Mátyás Budai

Manager, Tax services

Mátyás Budai is an economist and an expert with several years of experience as a tax advisor in the field of value-added tax. In his former role as senior tax advisor within Digital Tax Solutions, he was responsible for the development and adaptation of automated tax solutions, as well as the tax-related development and implementation of our Connectax platform which supports tax compliance and compliance with invoice data reporting obligations.

Furthermore, he manages the area of digital tax and IT advisory within Tax Services, supporting our clients in fully complying with their online invoice data reporting obligations, matters concerning electronic invoicing and archival, reviewing invoicing software and developing IT systems.

He is involved in compliance projects as a manager within Tax Services at RSM Hungary Zrt. He manages the tax compliance and tax advisory projects of international enterprises and is involved in tax representation in the course of tax audits.

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Digital tax solutions

In cooperation with our legal, tax and VAT experts, our digital tax business line prepares automated solutions to support companies in the preparation of tax returns and the fulfillment of their invoice data reporting obligations.
Hungary introduced real-time invoice reporting obligation from 1 July 2018. Our digital experts can support companies fulfilling this reporting obligation with our ConnecTAX platform's digital solutions in compliance with Hungarian regulation.

Our services

Mátyás Budai

2025.03.10

Data Reconciliation Procedure 2025: Focus on Compliance and Data Quality

The Hungarian tax authority’s data reconciliation procedure introduces significant changes that not only support companies’ compliance but also enhance the efficiency of the tax authority’s operations. One of this year\'s key innovations is the advancement of data-driven systems and the application of AI-driven risk analysis for the targeted selection of tax audits. The procedure specifically focuses on data quality, as accurate and consistent data is essential for proper data analysis.

Mátyás Budai

2024.12.10

Data reconciliation procedure - new Hungarian tax authority procedure from 2025

The Hungarian tax authority is constantly improving its control methods to ensure transparency and compliance of economic operators, and the data reconciliation procedure is a new step in this direction. The main purpose of the data reconciliation procedure is that the HUTA regularly compares the data from the real-time invoice reporting system with the information on the VAT returns submitted by companies.

Mátyás Budai

2024.10.08

M-sheets – how to avoid the Tax Authority’s radar

The precise and efficient completion of the M-sheets (domestic recapitulative statement) is vital to avoid the attention of the tax authority. The correct handling of M-forms is of utmost importance, as the tax authority\'s new risk analysis methods are focused on the accuracy of the reported data.

Mátyás Budai

2023.12.20

EÁFA (eVAT) M2M – What Needs to be Done Before the Introduction of the Electronic VAT System in 2024?

In 2024, the Tax Authority of Hungary (NAV) will make an innovative step in the field of VAT declarations with the introduction of eÁFA (or eVAT),which will base declarations on data instead of the previously accustomed aggregated data. In order to simplify their VAT declarations and reduce administrative burdens with the help of eVAT M2M, companies must undertake several important steps.

Mátyás Budai

2023.11.16

VAT Reclaim 2023 - Don't Let Your Expiring VAT Go to Waste

As the end of the year approaches, it is a priority for every company to check the VAT handling of their issued and received invoices. But why is VAT checking so crucial, and how does modern technology contribute to easier handling of the challenges involved?

Mátyás Budai

2023.05.25

Important changes planned by the Hungarian Tax Authority

Ever since the launch of the Online Invoice System, the Hungarian Tax Authority has been implementing both minor and major changes to the platform from time to time. Most recently, a change affecting a large number of businesses was announced by the Tax Authority in January, which was originally planned to go live on 15 May. However, according to the most recent news from the Hungarian Tax Authority, the go-live of the change has been postponed until 18 September. This means that companies that have failed to prepare for the changes involving corrective and cancellation invoices have nearly four more months to get ready