Business and tax digitalization made simple.
Hungarian eVAT and NAV M2M in one platform. Manage your Hungarian tax obligations in one place. With SimplyX, you can create and submit tax returns, track processing responses from NAV and verify business partners — for a single company or multiple businesses.
Preparing for operations after ÁNYK
New filings can be submitted through ÁNYK until 31 December 2026. The appropriate replacement channel is not the same for every obligation. ONYA or another NAV web interface may be sufficient for a simpler process, while recurring and higher-volume operations may require NAV M2M or eVAT M2M. SimplyX guidance and the free route chooser help organisations decide by obligation, data source, and operating model instead of treating the transition as a single software replacement.
NAV M2M and eVAT M2M in one platform
NAV M2M is an option for general machine-to-machine tax administration, while eVAT M2M is a separate VAT-specific data, validation, and approval process. The two are not interchangeable. The planned platform brings return data, NAV feedback, validation results, and filing statuses into a shared, traceable interface. Technical validation does not replace professional review, so the workflow distinguishes automated checks from the decisions and approvals that remain the responsibility of the taxpayer and its advisers.
For accounting firms and multi-entity finance teams
In an accounting firm, the main challenge is rarely sending a single return. The harder task is controlling permissions, deadlines, and statuses for dozens of clients. Multi-entity views, client-level access, and a common status list make this operating model easier to oversee. For corporate finance teams, the focus shifts to ERP and accounting data, mapping internal VAT codes to NAV standard codes, and finding data-quality problems before submission. SimplyX applies the same auditable process model to both environments.
Partner checks, validation, and traceability
Hungarian and EU partner verification, bulk checks, and status monitoring reduce the risk of discovering a problem only during closing or return preparation. The eVAT XML validator is already available: files remain in the browser while the tool checks their structure against the current NAV schema. Searchable eVAT and NAV M2M code references, together with the tax technology glossary, translate technical messages into practical explanations and link them back to primary official sources.
A tailored implementation and commercial proposal
The quote request captures the expected number of users and managed companies together with eVAT analytics volume, NAV M2M submissions, and partner checks. SimplyX uses this operating profile to prepare a monthly or annual proposal covering the required capacity, integration scope, and onboarding support. The professional blog, NAV M2M and eVAT guides, ÁNYK transition resources, glossary, error-code references, and XML validator remain freely accessible.