The Register of Legal Entities, Entrepreneurs and Public Authorities (Register právnických osôb, podnikateľov a orgánov verejnej moci), run by the Statistical Office of the Slovak Republic. It is the source of the Slovak company records Prometiam serves.

What is a Slovak IČO?

Eight digits, for example 35763469, written with leading zeros. The last digit is a mod-11 check digit with the weights 8, 7, 6, 5, 4, 3, 2, but the check is advisory: the API validates the six to eight digit format and a mismatch is a warning.

Can I look up a Slovak company by VAT number?

No. The RPO carries no VAT number (DIČ, IČ DPH), and the IČO is not a VAT number, so a vat search for Slovakia is refused. Search by IČO or by name.

Which activity classification do Slovak records use?

SK NACE Rev. 2.1 (the 2025 classification): four digits, written without a dot. activity_code_scheme is SK-NACE-2025.

Does Prometiam serve Slovak officers, company events or insolvency notices?

Company events yes; officers and insolvency notices no. Slovak records are company-level: legal name, legal form, status, registered address, activity code and dates. There are no officers and no registry-compliance signal, and no insolvency notices: bankruptcy (konkurz) and restructuring show only in the company's status. Register-change events (name, status, legal form and registered address; dated when the change first appears in the register data, none before 2026-09-30) and monitoring are available.

Which Slovak entities are included?

Commercial legal persons only: companies, partnerships, cooperatives, branches of foreign companies and state enterprises. Associations, foundations and other non-commercial entities are not served, and sole traders and other natural persons are never served, so a search for one returns nothing even though it exists.

What is the RPO (Slovakia's Register of Legal Entities)?

The Register of Legal Entities, Entrepreneurs and Public Authorities (RPO) is the Slovak register of legal entities, run by the Statistical Office of the Slovak Republic, and it is where the Slovak company records Prometiam serves come from. Every legal entity in it carries an IČO: eight digits, such as 35763469 for Slovak Telekom, a.s. The RPO carries no VAT number.

The IČO

The IČO is eight digits, written with leading zeros. The last digit is a mod-11 check digit (weights 8, 7, 6, 5, 4, 3, 2), but the check is advisory: a number that fails it is a warning and is still looked up.

Legal forms and status

The legal form is the register's code with its Slovak label, for example 112 for the s.r.o. and 121 for the a.s. The status includes bankruptcy (konkurz), restructuring and liquidation. The activity code is SK NACE Rev. 2.1, four digits without a dot.

What Prometiam serves for Slovakia

Company records from the Slovak Register of Legal Entities (RPO): legal name, legal form, status (including bankruptcy (konkurz) and restructuring), registered address, activity code (SK NACE Rev. 2.1) and dates; with register-change events and monitoring, but no officers, no registry-compliance signal and no insolvency notices. Commercial legal persons only (no associations, foundations or other non-commercial entities); no VAT number (a vat search is refused); sole traders and other natural persons are never served.

Querying Slovak companies

GET /companies/search?company_number=35763469&country=SK returns the record. The free IČO lookup runs the same call without a key.

Read the full guide · Get a free API key

Official sources: RPO API documentation · Statistical Office of the Slovak Republic. Contains data from the Register of Legal Entities (RPO), Ministry of Interior and Statistical Office of the Slovak Republic, CC BY 4.0

Who supplies what

Name	What it is
RPO	The Register of Legal Entities, Entrepreneurs and Public Authorities. Its open data is the source of the legal name, legal form, status, registered address, activity code and dates.
Statistical Office of the Slovak Republic	The authority that runs the register (formerly the Ministry of the Interior). Prometiam's Slovak records carry the attribution line "Contains data from the Register of Legal Entities (RPO), Ministry of Interior and Statistical Office of the Slovak Republic, CC BY 4.0".
IČO	The eight-digit number of a legal entity, for example `35763469`. The key you store for the register record.
DIČ / IČ DPH	The tax number and the VAT number. Different numbers from the IČO, and not in the RPO.

What a Slovak record holds

Field	Notes
Legal name	The official name of the entity.
Legal form	The register's legal-form code with its Slovak label: for example 112 for the s.r.o. (private limited company), 121 for the a.s. (public limited company), 111 for the v.o.s. (general partnership), 113 for the k.s. (limited partnership), 205 for the družstvo (cooperative) and 125 for the j.s.a. (simple joint-stock company).
Status	The register's state: active, in liquidation, in bankruptcy (konkurz) or in restructuring (reštrukturalizácia), among others. A company in bankruptcy or restructuring is not served as plain active.
Registered address	The registered address: street and number, postal code and municipality, with the region (kraj).
Activity code	The main activity in SK NACE Rev. 2.1: four digits, written without a dot. `activity_code_scheme` is `SK-NACE-2025`.
Dates	The date the entity was established and, where it has ended, its termination date.

Frequently asked questions

What is the RPO?: The Register of Legal Entities, Entrepreneurs and Public Authorities (Register právnických osôb, podnikateľov a orgánov verejnej moci), run by the Statistical Office of the Slovak Republic. It is the source of the Slovak company records Prometiam serves.
What is a Slovak IČO?: Eight digits, for example 35763469, written with leading zeros. The last digit is a mod-11 check digit with the weights 8, 7, 6, 5, 4, 3, 2, but the check is advisory: the API validates the six to eight digit format and a mismatch is a warning.
Can I look up a Slovak company by VAT number?: No. The RPO carries no VAT number (DIČ, IČ DPH), and the IČO is not a VAT number, so a vat search for Slovakia is refused. Search by IČO or by name.
Which activity classification do Slovak records use?: SK NACE Rev. 2.1 (the 2025 classification): four digits, written without a dot. activity_code_scheme is SK-NACE-2025.
Does Prometiam serve Slovak officers, company events or insolvency notices?: Company events yes; officers and insolvency notices no. Slovak records are company-level: legal name, legal form, status, registered address, activity code and dates. There are no officers and no registry-compliance signal, and no insolvency notices: bankruptcy (konkurz) and restructuring show only in the company's status. Register-change events (name, status, legal form and registered address; dated when the change first appears in the register data, none before 2026-09-30) and monitoring are available.
Which Slovak entities are included?: Commercial legal persons only: companies, partnerships, cooperatives, branches of foreign companies and state enterprises. Associations, foundations and other non-commercial entities are not served, and sole traders and other natural persons are never served, so a search for one returns nothing even though it exists.