in advance and, if necessary, switch to another regime in a controlled way.

How WINNER supports tax‑regime changes

Changing the tax regime is not only about filing an application with the tax office; it also means changing the way the business operates.

We usually go through the following steps with you:

• Analysing the current model.Turnover, margins, cost structure, types of counterparties, presence of SP/LLC structures and their combinations.
• Modelling options.We calculate how your tax payments will change after moving to another regime: in hryvnias, by type of tax, with a forecast for the year.
• Risk assessment.We assess whether the change may trigger audits, additional assessments or loss of benefits, and how “transition” transactions will look.
• Preparing the transition.We help to properly draft applications, meet deadlines and align changes with accounting, the bank and key counterparties.
• Post‑transition setup.We assist in adapting contracts, document flow and reporting to the new regime so there is no “gap” between old and new rules.

As a result, the decision to change the regime becomes not a risky leap into the unknown, but a controlled step with predictable consequences.

Why you should turn specifically to WINNER

WINNER is a law firm with a team of 20 attorneys and lawyers who work daily with tax matters, transitions between tax regimes, audits and disputes with the State Tax Service. We look at regime changes not only through the lens of legislation, but also through practice: how the tax authority reacts, where problems most often arise and how to protect the business at both the “pre‑change” and “post‑change” stages.

We support entrepreneurs and companies across Ukraine and help them not just “file an application”, but build a tax model that matches how their business actually operates. If you feel that your current tax regime is too tight or too expensive, contact WINNER — we will calculate the options and guide you through the transition without unnecessary side effects.

Author: Ihor Yasko, Managing Partner of the Law Firm “WINNER”, PhD in Law.