How an international search for a person is organised

Legal purpose and countries of search

The first question of an international search is not "where to look" but "why" and "on what grounds". The answer determines everything else: the set of permissible sources, the willingness of local specialists to take part, the scope of what can be passed to the client, and even the very possibility of taking on the task.

It is useful to distinguish at once between three different things that merge into one in everyday conversation. The lawfulness of the task itself: an inheritance matter, enforcement under a court judgment, restoring a family connection - these are one set of grounds; the wish to find out where a person who has stopped communicating now lives is another. The lawfulness of access to a particular source: even with an impeccable purpose, some registers are closed or available only to certain persons. The lawfulness of transferring personal data between countries: information lawfully obtained in one jurisdiction cannot always be sent to another.

These three levels are independent. One may have an indisputable purpose and no access to the source. One may have access and no right to a cross-border transfer. Confusing these levels is the main reason why promises to "find them in any country" do not withstand scrutiny.

Nor is there a single legal framework. In the European Union the processing of personal data is governed by the general regulation, which requires grounds, a purpose and minimisation. Outside the EU the general reference point is set by Council of Europe Convention 108 and its updated version 108+ - an international treaty on the protection of personal data that is also open to countries outside Europe. But the specific procedure for access to registers and to residence data is established by the national law of each country, and it differs considerably.

The practical outcome of this chapter: before work begins, the purpose, the grounds, the list of countries and what is known in advance to be unavailable in each of them are recorded. This document determines both the route and the form of the result.

Граница вывода. A lawful purpose does not open access to closed sources. Three levels of legality - of the task, of access and of data transfer - are assessed separately, and any one of them may limit the work regardless of the others.

Normalisation of the name and identifiers

In international searches, most failures occur not because sources are closed, but because the search was directed at the wrong person or at the wrong form of the name. Normalisation is the dullest stage and the most productive one.

Name. When moving between alphabets, the same name produces several spellings, and they are not interchangeable: in one country's register a person is recorded under one transliteration system, in another country's documents under a different one. Add diacritics, which databases sometimes retain and sometimes lose, the order of given name and surname, a patronymic or middle name that exists in some countries and not in others, the feminine form of the surname in Slavic languages, and compound surnames written as one word or separately.

Dates and places. A date of birth recorded in different formats easily turns into a different date when transferred between systems. A place of birth may have changed its name or its state affiliation - a common situation in Eastern Europe, and a search under the current name does not find records held under the historical one.

Identifiers. Reliable identification rests not on a name but on a combination: date of birth, place of birth, known past addresses, occupation, family connections, document numbers where these are lawfully available. The rule is simple: one match on a name is a hypothesis, two independent features are a reasoned assumption, three or more are a working identification that still has to be confirmed.

Practical consequence for the client: the fuller the initial data, the shorter and cheaper the search. The absence of a date of birth where the surname is common can multiply the volume of work - not because the search is difficult, but because namesakes have to be eliminated.

Граница вывода. A match on a name is not an identification. Until at least two independent features are confirmed, the person found remains a candidate rather than an established individual - and it is in that status that he is reported to the client.

Public registers and professional traces

The lawful layer of an international search consists of sources that are open or made available under an established procedure. Their composition differs between countries to such a degree that no universal checklist exists - there is only a principle: start with what is disclosed officially.

Corporate layer. Directorships and management positions are public in most jurisdictions: this gives the country of current activity, the address stated for business purposes, and connections with other people. For a person running a business, this is often the quickest route.

Professional layer. Licences and membership of professional bodies - doctors, lawyers, auditors, engineers - are held in registers, and in many countries these are open. Publications, speaking engagements and participation in industry events give not an address but a country and a field of employment.

Court and property layer. Court records, land registers, insolvency registers - openness varies widely: in some places access is free, in others it requires a reasoned request, in others it is available only to parties to the proceedings. This is a case where what is possible in one country does not mean it is possible in the next.

Public trace. Obituaries and archives of local publications, publications of expatriate associations, sporting and amateur communities, genealogical archives. In a search for a relative, such sources often prove more productive than corporate ones.

An important limitation of this layer: almost all of these sources speak of the past. A register entry records the position as at the date of filing, a publication as at the date of issue. An address found that is ten years old is not a place of residence but a point from which further verification is built.

Граница вывода. Open sources give points in the past. None of them confirms that the person is there now - whether the information is current is checked separately and by other methods.

Migration and telecom data as closed categories

This is the shortest chapter in substance and the most important. There are categories of data that are not used in a search - not because they are difficult to obtain, but because a private company has no lawful access to them.

Migration and border information - records of border crossings, residence status, applications filed. Residential registration data where the register is closed to third parties. Telecom data: geolocation, call detail records, linking a number to a subscriber. Banking information. Medical data. Internal law enforcement databases.

All of this is either available only to authorised authorities or provided on a court request within a specific proceeding. A company offering to "pull" such information either does not intend to obtain it, or obtains it unlawfully - and the risk then passes to the client: data obtained in this way cannot be used in court or in negotiations, and its transfer may itself be a separate offence.

There is a lawful route around this, but it goes not around the law but through it. If the task genuinely requires such information, the correct route is procedural: a court request through counsel, a formal application through legal assistance channels and, for family tracing in situations of armed conflict, migration or natural disaster, specialised humanitarian mechanisms. The International Committee of the Red Cross and national societies operate a restoring family links service working under its own data protection code: information there is collected to reunite a family, not to be passed to third parties.

The practical conclusion for the client: if a provider promises migration or telecom data, this is not a sign of its capabilities. It is a sign that it should not be engaged.

Граница вывода. Declining closed categories narrows the set of tools and sometimes makes the task impossible within the stated timeframe. This is a deliberate limitation: a result obtained unlawfully does not protect the client's interests but creates a new risk for the client.

Coordination of local specialists

An international search almost always consists of several national procedures. The reason is not language but the fact that access to some sources is available only to a person located in the jurisdiction and holding the relevant status: an advocate, a licensed investigator, a notary, an authorised representative.

Hence the practical model: the coordinator runs the matter as a whole, while local specialists carry out the country-level parts within the limits of their own law. Coordination here is not the forwarding of requests but the bringing together of results into a single picture, in which it is clear for each country what was available, what was requested and what was obtained.

Requirements for the local participant are set out in advance: legal status and the right to carry out such work in that country, the absence of a conflict of interest in relation to the person sought and to the client, willingness to document the source and date of each item of information, agreement to work within the stated purpose and not to go beyond it.

A separate question is the transfer of data between participants. Personal data lawfully obtained in one country cannot always be transferred freely to another: the rules on cross-border transfers depend on the jurisdictions involved and on whether the level of protection in the receiving country is recognised as adequate. This is resolved before work begins, not after the result is obtained, because otherwise what has been obtained cannot be used.

What this gives the client in practical terms: a clear structure of responsibility and no surprises. If a source is closed in one of the countries, this becomes known at the planning stage, not at the end of the timeframe.

Граница вывода. The presence of a local specialist does not extend the list of lawfully available sources. It makes available what is open to a person with that status - and no more than that.

Verification that the location is current

A located point is a hypothesis until its currency has been verified. The distinction matters: "the register for last year gives this address" and "the person is there now" are different statements, and the second requires separate work.

What lawfully confirms currency. Recent entries in open sources: an updated corporate position, a valid professional licence, recent public activity. Consistency between several independent sources on close dates. Confirmation from the person themselves - the most reliable option, which becomes available only after contact has been established.

What does not confirm currency, although it looks convincing. A single undated entry. Data from an aggregator reselling an extract of unknown currency. A match between the address and that of a relative - the person may be registered there and live in another country. Social media activity with no link to a location.

A separate category is assumptions that cannot be verified lawfully. Watching an address, questioning neighbours under a false pretext, calling while presenting oneself as another person - these are not methods of professional work. The first intrudes into private life, the second and third are misrepresentation, and both put at risk the client and the result alike.

The outcome of this chapter is the wording of a status. Every location found is assigned a level: confirmed by independent sources as at a specific date, probable with the grounds stated, out of date, not confirmed. The client receives not a single line but a map of probabilities with dates - and that is more honest than any confident answer.

Граница вывода. Currency is confirmed only by lawful methods. Surveillance of a residence, questioning those around a person under a false pretext and similar techniques are not used, even where they would produce a faster answer.

Safe delivery of a message instead of disclosing an address

A key feature of professional work to locate people: finding a person and disclosing their address are different actions, and the second is far from always lawful.

The person found has rights of their own: to privacy, to the protection of personal data, and not to enter into contact. They are not a party to the agreement between the client and the provider and are under no obligation to be found. For that reason, in a significant proportion of matters the correct result is not coordinates but confirmation that the person has been identified, is alive and is in a particular country, together with the delivery of a message from the client.

How this works. An intermediary contacts the person, identifies themselves truthfully, states that there is an approach from a named person on a stated matter, and asks whether they are willing to make contact. The person may agree, refuse or ask for time. A refusal is also a result of the work, and it is reported to the client as a result, not as a failure.

This procedure matters particularly in sensitive situations. Family conflicts, domestic violence, contact broken off at the person's own initiative - in such cases disclosure of an address may create a direct threat to their safety. Here the professional approach coincides with the humanitarian one: in the practice of restoring family connections, contact always goes through an intermediary and with the consent of both sides, and information is not passed to third parties without the person's consent.

The client should understand this before work begins. If the task is framed as "find out the exact address", the provider is obliged to explain in what circumstances an address may be provided and in what circumstances only contact through an intermediary is possible. Otherwise expectations will diverge from the result at the final step.

Граница вывода. A person's refusal of contact ends the work in that direction. Circumventing the refusal through other individuals, repeat approaches under a different pretext, or passing on their location contrary to their wishes are not used.

Documenting methods and limitations

Search material is worth exactly as much as the clarity of its origin. This applies particularly to international matters, where the result is assembled from several country components of differing completeness.

A log of sources. For each material item of information: where it was obtained, in which country, by what method, as at what date, and by which of the participants. Six months later this is the only way to understand whether a conclusion is out of date and whether it can be relied on in a legal procedure.

Separation of levels. A confirmed fact - there is an official record or document. A conclusion - it follows from the body of information and is marked as a conclusion. A hypothesis - a direction for further checking. A gap - a direction closed in that jurisdiction, with the reason stated.

A list of limitations by country. This is part of the result, not a footnote in small print. If in one of the countries on the route the register is closed, the client must see this plainly: they then understand why the picture is incomplete and what can be done next - for example, applying through procedural channels via a lawyer.

And a description of the methods. Not because formality requires it, but because the client may need to show the material to a third party - a court, a bank, the other side in negotiations. A result whose origin cannot be explained is of no use in that situation.

Граница вывода. Documentation does not turn a probabilistic conclusion into a fact. It makes the boundary between them visible and allows the client to judge for themselves how far the material can be relied on.

What a professional process looks like

The route of an international search is a sequence of gates, any of which may not be passed. That is why it is designed in advance rather than as the work proceeds.

The first step is the purpose and the basis: why the person is needed, what right stands behind the request, what form of result is permissible. The second is normalising the source data and compiling a list of identifiers.

The third is a map of jurisdictions: where the person is presumed to be, what is open in each country, where a local participant will be required, where data cannot be transferred.

The fourth is work with open and official sources in each country, with dates recorded. The fifth is coordination of local specialists where this is necessary.

The sixth is checking currency and assigning a status to each point found. The seventh is establishing contact through an intermediary, if the task requires it. The eighth is assembling the material with a log of sources, limitations and a description of methods.

Граница вывода. Completing all the steps does not guarantee that the person will be found. Some routes end in a reasoned conclusion that the task cannot be solved by available lawful means - and this is also a result, one that saves the client time and money.

What the client receives as a result

The form of the result depends on the task and on what may lawfully be handed over. But the structure of the material is stable.

First - the summary: whether the person has been located, in which country, with what degree of confirmation and as at what date.

Second - the identification part: on what features identity has been confirmed and which namesakes have been excluded.

Third - the geographical part: the points found with dates and statuses, distinguishing the address of registration from actual presence.

Fourth - the outcome of contact, if the task provides for it: the fact that the message was passed on and the person's reaction.

Fifth - the service part: a log of sources by country, a list of closed lines of enquiry, a description of methods and recommendations on further steps, including procedural ones, where they are appropriate.

Граница вывода. The material describes the position as at the date of the check. It is not evidence in the procedural sense and does not guarantee that the person will remain at the established location.

Limitations and the lawfulness of methods

The search is conducted using open and official sources, through local specialists within the limits of their legal status, and using information lawfully provided by the client. Processing personal data requires a basis and proportionality to the purpose; separate rules apply to cross-border transfer.

What the search does not do. It does not obtain migration, telecom, banking or medical data. It does not use official databases. It does not conduct surveillance of the person or their home. It does not mislead people under another name or a fictitious pretext. It does not pass on a person's location against their will where there is no legal basis for doing so.

What the search does not guarantee. It does not guarantee that the person will be found: the person may be in a country with closed sources or may deliberately avoid leaving a public trace. It does not guarantee consent to contact. And it does not replace procedural mechanisms - a court request, international legal assistance, an official search - where the situation requires precisely those.

Separately on humanitarian situations: if the matter concerns the search for a relative lost as a result of armed conflict, migration or disaster, it is reasonable to approach the Red Cross restoring family links service in parallel - it has mechanisms and access that a private company does not have.

Граница вывода. The permissibility of specific actions in a specific country is confirmed by a local lawyer. General data protection principles do not replace national regulation of access to information about individuals.

What to prepare for the initial assessment

• Full name in all known spellings, including maiden name and previous versions.
• Date of birth, or at least the year, and place of birth - as it was named at the time.
• Last known place of residence and the approximate year when that information was current.
• The purpose of the enquiry and its basis: inheritance, court proceedings, family connection, business matter.
• The countries where the person may be located and what leads you to think so.
• What has already been done: enquiries made, attempts to make contact, responses from official bodies.

Copies of documents and personal data of third parties are not required at the initial assessment stage. The items listed above are enough to answer which route is realistic, what is available in those countries and in what form the result can be delivered.

Frequently asked questions

• 01

  Can a person be found knowing only a first name and surname?

  Sometimes yes, but the likelihood depends heavily on how common the name is and whether the person has a public professional trace. With a common surname and no date of birth or place, most of the work goes into excluding namesakes, and the volume increases several times over. Any additional indicators - year of birth, profession, former city, names of relatives - reduce time and cost more than any search tool.

• 02

  Will I be given the exact address of the person found?

• 03

  Can migration records or mobile phone geolocation be used?

• 04

  How long does an international search take?

• 05

  What if the person does not want to make contact?

• 06

  How does a search differ from a search conducted by state bodies?

• 07

  What if the person was lost because of a conflict or forced relocation?

• 08

  How current will the result be in six months?

What follows from this

An international search is not one large enquiry but a chain of country-level procedures, each with its own legal gate. They can only be passed one at a time, and any of them may turn out to be closed - this is a normal part of the work, not a sign of a weak contractor.

Two practical conclusions follow. The completeness of the initial data affects the result more than the set of tools: a year of birth and a former city reduce the work more than access to yet another aggregator. And the form of the result is agreed in advance: confirming that the person has been located and passing on a message is often the correct outcome, not half the work.

If the task is already defined and there is a deadline, it makes sense to begin with an initial assessment: which route is realistic, what is open in those countries and in what form the result can be delivered.

Sources

• EUR-Lex - General Data Protection Regulation (GDPR), Regulation (EU) 2016/679проверено 6 августа 2026

  Grounds for processing, minimisation principles and rules on data transfer

• EDPB - Guidelines 1/2024 on processing of personal data based on legitimate interestпроверено 6 августа 2026

  How to assess the necessity of processing and the balance with human rights

• Council of Europe - Convention 108 and Convention 108+проверено 6 августа 2026

  International treaty on the protection of personal data outside the EU

• ICRC - Restoring Family Linksпроверено 6 августа 2026

  Humanitarian mechanism for tracing people and restoring family links

• ICRC - Code of Conduct on Data Protection for the Restoring Family Links serviceпроверено 6 августа 2026

  Rules on handling data when tracing relatives

The links lead to official materials. The procedure for accessing information about individuals is set by the national law of each country: applicability is checked separately for each jurisdiction on the route.

Связанные материалы

• 01 /ServiceLocating a person→
• 02 /CaseInternational search for a person→
• 03 /ArticleWhen searching for a person is lawful and when it is not→
• 04 /ArticleWhat information is needed to begin a search for a person→
• 05 /ArticleWhat a check on an individual shows before entering a partnership→