This post is part of UNISHKA Research Service’s ongoing OSINT world series. If you’re interested in learning more, subscribe to our Substack and follow us on social media to stay in the loop. You can also visit our website to explore all the toolkits we’ve created so far: www.unishka.com/osint-world-series.
We regularly share country-specific OSINT toolkits, along with case studies, investigative tips, and real-world examples to support open-source investigations. Our goal is to provide journalists, analysts, and engaged citizens with actionable resources and insights.
If we’ve missed any good sources, just drop us a comment or send an email to abawer@unishka.com — we’ll make sure to add them to the toolkit!
Entry #58 OSINT World Series
1. Open Data Portals
National Open Data Catalogue — data.gov.sk — Central catalogue of Slovak government open datasets. The old
data.gov.skaddress redirects here.Statistical Office of the Slovak Republic — National statistics authority.
DATAcube — Statistical Office — One of the most important sources for detailed demographic, economic, regional, labour, industry and population statistics.
National Bank of Slovakia — Statistics — Banking, FDI, balance of payments, securities, interest rates, property prices and macroeconomic indicators.
Ministry of Finance Open Data Portal — State budget, debt, invoices, orders, public-finance data and government expenditure.
Financial Administration Open Data — ODFS — Extremely useful tax/customs datasets including VAT registrations, tax debtors, border waiting times and revenue statistics.
SHMÚ Open Data — Slovak Hydrometeorological Institute open datasets.
SHMÚ Meteorological Open Data — Weather, rainfall and climate observations.
Slovak Election Results — VolbySR — Official election/referendum results, often downloadable down to municipality or polling-district level.
Eurostat — EU statistical datasets with detailed Slovakia filters.
EU Cohesion Open Data — Useful for tracing EU-funded projects in Slovakia.
2. Company Registries
Business Register of the Slovak Republic — ORSR — The primary company register. Search by business name, IČO, registered office, registration number or person. An English interface is available.
Register of Legal Entities, Entrepreneurs and Public Authorities — RPO — Broader than ORSR and useful for legal entities, entrepreneurs, government bodies and organizational units. Administration moved to the Ministry of Interior in June 2026.
Slovak Trade Register — Živnostenský register / ZRSR — Important for sole traders and licensed businesses.
Register of Financial Statements — RegisterÚZ — Search financial statements, annual reports and documents by company name, IČO, DIČ or LEI.
Register of Public Sector Partners — RPVS — One of Slovakia’s most valuable investigative databases. Includes organizations dealing with the public sector and can expose ultimate beneficial owners (UBOs).
Commercial Bulletin — Obchodný vestník — Corporate notices, liquidations, insolvencies, restructuring and other legally required publications.
Slovak Insolvency Register — Bankruptcy, liquidation, restructuring and insolvency proceedings. It replaced the former Register úpadcov from October 2025.
FinStat — Excellent commercial aggregator for Slovak companies, financials, directors, industry, employees and company events.
FOAF.sk — Particularly useful for searching people ↔ companies ↔ addresses ↔ corporate relationships.
OpenCorporates — International corporate database with Slovak entities.
GLEIF LEI Search — Useful for financial-sector entities and cross-border company relationships.
EU Business Registers / BRIS — Cross-border EU company searches.
OpenSanctions - Check if your target is sanctioned.
3. Land & Property Records
ESKN — Electronic Cadastre Services Portal — Official cadastral portal. Search ownership sheets, parcels, buildings, apartments, owners and other authorized persons.
CICA — Cadastral Information Portal — Official alternative interface for property/cadastral records. Particularly useful for ownership-sheet searches.
MAPKA / ZBGIS Cadastral Map — Map-based cadastral and parcel exploration.
ÚGKK — Geodesy, Cartography and Cadastre Authority — Central authority and gateway to official cadastral/geospatial services.
For research on current asking prices rather than legal ownership:
National Bank of Slovakia — Residential Property Prices — Useful for price/market analysis.
4. Geospatial Data and Maps
Slovakia-specific official GIS
ZBGIS / MAPKA — Excellent official base-map and cadastral environment.
National Geoportal of Slovakia — Government GIS portal.
Central Road Database — CDB — Detailed road-network data.
CDB Road Maps and Statistics — Road classes, motorway sections, road conditions and historical/statistical data.
CDB Interactive Road Map — IS MCS — Detailed technical road-network GIS.
Open mapping
Overpass Turbo — Query OSM features such as buildings, towers, embassies, infrastructure, roads and industrial sites.
Freemap Slovakia — Slovakia-focused OSM mapping.
Mapy.com — Particularly useful for Central European terrain, hiking trails and detailed POIs.
Satellite imagery
NASA FIRMS — Wildfire/thermal anomaly monitoring.
5. Flight & Vessel Tracking
Aircraft
Slovak Aircraft Register — Dopravný úrad — Official aircraft registry. Includes owner/operator, registration mark, aircraft type and serial number.
List of Registered Slovak Aircraft — Public list; the authority notes that the live register remains authoritative.
ADS-B Exchange — Especially valuable for aircraft that may be filtered by some commercial trackers.
Vessels
Slovakia is landlocked, so maritime OSINT is mainly relevant to Slovak-linked vessels and Danube traffic around Bratislava/Komárno rather than sea ports.
7. People Search
FOAF.sk People Search — Search names and discover company/address relationships.
ORSR — Search by Person — Directors, shareholders/partners and corporate appointments.
RPO — People associated with legal entities/businesses.
RPVS Beneficial Ownership Search — Search beneficial owners connected with public-sector partners.
CICA Cadastre — Property-owner research where legally/publicly available.
Public Officials and Asset Declarations — NRSR — Outstanding source for politicians and senior public officials.
OCCRP Aleph — Extremely valuable for cross-border company/person/document research.
OpenSanctions - Check if your target is sanctioned.
NGO Register — Can search organization representatives and associated persons.
Useful Google queries
"Firstname Lastname" Slovakia
"Firstname Lastname" Slovensko
"Firstname Lastname" Bratislava
"Firstname Lastname" site:orsr.sk
"Firstname Lastname" site:rpvs.gov.sk
"Firstname Lastname" site:nrsr.sk
"Firstname Lastname" site:registeruz.sk
"Firstname Lastname" site:crz.gov.sk
"Firstname Lastname" site:uvo.gov.sk
"Firstname Lastname" site:justice.gov.sk
"Firstname Lastname" filetype:pdf
"Firstname Lastname" IČO
"email@example.com"
"+421 phone-number"For organizations:
"Company Name" IČO
"Company Name" site:orsr.sk
"Company Name" site:registeruz.sk
"Company Name" site:rpvs.gov.sk
"Company Name" site:crz.gov.sk
"Company Name" site:uvo.gov.sk
"Company Name" konateľ
"Company Name" vlastník
"Company Name" faktúra8. Media Outlets
Public-service / state-related
STVR — Slovak Television and Radio — Slovakia’s public broadcaster.
TASR — News Agency of the Slovak Republic — Public-service national news agency.
TASR NewsNow — English — Very useful English-language Slovakia feed.
Major mainstream/private outlets
Hospodárske noviny / HNonline — Business/economic reporting.
TREND — Business/economics.
TA3 — Television news.
English / international-facing
The Slovak Spectator — One of the most useful English-language sources focused specifically on Slovakia.
Independent / investigative / media-monitoring
Investigative Center of Ján Kuciak — ICJK — Investigative journalism and corruption/network investigations.
MEMO 98 — Media monitoring, elections, disinformation and rule-of-law research.
O médiách — Slovak media-industry reporting.
Media Ownership Monitor / EuroMedia Ownership Monitor — Slovakia — Very useful for identifying media owners and political/business relationships.
Reuters Institute — Slovakia Digital News Report — Useful overview of audiences, trust and media structure.
Disinformation / alternative-media monitoring
Konšpirátori.sk — Database/review system covering Slovak and Czech websites associated with conspiratorial or unreliable content.
Hoaxy a podvody — Slovak disinformation, scams and information-operation monitoring.
Infosecurity.sk — Information security, influence and disinformation analysis.
9. Public Procurement, Government Contracts & Public Spending
Central Register of Contracts — CRZ — Search government contracts by supplier, IČO, contract value, organization, date and contract number.
ÚVO Bulletin and Registers — Procurement bulletins, contracting-authority profiles, suppliers, sanctions/debarments and related registers.
ÚVO Procurement Search — Search contracts by contracting authority, IČO, CPV, NUTS, funding and procedure.
Register of Public Sector Partners — RPVS — Essential for identifying beneficial owners behind government suppliers.
Ministry of Finance Open Data — Invoices, orders and public-finance data.
EU TED — Tenders Electronic Daily — EU-level tenders involving Slovak contracting authorities and businesses.
EU Financial Transparency System — EU beneficiaries.
10. Courts, Legal Records, Insolvency & Enforcement
Slov-Lex — Official legal-information system containing legislation, EU law and court decisions.
Electronic Collection of Laws — eZbierka — Search Slovak legislation.
Court Decisions — Ministry of Justice — Courts, judges, hearings and judicial decisions.
Slov-Lex Case Law Search — Search by keyword, court, case number and decision date.
Register of Finality/Enforceability of Court Decisions — Search via ECLI or case details.
Central Register of Executions — CRE — Enforcement/execution records; some access/services require registration/payment.
11. Politics, Elections & Public Officials
National Council of the Slovak Republic — NRSR — MPs, committees, bills, parliamentary documents and voting.
Public Officials Asset Declarations — Functions, outside employment/business interests and asset declarations.
Register of Political Parties and Political Movements — Search party names, addresses, registration numbers, status and associated people.
12. NGOs, Associations & Civil Society
Register of Non-Governmental Non-Profit Organizations — RMNO — Search associations, foundations, non-profit organizations, funds and organizations with an international element. Searches can include IČO, organization, municipality and associated physical persons.
RPO — Also useful for NGO/legal-entity verification.
RegisterÚZ — Financial statements for organizations required to file them.
FinStat - search a company by name or IČO (Slovak company identification number) and quickly see things such as revenue, profit, assets, taxes, employee estimates, industry, company status and historical financial performance.
13. Tax, Customs, Trade & Border Data
Financial Administration Public Lists — VAT lists, tax debtors, excise-tax registrations, corporate income-tax figures and other taxpayer datasets.
Tax Debtors Dataset — Useful company/person red flag.
Slovakia–Ukraine Border Crossing Waiting Times — Current information for Vyšné Nemecké, Ubľa and Veľké Slemence, including freight/passenger traffic.
UN Comtrade — Slovakia import/export research by commodity and partner country.
14. Internet, Domains & Cyber Infrastructure
SK-NIC WHOIS — .sk Domains — Official
.skdomain WHOIS lookup.SK-NIC —
.skregistry.RIPE Database — IP ranges, network organizations, ASNs and contacts.
RIPEstat — Network/ASN/IP intelligence. RIPE provides country-resource data allowing Slovakia’s IP prefixes and ASNs to be identified.
Government CSIRT Slovakia — Slovak government cybersecurity incident/vulnerability information.
CSIRT.SK Monthly Cybersecurity Reports — Especially useful for monitoring cyber events affecting Slovakia.
15. Historical Records, Archives & Genealogy
Ministry of Interior / IVeS Registers — Includes archival books, war graves, municipal records and several historical registers.
FamilySearch — Slovakia Genealogy — Church registers, historical births/marriages/deaths and genealogy guidance.
Slovakiana — Digitized Slovak cultural heritage.
Europeana — Historical newspapers, photos, maps and cultural records involving Slovakia.
16. Other Toolkits and Resources
17. Miscellaneous
Google Scholar — Academic material about Slovakia.
Reddit Slovakia — r/Slovakia — Useful for leads, local terminology and community context.
Want more tools? Check out our full collection of OSINT resources here: https://unishka.com/resources/
You can also visit our website to explore all the toolkits we’ve created so far: www.unishka.com/osint-world-series.
If we’ve missed any good sources, just drop us a comment or send an email to abawer@unishka.com — we’ll make sure to add them to the toolkit!

