Authorization of Electronic Services Provided by the Financial Administration

March 5, 2026

Procedure for Authorizing Electronic Services

In order to communicate with the tax authority, you must authorize electronic services on behalf of the entity for which you are requesting to communicate. By default, after creating an account, you can only communicate under your own name as an individual.

In the following guide, we'll show you how to add authorization for your own s.r.o. The only requirement is that you be registered on the Financial Administration portal.

Step 1

The first step is to log in to the financnasprava.sk portal


Step 1 - Log in to the Financial Administration
Step 1 – Log in to the Financial Administration website

Step 2

Select the eID option. Another option is KEP, a USB token that contains your signature data and can be used as an alternative to an ID card.


Step 2 - Registration using an ID card with eID
Step 2 – Registration using an ID card with eID

Step 3

  1. You must select the type of ID card. Slovak citizens should select an ID card; foreign nationals should select a residence permit or an ID card issued by another country.

Step 3 - ID Card Type
Step 3 – ID Card Type

Step 4

Next, enter your name (without your business ID number). If you are an officer of a business entity, hold a business license, or act as a representative for other entities, you may have multiple entities listed.


Step 5 - Selecting an Entity
Step 5 – Selecting an Entity

Step 5

After logging in, click on your name in the upper-right corner.


Step 6 - User Selection
Step 6 – User Selection

Step 6

Click on the authorization request.


Step 6 - Authorization Request
Step 6 – Authorization Request

Step 7

Subsequently, upon request for authorization by the taxpayer.


Step 7 - Taxpayer
Step 7 – Taxpayer

Step 8

Fill out the authorization request form. All red fields must be filled out. You do not need to enter your tax ID number. Once you have filled out the form, click "Sign" on the left.


Step 8 - Filling Out the Application
Step 8 – Filling Out the Application

Step 9

You will then need to re-enter the BOK.


Step 9 - Log In
Step 9 – Sign In

Step 10

The final step is to submit the signed application.


Step 10 - Submitting the Application
Step 10 – Submit the Application

Step 11

Be sure to write down the filing number in case it gets lost somewhere in the system and needs to be tracked down manually.


Step 11 - Filing Number
Step 11 – Filing Number

At TaxWise, we handle all necessary authorizations on behalf of our clients as an accounting firm. This means our clients do not need to deal with any authorizations, except in cases where they wish to review our work. If you are interested in comprehensive services, including representation before all government agencies, please feel free to fill out a non-binding request for accounting services or consulting services.

We look forward to working with you.