Certificates for Companies

Associated Natural Person Certificate

Representative Natural Person Certificate

Representative Natural Person Certificate of an Organization without Legal Personality

Electronic Body Stamp Certificate

Associated Natural Person Certificate

These Certificates for Companies identifies the holder (natural person) as linked to an organization, indicating the position he/she occupies (employee, associate, collaborator, client, supplier, etc).
The owner can make digitally signed communications, in accordance with his/her usual functions.

Who can request one?
  • The legal representatives (administrators) and/or volunteers with power for this purpose (general or special attorneys-in-fact).
  • Self-employed professionals may request this certificate when they do not have a legal personality to represent them, the identity of the natural person and the legal person being the same.
Validity period and legal compliance

1 to 3 years.

  • Identity Card, NIE (*), or Passport.
  • Company certificate (signed by a legal representative of the entity issued 15 days before the filing date).
  • Tax ID Number of the entity.
  • *(Identification Number for Foreigners)

Qualified certificate:

ETSI EN 319 411-2

Qualified electronic signatures:

OID 1.3.6.1.4.1.47155.1.1.1

Advanced electronic signatures:

OID 1.3.6.1.4.1.47155.1.1.2

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Representative Natural Person Certificate

This type of certificate allows a natural person to act as the unique administrator or legal representative of an entity or organization.

Case of Use

For digital signature of contract, minutes, instructions, …

Who can request one?
  • Unique or joint administrator.
  • Attorneys with general powers.
Validity period and legal compliance

1 to 3 years.

Commercial Companies:

  • Identity Card, NIE (*), or Passport.
  • Certificate from the Commercial Registry.
  • Attorneys not registered in the Mercantile Registry: present power of attorney certifying the validity of the power of attorney (issued 15 days before the filing date).
  • *(Identification Number for Foreigners)

Associations or Foundations:

  • Identity Card, NIE (*), or Passport.
  • Simple note from the Registry of Associations or Foundations (issued 15 days before the filing date).
  • Deeds of incorporation of the entity and Public document of the power of the legal representative.
  • *(Identification Number for Foreigners)

Public entities:

  • Identity Card, NIE (*), or Passport.
  • Tax ID Number and Act of appointment of the representative.
  • Public document of incorporation, BOE (Official State Gazette), or public deed.
  • *(Identification Number for Foreigners)

Temporary union of companies:

  • Identity Card, NIE (*), or Passport.
  • Articles of incorporation of the entity and Tax ID Number.
  • Public document of the power of attorney of the legal representative (issued 15 days before the filing date).
  • *(Identification Number for Foreigners)

Agrarian Transformation Society:

  • Identity Card, NIE (*), or Passport.
  • Simple note from the SAT Registry (issued 15 days before the filing date).
  • Deeds of incorporation of the entity and Tax ID Number.
  • *(Identification Number for Foreigners)

Qualified certificate:

ETSI EN 319 411-2

Qualified electronic signatures:

OID 1.3.6.1.4.1.47155.1.2.1

Advanced electronic signatures:

OID 1.3.6.1.4.1.47155.1.2.2

Legal representation or general power of attorney:

OID 2.16.724.1.3.5.8

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Representative Natural Person Certificate of an Organization without Legal Personality

These certificates regulate a relationship of legal representation or general power of attorney between the natural person identified in the certificate and an entity without legal personality.
In these certificates, the representative natural person has full capacities to act on behalf of the entity without Legal Personality before the Public Administrations.
(Certificate collected by Law 59/2003).

Who can request one?

Whoever requests the certificate must be the representative of the entity without the legal personality of the subscribing corporation.

Validity period and legal compliance

1 to 3 years.

Entities without legal personality inscribable in the Public Registry:

  • Identity Card, NIE (*), or Passport.
  • Supporting document (existence of said organization) and Tax ID Number.
  • Simple note from the Public Registry (issued 15 days before the filing date).
  • In case of being voluntary representation, power of attorney.
  • *(Identification Number for Foreigners)

Entities without legal personality that cannot be registered in the Public Registry (communities of assets or civil companies):

  • Identity Card, NIE (*), or Passport.
  • Power of Attorney of the Applicant.
  • Supporting document (existence of said organization) and Tax ID Number.
  • Responsible declaration of your position (issued 15 days before the filing date).
  • *(Identification Number for Foreigners)

Qualified certificate:

ETSI EN 319 411-2

Qualified electronic signatures:

OID 1.3.6.1.4.1.47155.1.2.11.

Advanced electronic signatures:

OID 1.3.6.1.4.1.47155.1.2.12

Legal representation or general power of attorney:

OID 2.16.724.1.3.5.9

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Electronic Body Stamp Certificate

This certificate issued to organizations is intended to automatically seal on behalf of the company any electronic document without reference to the legal representative.
It can be applied to any company or entity.

Case of Use
  • These Certificates for Companies can be used in any commercial or internal document that must be stamped by the company: budgets, invoices, payroll, etc. since its function is similar to the traditional business stamp.
  • These Certificates for Companies  can be applied to an electronic document to guarantee its origin and integrity.
Who can request one?
  • The legal representatives (administrators) and/or volunteers with power for this purpose (general or special attorneys-in-fact).
  • Self-employed professionals may request this certificate when they do not have a legal personality to represent them, the identity of the natural person and the legal person being the same.
Validity period and legal compliance

1 to 3 years.

Commercial Companies:

  • Identity Card, NIE (*), or Passport of the applicant.
  • Certificate from the Mercantile Registry.
  • In the case of proxies that are not registered in the Mercantile Registry, it will be necessary to present the power of attorney.
  • *(Identification Number for Foreigners)

Associations or Foundations:

  • Identity document, NIE (*), or Passport of the applicant.
  • Simple note from the Registry of Associations or foundations.
  • Deeds of incorporation of the entity and Public document of the power of the legal representative.
  • *(Identification Number for Foreigners)

Public entities:

  • Identity document, NIE (*), or Passport of the applicant.
  • Tax ID Number and Act of appointment of the representative.
  • Public document of incorporation, BOE (Official State Gazette), or public deed.
  • *(Identification Number for Foreigners)

Temporary union of companies:

  • Identity document, NIE (*), or Passport of the applicant.
  • Deeds of incorporation of the entity and Tax ID Number.
  • Public document of the power of attorney of the legal representative.
  • Responsible declaration of the representative of the validity of the position.
  • *(Identification Number for Foreigners)

Agrarian Transformation Society:

  • Identity document, NIE (*), or Passport.
  • Simple note from the SAT Registry.
  • Deeds of incorporation of the entity and Tax ID Number.
  • *(Identification Number for Foreigners)

Qualified certificate:

ETSI EN 319 411-2

Qualified electronic signatures:

OID 1.3.6.1.4.1.47155.1.6.1

Advanced electronic signatures:

OID 1.3.6.1.4.1.47155.1.6.2

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