LAW 5/2014 ON PRIVATE SECURITY

That regulates the activity of the Private Detective and confers exclusivity to carry out private investigations and specifically for the "obtaining and providing information and evidence" (art. 48) in the economic, labor, commercial, financial fields and in general in personal life , family and/or social.

CIVIL PROSECUTION LAW

Article 265 – “…The reports prepared by legally authorized private investigation professionals (private detectives), on relevant facts in which they support their claims. On these facts, if they are not recognized as true, testimonial evidence will be practiced

Jurisprudence

The Supreme Court defines private detectives as privileged witnesses or with documents, and adds in different sentences that it is "an instrument endowed with exclusivity for the effective control of the duties required of the worker." "The testimony issued by private detectives has in favor of its veracity, in addition, in an undeniable way, it provides the precise and continuous dedication to the object of the subsequent testimony to be issued and the complementary graphic or sound accreditations that may be accompanied". (STS 6-11-90).

“The Administrative Litigation Chamber of the Supreme Court considers it legal for a public body to hire private detectives to investigate its public officials during their working hours, since this does not violate the right to privacy” (STS 05-12-98)