Firmaprofesional certificate profiles
This page describes the certificate profiles available through the Firmaprofesional integration, along with the documentation you need to collect before creating each request.
Personal certificates
Persona Física
| Field | Detail |
|---|---|
| Certificate holder | Individual (persona física) who holds the certificate |
| Who can request it | Any adult with full legal capacity |
| Validity | 1, 2, or 3 years |
| Uses | Personal procedures and those reserved for individuals |
Required documentation:
- DNI, photo residence card, or valid passport of the certificate holder
- Contract signed by the holder (downloaded from the Redtrust admin console)
note
A driving licence, NIE, or residence card without a photo are not valid.
Corporate certificates
Representante Legal
| Field | Detail |
|---|---|
| Subscriber | Corporation that owns the certificate |
| Signatory | Individual acting as legal representative |
| Who can request it | Sole administrator, joint administrator, or general attorney-in-fact |
| Validity | 1, 2, or 3 years (HW format); up to 5 years (SW format) |
| Uses | Identify the signatory as legal representative before public authorities and third parties |
Required documentation:
- DNI, photo residence card, or valid passport of the applicant
- Contract signed by the applicant
- Entity documentation according to type:
| Entity type | Option A (registered, sole/joint administrator) | Option B (not registered or no Mercantile Registry) | Option C (general attorney-in-fact) |
|---|---|---|---|
| Commercial | Simple note from the Mercantile Registry (max. 20 business days old) | CIF + deed of incorporation or power of attorney | CIF + notarial deed of unrestricted general power of attorney |
| Non-commercial (associations, foundations, etc.) | Query from the relevant registry (max. 20 business days old) | CIF + deed, minutes, or power of attorney | CIF + notarial deed of unrestricted general power of attorney |
| Professional association | CIF + appointment document for the president/dean + responsible declaration from the secretary (max. 20 business days old) | — | — |
| Public Administration | CIF + BOE or official gazette + representative appointment minutes + certificate from the Secretary-General (max. 20 business days old) | — | — |
warning
If powers of attorney are more than 3 months old, add a certificate of validity of the powers issued by a notary or competent authority (max. 20 business days before the request date).
Representante Voluntario
| Field | Detail |
|---|---|
| Subscriber | Corporation that owns the certificate |
| Signatory | Individual acting as voluntary representative |
| Who can request it | Voluntary representative with specific powers to act before Public Administrations |
| Validity | 1, 2, or 3 years (HW format); up to 5 years (SW format) |
| Uses | Act on behalf of the corporation before public administrations |
Required documentation:
- DNI or valid photo residence card of the applicant
- Contract signed by the applicant
- Entity documentation (same as Representante Legal, but for a joint administrator or attorney-in-fact with specific powers for public administrations)
warning
For the Representante Voluntario, a passport is not a valid identity document (unlike for the Representante Legal).
If the administrator is a joint administrator, add a declaration signed by all joint administrators (request the template from Firmaprofesional).
Persona Física Vinculada
| Field | Detail |
|---|---|
| Subscriber | Corporation that owns the certificate |
| Signatory | Employee, collaborator, or other person linked to the corporation |
| Who can request it | Legal or voluntary representative of the corporation |
| Validity | 1, 2, or 3 years (HW format); up to 5 years (SW format) |
| Uses | Personal procedures and those reserved for individuals |
Required documentation by case:
| Case | Documentation |
|---|---|
| Option A: employee or client linked to the requesting entity | DNI/passport/residence card of the signatory + signed contract |
| Option B: self-employed | DNI/passport/residence card + signed contract + document proving self-employed status (for example, latest self-employment contribution receipt) |
| Option C: person external to the requesting entity | DNI/passport/residence card + signed contract + request signed by a company representative + entity documentation by type (same as Representante Legal or Voluntario) |
Representante de Entidad sin Personalidad Jurídica
| Field | Detail |
|---|---|
| Subscriber | Entity without legal personality that owns the certificate |
| Signatory | The entity's representative |
| Who can request it | Representative with general powers to act before public administrations |
| Validity | 1, 2, or 3 years (HW format); up to 5 years (SW format) |
| Uses | Act on behalf of the entity |
Required documentation:
- DNI, photo residence card, or valid passport of the applicant
- Contract signed by the applicant
- CIF of the entity
- Entity incorporation document
- Representative appointment document (if more than 3 months old, add a responsible declaration from the representative, max. 20 business days old)
- If there are joint administrators: a declaration signed by all of them
Sello de Empresa
| Field | Detail |
|---|---|
| Subscriber | Corporation that owns the certificate |
| Signatory | The corporation's legal representative |
| Who can request it | Administrators and legal or voluntary representatives with sufficient authority |
| Validity | 1, 2, 3, 4, or 5 years |
| Uses | Authentication in secure systems, electronic invoicing, certified digitization |
Required documentation:
The documentation required depends on the type of representative making the request. See the requirements for the relevant profile:
- Representante Legal
- Representante Voluntario
- Representante de Entidad sin Personalidad Jurídica
Public Administration certificates
Sello de Órgano
| Field | Detail |
|---|---|
| Subscriber | Public entity that owns the certificate |
| Signatory | Representative or authorized person with sufficient authority |
| Who can request it | Administrators, legal and voluntary representatives, and authorized persons with sufficient authority |
| Validity | 1, 2, 3, 4, or 5 years |
| Uses | Authentication in secure systems, electronic invoicing, certified digitization |
Required documentation if the applicant is a legal or voluntary representative:
- DNI, NIE, or valid passport of the representative
- Contract signed by the representative
- Entity creation/incorporation document (BOE or public deed)
- CIF of the entity
- Representative appointment document
- Official certificate from the Secretary-General confirming continued tenure (max. 20 business days before the request date)
If the applicant is a person authorized by the representative, also include:
- DNI, NIE, or valid passport of the authorized person
- Authorization from the legal or voluntary representative in favor of the authorized person
Empleado Público
| Field | Detail |
|---|---|
| Subscriber | Public entity that owns the certificate |
| Signatory | Public employee who holds the certificate |
| Who can request it | Administrators, legal and voluntary representatives, and authorized persons with sufficient authority |
| Validity | 1, 2, 3, or 4 years |
| Uses | Authentication in secure systems, electronic invoicing, certified digitization |
Certificate holder documentation:
- DNI, NIE, or valid passport of the public employee
- Contract signed by the holder
- Document proving public employee status (appointment document or HR certificate)
Entity documentation:
- Entity creation/incorporation document (BOE or public deed)
- CIF of the entity
Applicant documentation:
| Case | Additional documentation |
|---|---|
| The applicant is the legal representative | DNI/NIE/passport of the representative + official certificate from the Secretary-General (max. 20 business days old) |
| The applicant is an authorized person | DNI/NIE/passport of the authorized person + official certificate from the Secretary-General (max. 20 business days old) + authorization signed by the legal representative |
Professional association certificates
Colegiado
| Field | Detail |
|---|---|
| Signatory | Registered professional (colegiado) who holds the certificate |
| Who can request it | Any professional registered with an authorized professional association |
Required documentation:
- Copy of the holder's DNI
- Contract signed by the holder
- Document proving professional association membership (or a query to an information system that confirms it)
General notes
Identity documents
- Valid: DNI, residence card with photo, valid passport
- Not valid: driving licence, NIE, residence card without a photo
For foreign applicants with a NIE, select the "Otros documentos" option in the Documento field of the form and choose Spain as the country.
Powers of attorney
If powers of attorney are more than 3 months old, Firmaprofesional requires a certificate of validity of the powers issued by a notary or competent authority, dated no more than 20 business days before the request.
Certificate duration
When a representative's appointment has a limited term, the certificate cannot be issued for a period longer than what the deed or appointment document specifies.
Holder conditions
- Certificates can only be issued to persons aged 18 or over, or emancipated minors.
- The entity's NIF must be final (not provisional).
- The holder's identity document must include at least one surname.