Sunday, 4 October 2026

We Have an Accountant – Do We Still Need a Tax Review?

For many business owners, it seems self-evident that if the company’s accounting is in order, there is little else to worry about from a tax perspective. The accountant prepares tax returns, processes accounting documents, and monitors filing deadlines, making it easy to assume that the business is also fully compliant with tax regulations.

We Have an Accountant – Do We Still Need a Tax Review?

The reality, however, is more nuanced. Accounting and a tax review serve different purposes. While accounting primarily focuses on accurately recording past transactions and fulfilling tax obligations, a tax review examines whether the company’s overall operations comply with tax legislation and identifies potential risks that could later develop into significant issues.

Tax Reviews: Protecting the Business, Not Auditing the Accountant

Many people mistakenly view a tax review as an assessment of their accountant’s work. In reality, this is not the case. Accounting shows what happened; a tax review assesses whether it happened in a tax-compliant manner.

A tax review takes a step back and examines the entire system. It evaluates whether the company's tax practices are appropriate, whether its processes function effectively, and whether there are areas in which the business may be inadvertently exposed to tax risks.

Tax Rules Are Constantly Changing

Business operations rarely remain unchanged. New customers are acquired, new products are introduced, foreign markets are entered, and organizational structures evolve. At the same time, the legal and regulatory environment is continuously changing.

As a result, a practice that was entirely appropriate a few years ago may later become a tax risk. In many cases, the issue is not an obvious mistake but rather a series of small changes that accumulate over time. This is why regular tax reviews are comparable to preventive health check-ups: they are most valuable not when a problem has already arisen, but because they help identify issues before they become serious.

Problems Often Stem from Processes Rather Than Individual Errors

A significant portion of tax authority findings cannot be traced back to a single incorrectly issued invoice or a one-time administrative error. More often, they result from weaknesses in internal processes.

Documentation may be incomplete, or a company may continue to apply a practice that was established years ago even though the business environment has changed substantially. Regular tax reviews help identify and address these systemic risks before they become costly problems.

LeitnerLeitner is one of the leading professional advisory firms in Central Europe. Thanks to our integrated approach, we provide our clients with comprehensive and coordinated solutions for all their tax, financial, accounting, payroll, legal, and audit-related matters. Our professionals always view each assignment from a holistic perspective. Our accountants are happy to assist with straightforward tax matters, while more complex issues requiring specialised expertise are addressed in close cooperation with the relevant subject-matter experts. This ensures that our clients benefit from both practical day-to-day support and highly specialised advice whenever needed.

The Tax Authority Is Increasingly Focused on Systems

The approach of tax audits has changed significantly in recent years. Tax authorities increasingly analyze large volumes of data, search for patterns and inconsistencies, and assess whether a company’s internal processes ensure correct tax treatment.

In this environment, internal controls that can identify weaknesses before an audit takes place have become more important than ever. Regular tax reviews not only help uncover errors but also enable businesses to face a potential tax audit with greater confidence and preparedness.

A Tax Review Provides More Than Mere Compliance

The outcome of a regular tax review is not simply a list of identified issues. A well-executed review helps businesses establish priorities, document key tax positions, improve processes, and clarify roles and responsibilities.

Its greatest value, however, often lies not in the individual findings but in the confidence it provides to management. Knowing that the company is not merely reacting to tax issues as they arise, but is proactively identifying and managing risks, can create a significant competitive advantage.

For this reason, regular tax reviews should be considered an integral part of responsible corporate governance. Truly forward-thinking companies do not wait for a tax audit to reveal deficiencies. Instead, they periodically assess whether their operations continue to meet the requirements of an increasingly complex tax environment.

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