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Primary Identifier: We use IRUS (Identificador Único del Registro de Sociedades) as the company ID for all Spanish entities.IRUS is a 13-digit unique registry identifier assigned by the Colegio de Registradores. Search by NIF/CIF is supported and returns the corresponding IRUS.

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Understanding Spanish Company Identifiers

IRUS (Identificador Único del Registro de Sociedades)
  • 13 digits: 1000263762669
  • Unique identifier assigned by the Registro Mercantil
  • Used for all document operations
NIF/CIF (Número de Identificación Fiscal)
  • Letter + 8 digits: A82511361
  • Tax identification number
  • Accepted for search, but returns IRUS as the company ID

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Search Capabilities

Search automatically detects the identifier type and returns appropriate results:
Search PatternFormatExamplesMatch Type
Company NameText stringTelefonicaFuzzy match
NIF/CIFLetter + 8 digitsA82511361Exact match, returns IRUS
IRUS13 digits1000263762669Exact match
Example Searches: 
// Company name search
search('Telefonica');  // Returns multiple matches

// NIF search - returns company with IRUS as ID
search('A82511361');   // Returns { id: "1000263762669", ... }

// IRUS search - direct lookup
search('1000263762669');  // Returns exact match
When searching by NIF/CIF, the search returns the company with its IRUS as the id. Use this IRUS for subsequent companyProfile and availableDocuments requests.

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Company Profile

Company profile data is retrieved from OpenData Registradores (opendata.registradores.org):
  • Legal name and legal form
  • NIF, IRUS, and EUID identifiers
  • Registered address
  • Share capital (when available)
  • CNAE/NACE activity codes
  • Legal representatives
  • Registration date and status
Spain supports various company classifications:
Spanish Legal FormEnglish TranslationTopograph Standard
Sociedad Anónima (SA)Public Limited CompanyCorporation
Sociedad Limitada (SL)Limited Liability CompanyLimited Liability Company
Sociedad Limitada Nueva Empresa (SLNE)New Enterprise Limited CompanyLimited Liability Company
Sociedad ComanditariaLimited PartnershipPartnership
Sociedad ColectivaGeneral PartnershipPartnership
SucursalBranchBranch or Representative Office
Legal representatives are extracted from OpenData with role classification:
  • Administrador único: Sole Director
  • Administrador solidario: Joint and Several Director
  • Administrador mancomunado: Joint Director
  • Consejero: Board Member
  • Presidente: Chairman
  • Secretario: Secretary
  • Apoderado: Attorney-in-fact

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Available Documents

Documents are retrieved from SEDE Electrónica del Colegio de Registradores with real-time pricing:

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Trade Register Extract (Nota Informativa Mercantil)

Official extract containing current company information:
  • Company registration details
  • Current status and legal form
  • Registered office
  • Share capital
  • Management structure
Format: PDF Retrieval Time: ~3-5 minutes

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Financial Statements (Depósito de Cuentas)

Annual accounts filed with the Registro Mercantil:
  • Balance sheet
  • Profit and loss statement
  • Annual report
  • Available per fiscal year
Format: PDF Retrieval Time: ~3-5 minutes per year
Document prices are fetched in real-time from SEDE and displayed in the price field before purchase. Prices vary by document type.

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Data Coverage

Currently Available:
  • Company ID (IRUS)
  • NIF/CIF tax identifier
  • EUID (European Unique Identifier)
  • Legal name
  • Legal form
  • Registration date and status
  • Registered address
  • Share capital
  • Activity codes (CNAE, NACE)
  • Legal representatives
  • Trade register extract (PDF)
  • Financial statements (PDF, per year)
Not Available:
  • Shareholders (not in public register)
  • UBO (Ultimate Beneficial Owners)
  • Employee count