The need to file a surveillance or follow-up to reveal a hoax is part of the purpose of private investigation, which can be carried out legally through Grupo Arga, since we are an investigative agency with national scope as also based in the different cities of Spain.

The availability to o



ffer private investigation services makes it easy for you to expose your situation, before which there is no distinction because we receive and deal with cases of a family, personal, IT, business, commercial and other nature, to take care of any that is arising within these environments.

The set of specialists enabled in Grupo Arga allows you to start a private investigation in different areas, there are no limits or restrictions on the specialized responses that are structured to carry out the disclosure of a case effectively, because regarding the details of the case arises a personalized planning to find evidence.

From the first moment that we establish a direct analysis with the details of the case, it is possible to use effective response lines to cover your interests to promote the evidence you need, you can ensure that you discover the truth by counting on our expert offers by professionals who They are fully licensed.

If you find yourself managing too much stress in the face of doubts, you need concrete answers that private investigation offers you, the disclosure of this information is essential to make a decision against injustices, especially when having evidence that follows all legal estimates to fulfill any legal purpose.

Facing an adverse event can be complex, but it is much worse to continue suffering the consequences of deceit or fraud, that is why the presentation of evidence is essential from a personal aspect to know what you are facing, especially in personal contexts where the effects abound. negative emotional.

In a problem there are always many elements that you do not know, that is why the professional thinking of a professional detective is of great help to find the most effective me



thod of investigation, in addition, the objectivity that he possesses about the case does not interfere with the collection of evidence.

You cannot ignore the fact that to investigate a fact you must have a license, for this in Grupo Arga you will find fully accredited and prepared private investigators, the level of professional training stands out to work on the fields of this profession until obtaining the crucial information of the case.

It is necessary to present an initial consultation so that you recognize the empathic attention that we maintain from the first moment, this has to do with the formation of a warm environment so that you have the opportunity to report the type of situation that you are experiencing to start a process that may be at the level of the difficulties of the case.

Before going to the Grupo Arga professional services consultation, you should not overlook the fact that the anonymity of the case is maintained in any instance, it is a discreet and covert job no matter what it is, this is one of the the qualities we offer to search for information.

The exposure of the truth needs irrefutable support, that only happens with the evidence that emerges through meticulous and expert procedures, but it is essential that the details of the case be openly exposed to offer a prompt and complete solution of the events that are happening.

The sense of our specialists does not lose sight of confidentiality, as well as the main demands that the case has, in this way any shared problem can be confronted from the weight of the results



of the private investigation, where this type of element has full validity. legal.

The development of a case of private investigation brings with it the scope of convincing evidence, doubts are highlighted until verifying what is happening and at all times ensuring the veracity of the information found through the case, at the same time the specialized criterion of Specific areas such as computing allow us to offer different services.

In any type of investigation we establish the duty and transparency to comply with the agreed action plan, this is the professional modality to provide you with convincing evidence, with enough information to know what is really happening, this generates that you have complete certainty to make decisions and put an end to the harmful consequences of a suspicion.

The decisions you make are at your will through a solid final report, in which the official record of all the findings is produced, it is also an evidentiary element that can be used on the legal context, also in a matter of a short time. you will be counting on enough evidence on the exposed matter.

This kind of advantages offered by private investigation is worthless, it is really worth investing in this professional representation, especially in an action plan that generates the results you expect because the contract is established by considering your expectations, and from the Clarity of the scope of the private investigation for your case.

The pursuit of the facts by our experts causes the respective guidelines to be followed for private investigation services, where experience is a key resource for discerning information relevant to the case or for information that should be discarded because it is irrelevant, it is a key professional observation.

Grupo Arga’s representation is ideal to meet your needs, for each request we use solutions from the range of services we have, this in turn leads to obtaining valid enough results, this is decisive when pointing out an illegal act or affirming the occurrence of a deception that you must face.

In order for the responsibilities regarding the commission of a deception to come to light, it is vital that you trust our services, we have experts sufficiently prepared to provide answers in an effective period of time, in relation to your case we use the best techniques and procedures until we find the elements decisive evidence.


We have the legal authorization of the Ministry of the Interior and the National Police Corps with issue number 2464 as well as being active members of the Professional Association of Private Detectives of Spain with associate number 782 as well as a member of the International Federation of Private Detectives and other International Associations.


We have countless years of extensive experience in cases in all possible types of Private Investigation with magnificent and unbeatable results.

All our Private Detectives have innumerable years of experience in the Private Investigation sector, each of them having their corresponding licenses issued by the National Police Corps and the Ministry of the Interior.


One of our premises and features that characterize us is our Professionalism employed in each case verified by the use of the most modern technologies as well as by the work carried out by Private Detectives specialized in each specific case that we carry out.

Our detectives investigate with total discretion as well as with absolute professional secrecy, fully guaranteeing it, leaving this professional secrecy reflected in each contract we carry out.


In our investigations we use the most avant-garde and modern means and technologies in such a way that we always use the most advanced and specialized technical and human means possible.

Each one of our private detectives is specialized in specific areas of Private Investigation, offering in this way an optimal and unbeatable professional knowledge of each area or private sector.




All our collaborations with other Private Detective Offices both in Madrid, as in the rest of Spain and internationally guarantee unbeatable coverage and results.


All our investigations carried out in any field have full validity before the courts.


Our investigations are aimed at clients of all kinds. Personal and Family, Law Firms and Businesses of all kinds



At the Arga Detective Agency, we have a large portfolio of clients, both nationally in Spain and internationally. Our investigations are aimed at clients of all kinds such as Personal and Family, Law Firms, Companies of all kinds, and whether they are large or small companies, Mutual and insurance companies, Large Commercial Areas, Hotels, etc. located anywhere, whether Madrid, the rest of Spain or Internationals.

We offer our experience to carry out investigations in all kinds of areas included in the Private Investigation sector. We investigate cases related to:

  • Labor, Family, Professional and Commercial Research.
  • Investigations for infidelities. Doubtful behaviors, whether of children, family, etc.
  • Follow-ups, locations, scams, false pretenses and absenteeism.
  • Locations of all kinds, etc.




In person at our Central Offices located in Spain, at Street  Princesa, 9 1º left .28008 Madrid, in the heart of Madrid, by appointment


Through the email or through the phones 913 866 294 – 912 536 045 or 34 608 767 979 at any time and day of the week.


Ask us without obligation and we will give you an immediate quote, at no cost

We offer Deferred Payment facilities.

Possibility of payment by credit or debit card.


The Arga Detective Agency has been for many years,
Analysis of investigations as Detectives in the community of Madrid, nationally and internationally. Our experience and recognition endorse us as the most prestigious Detective Agency in Spain.

Solved Cases
Satisfied Customers
Official Accreditations
Interventions in Countries



The professional private detectives belonging to Grupo Arga carry out really detailed functions, to establish an exploration dynamic that yields results at the level of the problem raised, behind a situation there is a very viable proposal until the essential evidence for the case is obtained.

In the face of numerous and repeated doubts, the most efficient thing is to act, through our specialists you have the option of carrying out professional follow-ups, where objective criteria are of great help when revealing the fact that is manifesting, during this process we issue a discreet representation.

The answers that the private investigation yields are part of the private investigation service that we offer, however, when explaining the type of situation to investigate, you should not omit any details because they are key elements to promote the course of obtaining evidence that you open your eyes to the deception.

The direction that the case takes is professional due to the critical consideration of the type of problem to be investigated, by knowing what type of facts we are facing, it is much more feasible to work appropriately until the obstacles of the case are set aside, especially when dealing with issues sensitive where we maintain the necessary level of confidentiality.

The key objective is on the follow-up of the questions of the case, however, depending on the type of investigation to be carried out, the procedure changes and adjusts to process all the related indications, this causes the work to be much more outstanding and represents a great difference. when you’re looking for hard evidence.

To point out a fact or event it is an obligation to have evidence in your hands, through these tests a deception can be exposed, this is due to the planning that our experts design when you share the situation that you suffer, where the information that you share it becomes an advantage because it clarifies the direction the case is taking.

When it is necessary to establish an action plan to follow, the first thing that is taken into account is the type of concern you have, those are the reasons that serve as the impetus to develop a rigorous inquiry procedure, all this allows your doubts to be cleared by obtaining quality tests with full legal validity.

During the verification of the evidentiary elements, the veracity of the acts and events involved with the situation to be investigated is verified, it is a legal clarification because care of the chain of custody is developed, that is, through forensic evaluations that ratify the integrity of the information found.

Any concern warrants initiating a case of private investigation guided by professionals of this medium, we offer you evidence for the business, family, personal, computer areas, among others that keep up with the problems or deceptions that frequently occur today .

The request for any of our services is open to the complications of any case, because we offer specialized advice to specify the indications of the case until making decisions consistent with the situation and defining the type of processes to be executed, this is finally reflected in a final report. totally legit.

Satisfaction with a cause to investigate is a priority for our service areas, that is the motivation to design services that are empathetic and represent an objective response to any instance, especially with the weight of the experience of our private detectives that is widely useful to implement procedures according to the case.

Beyond the determination of the facts, it is also the outcome of a passion such as private investigation with the incorporation of forensic techniques, which are developed through the case to make the strategy proposed for the case a reality, that is to say they are skills willing to cover all the expectations of the case.

When you need a solution that matches the problem you are experiencing, you need to think of Grupo Arga because contracting our services enables a set of tools to monitor all the facts related to the case, we exhaust each procedure in the best way to study all the substantial elements of the situation.

To find out what your partner, a co-worker, or employee is doing, or any strange behavior of your electronic device and other kinds of incidents, you have the opportunity to consult our specialized offer for each sector, keeping the necessary confidentiality that each situation demands.

The opportunity that belongs to the realization of the private investigation lies on the confidence that you assign to represent yourself, covering even the smallest detail of the case, every request is taken seriously and responsibly so as not to overlook the demands of the situation and even increase the feasibility of resolution.

The development of the search for evidence is directed by authentic professionals, they have enough experience to face adverse situations, this is part of the reality that they frequently face, that is why it is an alternative within your reach that promotes tangible evidence, it is the opportunity to stop any fraud or deception.

The challenges of a case establish the alternatives that must be created to point out the essential information that proves the occurrence of a deception, this is a duty that becomes a reality when assuming the disclosure of a circumstance with immediacy and commitment to face it with the establishment of different types of research.

To confront a problem with many questions, you need trained agents for each field, with this level of knowledge it is possible to carry out investigations at the same level of the case, this is one of the distinctions that private investigation receives as part of the most viable solution before the remarkable experience carried out by our professional agents.

Every case is treated as a novel circumstance, this degree of curiosity allows to express a clear concentration on the facts to be investigated, for this reason it is feasible to customize our procedures and techniques in the face of the problems presented, for each subject we apply a really functional methodology that is decided in based on the details of the case.


The opinion of the experts that are part of Grupo Arga is reassuring, through the exposure of your case to our professionals, all this enables personalized management to structure the type of procedures compatible with the situation, this is the effective formula at the moment to resolve or clarify the situation.

All the attention of our private detectives is devoted to the minimum details of the case, because they are the key points when undertaking the requested private investigation, from the circumstances themselves it is possible to establish the type of procedures to apply to obtain truthful information.

For each type of eventuality, an expert emerges who can assume the responsibility of providing consistent evidence, it is a personalized point of view to deal with the evidence only with professionals who can devote all their understanding to the situation, so that fraud or deception is not followed. expanding over the compromised sector.

In the face of adverse emotional or financial consequences, the professional help of private investigation is completely adjusted to the coverage of your needs, especially when we have enough experience to act before the facts that you expose, you can believe in the convincing results that arise when completing the agreed action plan.

It is essential to respond definitively to these doubts or fears, we have experts who offer you empathy from the first moment, it is a habit to attend to any problem raised without judging so that from that confidence the most compatible solution can be built for the type of situation you experience .

The aspects of the case reflect the type of scenario that must be covered with our specialized techniques, the professional contribution of a licensed private detective is significant as they are enabled to implement surveillance and monitoring following each legal duty, in this way there will be no discussion about the evidence value.

The specialty at the time of collecting evidence defines the services that we offer in Grupo Arga, leaving in charge of our professional skills the most effective resolution for the type of case that you raise, thanks to the fact that the critical vision that unfolds on the details of the case ends being decisive.

The tasks proposed from the specialized areas that are in our private investigation agency, follow the course of activities that promote the establishment of the sources of information related to the case, until avoiding any type of alteration on the evidence so that they are admitted without mishaps.

The treatment that the facts deserve is strictly professional to confirm what is happening, all assumptions about a situation are highly useful to create a resolution path that provides the results you expect, thanks to the care and detail that is imposed on the case. to reveal what lies behind the questions raised.

The implementation of techniques has to do with the plan associated with the case, where each area contributes the best of each one to detect the information relevant to the situation, this defines the specialized action carried out by private investigation agents who give their best of themselves to obtain the evidence.

In cases of deception, the intervention of our professional private detectives acquires greater meaning, due to the different tools available within this field, to perfect the inquiries that require implementing follow-ups or another type of specialized practice that adjusts to the needs of the case.

The scope of the tests puts the professional criteria of our experts to the test, at Grupo Arga we exhaust all the instances until we reveal the answers to your problems, before each request we intend to design a resolution according to the challenges of the case, all requirements are analyzed in depth .

The representation that you receive through our private investigation agency, allows you to have at your disposal the development of a professional and serious work, this type of actions are structured in the offer that we maintain, in addition to practicing as a private detective is a passion that you fully benefit.

Every investigative case focuses on exposing facts that you constantly want to ignore or that are not true, but when the evidence speaks for itself, it becomes elements that you can no longer ignore, but take into account the evidence until it transcends into an action. legal.

Professional specialization is a support to have absolutely valid evidence, in personal, family, commercial, business and computer matters, all this demonstrates the abundant capacity that you find through the hiring of our professional services, with expert actions on each case.

Having the advice of private investigation agents with extensive experience is an advantage at your disposal from the first consultation, that is the opportunity to present your case until undertaking a scientific and technical exploration of the details of the case, by relating your doubts with facts it is feasible to form a private investigation.

The processes pertaining to the case are effective in gathering decisive information, any subject or environment linked to the situation will be analyzed professionally, certainty is maintained about a confidential job that does not cause you any type of risk when discovered, but rather It is a set of covert actions.

Knowing what is happening and having elements through which to prove it, is part of the benefits that private investigation exposes, this kind of investigation focuses on the details at all times, because the purpose is not to miss the tracks of resolution present in the problematic raised.

The feature that defines Grupo Arga lies in the attention dedicated to your situation, for each occasion we have specialized professionals who combat that phase of denial that every user presents before deciding to start private investigation services, we assume most of the points of view of the case so as not to omit the needs.

It is much more harmful to continue with this permanent doubt about what is happening, especially when we design alternatives based on the experience we develop in the areas we work in, this is key for you to feel confident when narrating the situation that affects you, to relate the situation with the available procedures.






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