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We provide expert private investigation services throughout Spain, customized to meet both personal and corporate requirements.
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Private Investigations in Spain
from 500 EUR /case
Fair Pricing
Rates are based on the complexity of each case. No hidden charges – all terms are agreed in advance with complete transparency.
Absolute Confidentiality
We ensure total discretion in every investigation. Protecting your privacy and trust is our highest priority.
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Swift & Precise
We respond promptly while maintaining accuracy. Urgent cases receive immediate attention.
Legal & Reliable
All investigations are carried out in full compliance with Spanish and EU legislation, ensuring that all gathered evidence is legally admissible.
Nationwide Reach
We operate throughout Spain and, if required, internationally – wherever your case takes us.
Cutting-Edge Technology
We employ the latest surveillance tools and advanced investigative methods to deliver precise and reliable results.
Private investigator Spain
Spain, with its diverse regions, vibrant cities, and international business links, often presents situations where professional investigative services are essential. DET.GROUP offers the expertise of a trusted Private Investigator in Spain, providing discreet and effective solutions for private individuals, corporations, and legal professionals who require clear and actionable information.
Our investigative team operates throughout Spain, combining local knowledge with international resources. From Madrid to Barcelona, Valencia to Seville, and beyond, we adapt our approach to the unique characteristics of each location. Every case is handled with professionalism, strategic planning, and complete respect for privacy and legal standards.
Our services in Spain cover a wide range of investigative needs. We conduct infidelity investigations to clarify doubts in relationships while maintaining absolute discretion. Through targeted surveillance, we gather credible evidence without alerting the subject. When it is necessary to locate an individual, our address tracing methods deliver accurate results within the boundaries of the law.
We also provide background checks to verify identities, histories, and professional qualifications. Businesses benefit from our due diligence investigations before entering into partnerships or investments. Our asset tracing service uncovers concealed property or funds, ensuring nothing remains hidden. Employers across Spain rely on our employment verification to confirm candidate credentials. In urgent situations, our missing person investigations work to reconnect families, friends, or important business contacts.
Choosing a private investigator in Spain gives you access to professionals who understand the country’s regional diversity, legal systems, and cultural nuances. Whether operating in busy urban centres, coastal resorts, or rural areas, DET.GROUP delivers results efficiently and discreetly.
All investigations we conduct in Spain comply fully with Spanish law and professional ethical standards. This ensures that the evidence we provide is both reliable and legally admissible, while protecting client confidentiality at every stage.
If you are looking for a Private Investigator in Spain who can combine local expertise with international reach, contact DET.GROUP today for a confidential consultation.
In Spain, we provide private investigation services in full compliance with Law No. 5/2014 of April 4 on Private Security (Ley 5/2014, de 4 de abril, de Seguridad Privada), along with the relevant implementing regulations (e.g., Royal Decree 2364/1994). At DET.GROUP’s Spanish branch, we guarantee that every investigation meets all legal requirements, is conducted professionally, ethically, and within the boundaries of applicable law.
Where do we operate?
At DET.GROUP, we operate throughout Spain, providing discreet and professional investigation services in all major destinations. Our experienced team of private investigators is available in Barcelona, Madrid, Sevilla, Granada, Málaga, Mallorca, Ibiza, Menorca, Formentera, Tenerife, Gran Canaria, Lanzarote, and Fuerteventura, ensuring complete national coverage for both individuals and businesses. Wherever you are in Spain—whether on the mainland or the islands—we are ready to uncover the truth and deliver precise, legally obtained evidence you can rely on.
Payment Options
We provide a range of flexible payment methods designed for your convenience and full transparency. You can settle your invoice using credit or debit cards (Visa, MasterCard), bank transfers, cash by prior arrangement, mobile payment services such as Apple Pay, or even cryptocurrencies like Bitcoin.




We conduct our work strictly within the limits of the received deposit. Once the deposit is confirmed, we commence the investigation. All financial transactions are processed securely and remain fully confidential, with invoices available upon request.