Private detectives 24h

| +34 608 76 79 79 | arga@argadetectives.com

Private detectives 24h

| +34 608 76 79 79 | arga@argadetectives.com

Our virtue is to get what our customers need

Private Investigator in Madrid, Spain

Private Detective Madrid VIP

Private detectives in Madrid at the forefront

At Arga Private Detectives, we are experts in solving cases. We are motivated by your success and committed to meet your goals. In our detective office, we understand our clients, we put ourselves in their shoes and we echo their needs through a professional and efficient private investigation. Our goal is to obtain irrefutable proof of the truth. Thanks to our philosophy of improvement and understanding, we have positioned ourselves as the best private investigators in Madrid and throughout Spain. With a national and international presence, we stand out for our very high success rate, almost 100%. Trust us and get results. Request a quote now. Translated with DeepL.com (free version)

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Hire the best private investigators in Madrid totally discreet and efficient

Detectives Grupo Arga is a company of private investigators established in Spain that offers services of personal and family investigation, business, IT and technology as well as specialized services and services for lawyers.

We are a fully accredited private detective agency dedicated to providing concrete and effective private investigation services. We act in situations with all levels of seriousness, from labor or matrimonial matters, electronic sweeps, inheritance, internal theft, forgery, hacker investigation, to locating people and fraud, locating people, medical leave, recovery of deleted whatsapp, among others.

We not only work in Spain, but also internationally.

In Grupo Arga Private Detectives we are committed to achieve the proposed objectives to solve all your problems, and thus, to be able to take action as soon as possible. Our greatest achievement is to get what our clients need. To do this, we draw up a strategic plan, ensuring maximum confidentiality and professionalism in a framework of full legality.

Experienced Private Detectives Madrid

What defines us as the best private detective agency is our long professional trajectory of 15 years of experience, in addition to our achievements that translate into 6,000 solved cases. That is, a 90% success rate in all cases worked.

The Arga Detectives team is made up of private detectives with a high level of professionalism, discretion and speed. We understand that those who come to us are going through a complicated situation and, therefore, must be treated with empathy, but without losing the objectivity of the matter.

Our passion for uncovering the truth and our dedication to solving cases sets us apart, whether it is to uncover the truth behind a personal or business matter, the Arga Detectives team is there to provide clear answers and effective solutions.

When it comes to our work, we combine the cunning of a detective with the most advanced investigation tools, taking advantage of the most innovative technological resources. We pride ourselves in being able to solve any issue that prevents your life from going on as usual, always maintaining the confidentiality and respect that your privacy deserves.

That is why there are three key points that define us and differentiate us from other private detective agencies:


The best private investigation can only be carried out with the utmost professional secrecy and diligence.


Our private investigators are extensively trained in all areas of private investigation and teamwork.

Technical resources

To achieve our objectives we use state-of-the-art technology applied to the field of private investigation.

Specialized private detectives

Private detective services in private investigation


Any type of company, from the smallest to the largest, is a juicy target for any type of vandalism or illegal act. Our team of private detectives are highly qualified to solve any issue that intrigues your company. We act in the following areas:

Investigation of sick leave.
Corporate investigations
Solvency Reports
Patent and Trademark Research
Mystery shopping
Hotel Security
Economic reports
Labor detectives
Non-uniformed surveillance
Follow-up to Commercials.
Information Leakage
Internal thefts

More information


Private investigations related to a personal or family environment are much more sensitive and we approach them in a more special way. When dealing with close people, whether family members or a group of friends, this type of situation carries an emotional connotation that must be approached with sensitivity. We conduct investigations for:

Modification of regulatory agreement
Demonstration of coexistence
Paternity Tests.
Control of Minors.
Scam investigation
DNA analysis
Addiction Research
Cults and fanaticism
Doubts about domestic service
Fulfillment of housing orders

More information


Advances in information and technology have offered endless opportunities to this contemporary world, but it has brought with it other types of actions that can be malicious and illegal. Arga Detectives is in charge of solving the following technological problems:

Electronic sweeps.
Analysis of Mobile Phones.
WhatsApp Research
Recovery of deleted messages
Social Network Research.
Computer expertise
Computer audits
Authenticity Certification.
Hacker research
Computer analysis of computers
Spyware detection
Installation of Hidden Cameras.
Forensic Image Analysis.

More information


We offer certain specialized services to solve special situations that require highly qualified private detectives:

Location of Persons.
Old rental lease
Electronic sweeps
Handwriting appraisals
Fraud investigation
Conduct reports
Surveillance and monitoring
Camera installation
Hidden cameras
Non-uniformed surveillance
Cell phone analysis
Mutual and insurance companies
Whatsapp recovery
Urban Leases.
Conduct Reports.

More information


Finding a Detective who specializes in providing evidence to trusted lawyers and who will be effective when facing trial can be a difficult task.

In Grupo Arga Private Detectives, we offer the best service of assistance to lawyers, with a high professional capacity, experts in providing judicial evidence and the best advice in the judicial sector.

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Our quality private investigation services reach beyond the Spanish territory, so if you have any problem outside our borders, do not hesitate to count on Arga Detectives, professionals inside and outside Spain. We operate internationally.

No matter what kind of problem or compromising situation you are in, at Arga Detectives we have a group of professional private investigators trained to solve with the utmost confidentiality and discretion any private matter. Do not hesitate to contact us.

We offer services in most countries, such as USA, Portugal, Andorra, France, Germany, Great Britain, Canada, etc.

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Private investigators in Madrid 100% secure

Hire a private detective in Madrid and solve your problem.

Due to our extensive work experience, we have managed to reach places inaccessible to others. With more than 6,000 cases handled with total professionalism, we have established ourselves as the leading private detective agency specializing in investigation.

These achievements are obtained thanks to our promise to maintain a high level of confidentiality and employ cutting-edge technologies, thus ensuring maximum accuracy and excellence. The staff of Detectives Privados Grupo Arga is highly trained and has a solid academic and technical background, which makes them outstanding experts in the field of private investigation.

Our services cover the entire Spanish territory and are also available internationally. We offer our services to large companies, individuals and even lawyers. If you find yourself in a situation that you do not know how to solve or how to deal with, do not hesitate to talk to us and request a free quote. We will prepare an action plan with guaranteed results.

Private detectives Madrid - Private Investigator Madrid Arga Group

Private detective agency Madrid Methodological

Our successful results are due to our team of experts, specialized in various services within the field of private investigation. We use tools adapted to the most advanced technology, which allows us to obtain accurate and true-to-life results. We focus our expert work towards the courts to increase the chances of success in any litigation.

When it comes to uncovering the truth, we use a wide range of camera and micro camera equipment, as well as eavesdropping detection devices and other technologies. In addition, we provide a detailed report including a complete sequence of photographs and a video report to ensure a clear and transparent view, avoiding any misunderstandings.

Finally, we have our own video and image analysis laboratory, which ensures maximum efficiency in the preparation of our reports. This allows us to present evidence eloquently, professionally and legally in court.


Find our Private Detectives anywhere in Spain.

Map of Private Detectives in Spain - Private Investigator Madrid Grupo Arga






Castilla la Mancha

Castilla y León


Comunidad de Madrid

Comunidad Valenciana



Islas Baleares


La Rioja




País Vasco

Private Detective Madrid Grupo Arga on Television, Radio and Press

Arga Private Detectives have gained visibility in various media, including press, radio and television. Our agency, specialized in private investigations, has actively participated in debates and current affairs programs. One of our private detectives has addressed issues such as fraudulent sick leave and the crucial role of a private detective in both private and corporate matters. If you would like to learn more about our agency and the services we offer, please do not hesitate to contact us.

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Arga Detectives in


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Arga Detectives in


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Arga Detectives in


Positive reviews of private detectives Madrid Grupo Arga

Discover the excellent opinions of our satisfied customers with the services of our private detective agency in Madrid. At Grupo Arga, we carry out private investigations with the highest guarantees of success and professionalism. If you are looking for a private investigator, look no further: Grupo Arga is your best choice. Our commitment is to offer a quality investigation service that meets your expectations and exceeds your needs.

Opinions Private Detectives Madrid - Private Investigator Madrid Arga Group

Frequently Asked Questions about Private Detective Madrid

In today’s world, security and privacy are important issues for many individuals and businesses. Private detectives have become a valuable tool for those seeking to protect their interests or uncover important information. In this article, we will answer the most frequently asked questions about private detectives: what they do, how they are hired, how much they cost, how long an investigation takes, what kind of information they can obtain, whether they have access to confidential information, and what happens after an investigation is completed. If you are considering hiring a private detective or are simply curious about their work, this article will provide you with valuable information.

How long does a private detective investigation take?

The duration of a private detective investigation varies depending on the case and the complexity of the case. There is no set time to complete an investigation, as each situation is unique and requires different investigative techniques. Some simple cases can be solved in a few hours or days, while others may take weeks or even months. Private detectives must follow certain legal protocols and procedures to ensure that the investigation is conducted in an ethical and professional manner. This may include gathering evidence, conducting interviews and analyzing information. In addition, private detectives may also face unexpected challenges during the investigation, such as changes in the dynamics of the case or the emergence of new leads or information. It is important to keep in mind that while time is an important factor in any investigation, the quality and accuracy of the evidence collected is most important. Private detectives must work diligently to ensure that all information gathered is accurate and useful to their clients. In general, it is best to talk to your private detective about the estimated timeline for your particular case and be prepared to adjust the timeline as needed.

How much does it cost to hire a private detective?

The cost of hiring a private detective can vary depending on several factors. Some of these factors include the geographic location, the complexity of the case, the experience and reputation of the detective, as well as the time required to complete the investigation. Private detectives generally charge by the hour or by the project. Fees can range from $50 to $200 per hour, but it is important to keep in mind that these prices are only an estimate and may vary. In addition to fees for professional services, you may be required to pay for additional expenses such as travel, lodging, investigative costs and information acquisition. It is advisable to discuss all these details with the private detective before hiring his services to avoid surprises as to the final cost. It is also important to remember that the price does not always reflect the quality of the service. It is essential to carefully research and select the private detective, taking into account his or her experience, skills and references. Hiring a private detective can be a valuable investment to solve personal or professional problems, but it is essential to establish a clear and realistic budget before starting any investigation.


How to hire a private detective?

Hiring a private detective can be a complicated task, but it is important to keep in mind that it is a legal and regulated process. The first thing to do is to look for private detective agencies that are properly licensed and experienced in the required area of investigation. Once the agency is selected, a meeting should be requested to discuss the details of the case and obtain a detailed quotation. It is important to establish clear and honest communication with the private detective during this meeting, as this will help set realistic expectations and ensure the confidentiality of the case. In some cases, personal information or documentation relevant to the investigation may need to be provided, so it is important to check the agency’s privacy and data protection policies before engaging their services. In addition, a detailed contract should be agreed upon that specifies the private detective’s responsibilities, timelines and the total cost of the service. It is advisable to carefully review the contract before signing it to avoid misunderstandings or unpleasant surprises. In general, hiring a private detective can be a valuable investment to solve legal or personal problems, as long as a reliable agency is selected and proper legal procedures are followed.

What do private detectives do?

Private detectives are highly trained professionals who are dedicated to investigating private and commercial matters. These professionals perform a wide variety of tasks, including gathering evidence for court cases, searching for missing persons, investigating marital infidelity, and conducting background checks. In addition, they may also conduct investigations for companies seeking information on potential business partners or employees. Private detectives use a variety of techniques to obtain information, such as observation, online research and interviewing witnesses. They may also use specialized technology, such as hidden cameras and listening devices. However, it is important to keep in mind that private detectives must comply with local laws and regulations when conducting their investigations. In addition, they must maintain the confidentiality of their work and not disclose information to third parties without the consent of their clients. In summary, private detectives are experts in obtaining information and evidence to help solve private and commercial cases, using a wide variety of specialized techniques and tools while complying with applicable laws and regulations.

What kind of information can a private detective obtain?

A private detective has the ability to obtain a wide variety of information during an investigation. Their main objective is to gather evidence and proof relevant to the case they are investigating. This may include obtaining personal information such as criminal records, financial records, phone call and text message records, employment and educational history, among others. They may also seek information about a person’s location and movements, using surveillance and tracking techniques.

In addition, private detectives can conduct online investigations to obtain information on social networks, websites and public databases. They can verify a person’s identity, search property records, obtain information about personal or professional relationships, and even uncover possible illegal activities or suspicious behavior.

It is important to note that private investigators must operate within legal and ethical boundaries. They cannot access confidential information protected by privacy laws without proper consent or a court order. However, they are experienced in finding legitimate sources of information and using legal methods to gather valid evidence.

In short, private detectives have the ability to obtain a wide range of information during an investigation. Their experience and skills enable them to search for and collect relevant evidence to effectively solve cases. However, it is essential that they operate within the legal and ethical framework to ensure the validity and legality of the evidence obtained.

Do private detectives have access to confidential information?

Private detectives have access to certain confidential information that enables them to conduct their investigations effectively and lawfully. However, this access is subject to strict legal regulations and limitations. Private detectives cannot illegally gain access to personal or confidential information, such as bank records, medical records or private conversations. Their access to confidential information is limited to public and legal sources, such as public records, commercial databases and social networks. In addition, they must obtain consent from the parties involved before collecting any personal or confidential information. Private detectives must also follow proper procedures to ensure the privacy and protection of information collected during an investigation. In summary, although private detectives may have access to certain confidential information in the course of their investigations, their access is subject to strict legal regulations and they may only obtain information from public and legal sources.

What happens after a private detective investigation is completed?

Once a private detective’s investigation is completed, there are several possible scenarios that can occur. First, the private detective will submit a detailed report to the client who hired his services. This report will include all evidence gathered during the investigation, as well as any relevant information and conclusions obtained. The report will be delivered in person or by email, depending on the client’s preferences.

After receiving the report, the client can decide what to do with the information provided. Some people may use the results of the investigation to support a legal claim or to make important decisions in their personal or professional lives. Others may choose to keep the information confidential and take no immediate action.

In some cases, the client may request further investigation or additional follow-up if he/she believes there are outstanding issues or if he/she wishes to obtain more evidence on certain matters. In such situations, the private detective will work closely with the client to develop a plan of action and conduct the necessary additional investigations.

It is important to note that, once the investigation is completed, the private detective maintains the confidentiality of all information obtained during the process. This ensures the privacy and protection of the client, as well as the integrity of the data collected. In general, the main objective after completing an investigation is to satisfy the client’s needs and expectations, providing them with the necessary information to make informed decisions and protect their interests.

In short, private detectives are professionals who can help solve many types of cases and situations. From infidelity investigations to corporate fraud cases, private detectives have the skills and tools necessary to obtain confidential information and conduct thorough investigations. However, it is important to keep in mind that the cost and duration of an investigation can vary significantly depending on the case in question. In addition, private detectives must operate within the legal and ethical framework to ensure the validity of their work. As a society, it is interesting to reflect on the need to hire a private detective to solve personal or business problems. Is this a sustainable long-term solution? Should we look for other ways to address these problems? The answer to these questions depends largely on the context and individual circumstances, but it is important to consider them before making a decision on whether or not to hire a private detective.

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