OSINT of Spain

This post is part of UNISHKA Research Service’s ongoing OSINT series. If you’re interested in more, subscribe to our Substack and follow us on social media to stay in the loop. We regularly share country-specific OSINT toolkits, along with case studies, investigative tips, and real-world examples to support open-source investigations. Our aim is to support journalists, analysts, and engaged citizens with actionable resources and insights.

We gratefully acknowledge the contributions of Clara Rodríguez Chirino, an OSINT investigator from Spain, who collaborated with UNISHKA on this toolkit.

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 #12 OSINT Series

Open Data

• Datos.gob.es – Centralized portal for all public sector open data in Spain.

• INE (Instituto Nacional de Estadística) – National Institute of Statistics (population, demographics, economy, etc.).

• World Bank Data - Spain

Company Registries / Business Info

• Infonif Economia (Private Database)

• Datoscif (Private Database)

• Informa (Private Database)

• Spanish Official Trade Registry - (Non-residents or foreigners must request any information via the following link, where they will need to register and deposit at least EUR 150 into their account.) It allows you to search for companies and directors, not shareholders.

• Trade Registry Official Gazette

• Official Gazette of each Autonomous Region and Province

• Infobel Spain - Phone directory plus some business ownership metadata.

• National Securities Market Commission - Search official registers for information filed about a company.

• National Securities Market Commission - Warnings (unauthorised firms and other entities)

Land & Property Records

• Spanish Land Registry - (Non-residents or foreigners must request any information via the following link, where they will need to register and deposit at least EUR 150 into their account: https://sede.registradores.org/site/alta/alta-abonado)

• Catastro Virtual (Sede Electrónica del Catastro) – Spanish cadastre (property location, size, use, owner info for some cases).

• Registro de la Propiedad / Registradores de España – Property and land ownership register (paid services for ownership titles).

• Geoportal del Catastro – Interactive cadastral map with property parcel boundaries and basic data.

Vehicle & Registration Info

• DGT (Dirección General de Tráfico) – Vehicle registration and traffic info (you can request reports using license plate or VIN, some reports are paid).

• Fishing Fleet Registry

• Carfax España – Vehicle history reports (paid).

• Vehicle Check - Spain

• Car Registrations Spain

Litigation & Regulatory

• General Council of the Judiciary

• Spanish Constitutional Court

• Boletín Oficial del Estado (BOE) – Legal Notices

• Official online justice portal of the Basque Country (Euskadi)

• European Court of Human Rights (ECHR – Strasbourg)

• Sanctions by the Spanish Bank

• Official Registro Público Concursal of Spain, a government-run portal focused on insolvency (bankruptcy) - Information on debtors.

• Annual list of the largest debtors with the Spanish Tax Administration (Available Since 2015)

• National Authority for Markets and Competition

People Search & Personal Data

• BOE (Boletín Oficial del Estado) - Spain’s official gazette: search for individuals in legal notices, insolvency, sanctions, official appointments, pardons, public employment exams, etc.

• Páginas Blancas (White Pages)

• Páginas Amarillas (Business directory) – useful if the target owns a business or works for one.

• Social Searcher - Search across multiple social networks by name, handle, or keyword.

• EU Sanctions - Check if a person appears in EU sanctions.

• Google Dorking: Government appointments, pardons, grants, sanctions, court rulings.

  • site:boe.es "Nombre Apellido" site:boe.es intitle:"Nombramientos" "Nombre Apellido" site:boe.es "Nombre Apellido" intext:"indulto" site:boe.es "Nombre Apellido" intext:"condenado" site:boe.es "Nombre Apellido" intext:"subvención"

• People Finder - Spain

• Family Search - Spain

• MyHeritage Spain - Includes user-contributed family trees, birth/death records, cemetery listings.

• Geneanet Spain - Useful for surnames and tracing local family roots or nobility connections.

• Infobel Spain - Phone directory plus some business ownership metadata.

• INTERPOL Red Notices - Spain

Procurement & Tenders

• Plataforma de Contratación del Sector Público (PLACSP) – Central public procurement platform for Spanish government contracts.

• EU Tenders.

• Open tender - Spain.

• Tenders Info - Government Tenders, projects, contracts, and tenders notices in Spain.

WHOIS and Domain Info

• Dominios.es (Red.es) – WHOIS for .es domains (check registrant, contact data).

• Whois.domaintools.com – General WHOIS lookup for global domains.

• ViewDNS.info – Tools for WHOIS, DNS history, IP location, etc.

• crt.sh – Check SSL certificates linked to domains or emails.

Miscellaneous

• Wikileaks - Spain

• CIA Factbook - Spain

• Spanish Patent and Trademark Office

• Spanish Patent and Trademark Office (search for brands)

Want more tools? Check out our full collection of OSINT resources here: https://unishka.com/resources/

If you’re interested in contributing to a future toolkit, please email us at abawer@unishka.com and cc admin@unishka.com.

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!