Filing a complaint with the National Bureau of Investigation is usually a request for investigative assistance. It allows the NBI to interview witnesses, examine records, trace digital or financial evidence, conduct forensic work, and prepare a case for possible prosecution. It does not automatically result in an arrest, a criminal charge in court, or a finding that the person complained of is guilty.

The strongest NBI complaints are organized before they are filed. You should be ready to explain what happened in chronological order, identify the people involved, show where the incident occurred, and present documents or digital evidence that can be independently verified.

What Happens When You File a Complaint With the NBI?

The NBI is a national investigative agency under the Department of Justice. Under the NBI Reorganization and Modernization Act, Republic Act No. 10867, it may investigate crimes, gather and preserve evidence, operate forensic facilities, conduct intelligence work, and issue subpoenas through authorized senior officials for a person’s appearance or the production of documents. (Supreme Court E-Library)

An NBI complaint may lead to:

An initial interview and assessment.
Assignment of an NBI agent or specialized division.
Execution of sworn statements by the complainant and witnesses.
Requests for documents, subscriber records, bank records, CCTV footage, or other evidence, subject to applicable legal requirements.
Digital, document, medical, financial, or other forensic examination.
Surveillance or an operation when legally justified.
Preparation of an investigation report.
Filing or endorsement of a criminal complaint to the appropriate prosecution office.

The NBI investigates. The prosecutor determines whether the evidence meets the standard for filing charges, and the court decides guilt or innocence. Under the current DOJ prosecution rules, the evidence presented to the prosecutor must establish prima facie evidence with reasonable certainty of conviction, a higher case-build-up standard than merely presenting an accusation. (Global Litigation News)

When the NBI Is the Right Agency

The NBI is particularly useful when a case involves complex evidence, multiple locations, organized activity, public officials, financial records, digital forensics, or suspects who cannot easily be identified through ordinary local investigation.

Republic Act No. 10867 gives the NBI primary investigative jurisdiction over specified matters, including:

Cybercrime under Republic Act No. 10175
Certain human-trafficking cases involving airports
Transnational crimes
Violations of the Anti-Dummy Law
Certain extrajudicial killings
Killings of judges and justices
Commercial, economic, financial, and white-collar crimes
Offenses involving electronic commerce, access devices, securities, intellectual property, and certain large-scale forms of estafa

For crimes primarily assigned to the Philippine National Police or another agency, the NBI may collaborate with or assist that agency. (Supreme Court E-Library)

NBI, police, prosecutor, or barangay?

Situation	Usually the most practical first step
A crime is happening now, someone is in danger, or the suspect has just fled	Contact the PNP or local emergency responders immediately
Online scam, hacking, account takeover, ransomware, identity theft, or digital extortion	NBI Cybercrime Division or PNP Anti-Cybercrime Group
Complex investment, corporate, securities, or financial fraud	NBI, together with the SEC, BSP, Insurance Commission, or other regulator where applicable
Local theft, physical assault, robbery, or property crime requiring immediate scene response	Local police station
You already have complete affidavits and evidence and primarily want formal criminal charges evaluated	Proper city or provincial prosecution office
Minor dispute between residents of the same city or municipality	Barangay conciliation may be required, subject to legal exceptions
Employment benefits, illegal dismissal, or unpaid salary without a separate crime	DOLE, NLRC, or the appropriate labor office
A simple unpaid loan or contractual breach without fraud	Civil demand, barangay proceedings where applicable, or civil court—not automatically an NBI criminal case

A contractual dispute does not become estafa merely because money remains unpaid. Estafa under Article 315 of the Revised Penal Code generally requires fraud, deceit, conversion, or abuse of confidence meeting the elements of the particular offense. For estafa by false pretenses, the deceit must ordinarily have occurred before or at the time the victim parted with money or property. (Lawphil)

What to Do Before Filing the Complaint

Deal with immediate safety first

An NBI complaint is not a substitute for an emergency response. Contact the police immediately when:

Someone is being attacked, detained, followed, or threatened with imminent harm.
A child or vulnerable person is in immediate danger.
A suspect is at the scene.
Evidence is being destroyed.
An unlawful transfer from a bank or e-wallet account is still in progress.

Victims of violence against women and their children may also seek protection under Republic Act No. 9262, including barangay or court-issued protection orders when the legal requirements are met. (Lawphil)

Preserve evidence before confronting the suspect

Do not delete messages, reset devices, edit screenshots, or publicly reveal information that may cause the suspect to disappear or destroy evidence.

For digital incidents, preserve:

The complete chat or email conversation, not only selected screenshots
Usernames, profile links, account numbers, phone numbers, and email addresses
Website addresses and exact URLs
Transaction reference numbers
Bank or e-wallet receipts
Original photos, videos, audio files, and documents
Message dates and timestamps
Device information and mobile numbers used
Password-reset, login, security-alert, or one-time-password messages
Copies of fraudulent advertisements or listings
Names of possible witnesses

Take screenshots, but also retain the original device and original files. A screenshot alone may not show metadata, the full conversation, or whether the content was altered. Republic Act No. 10175 expressly assigns cybercrime enforcement responsibilities to the NBI and PNP and supports specialized investigation of computer-related offenses. (Lawphil)

For unauthorized financial transfers, contact the bank, card issuer, or e-wallet provider immediately. Request that the account be secured, the transaction traced or recalled if possible, and the complaint formally recorded. Ask for a ticket or reference number.

Where to File an NBI Complaint

NBI main, regional, or district office

You may personally file at an NBI investigative office. In Metro Manila, complainants are directed to the complaints intake unit and then referred to the appropriate specialized division. In regional and district offices, a walk-in complainant may approach the chief agent or authorized personnel. The NBI also states that a written complaint addressed to the NBI Director may be submitted when personal appearance is not possible. (National Bureau of Investigation)

Use the official NBI Regional and District Offices directory to find the office nearest the incident, the suspect, or the principal evidence. The directory provides locations, telephone numbers, and email addresses for offices around the Philippines. (National Bureau of Investigation)

The current NBI contact page lists the main office at Filinvest Cyberzone Bay, Diosdado Macapagal Boulevard, Pasay City, with hotline (02) 8523-8231. Because some older NBI pages still refer to offices in Taft Avenue or use older division names, call the relevant office before traveling. (National Bureau of Investigation)

Do not confuse an NBI Clearance Center with an investigative office. A clearance outlet located in a mall or satellite location may process clearances but may not have agents authorized to receive and investigate criminal complaints.

Complaints division names

The NBI’s current division directory refers to the Complaints and Assessment Division, while an existing Citizen’s Charter page still uses Complaints and Recording Division. At the office, asking for the “complaints intake, assessment, or recording section” should avoid confusion. (National Bureau of Investigation)

Online complaint

The NBI maintains an Online Complaint page. Online submission may be useful for initial reporting, particularly when the complainant is far from an NBI office. However, be prepared to appear personally, verify your identity, execute a sworn statement, submit original evidence, or allow examination of a device. The NBI’s published investigative procedures rely on interviews and sworn complaint documents. (National Bureau of Investigation)

Documents and Evidence to Bring

The NBI Citizen’s Charter lists no universal documentary requirement merely to request investigative assistance. In practice, bringing an organized evidence package can prevent several return trips and make the initial assessment more productive. (National Bureau of Investigation)

Item	What to prepare
Identification	At least one valid government-issued ID; bring a passport if you are a foreign national
Written chronology	A one- to three-page timeline stating who, what, when, where, and how
Complaint-affidavit	A sworn factual statement, if already prepared; the NBI may instead ask you to execute its complaint sheet or sworn statement
Respondent information	Full name, aliases, address, workplace, phone number, email, social-media accounts, vehicle details, or other identifiers
Witness information	Full names, contact details, and a summary of what each witness personally saw or heard
Documentary evidence	Contracts, receipts, invoices, demand letters, checks, bank statements, certificates, corporate records, or government documents
Digital evidence	Screenshots, exported chats, emails, URLs, transaction histories, files, storage media, and the original device when requested
Proof of loss or injury	Medical records, repair estimates, valuation documents, bank records, proof of payment, or proof of ownership
Previous reports	Police blotter, barangay records, bank complaint numbers, regulator complaints, or earlier correspondence
Copies	At least two organized sets, with a separate index of attachments
Company authority	Board resolution, secretary’s certificate, or authority letter when filing for a corporation or organization
Foreign documents	English translation and authentication or apostille when formally required

Bring originals for comparison, but ordinarily submit clear copies unless an agent formally receives an original. When surrendering a phone, storage device, document, or other original evidence, request an acknowledgment, inventory, or receipt identifying what was turned over.

How to Prepare a Strong Complaint-Affidavit

A complaint-affidavit is a written statement made under oath. It should describe facts showing that a crime may have been committed and connect those facts to the person being complained of.

You do not need to fill the affidavit with legal terms. A clear, truthful chronology is more useful than repeatedly stating that the respondent is a “scammer,” “criminal,” or “fraudster.”

A practical structure is:

Your identity. State your full name, nationality, age, address, occupation, and contact details.
How you know the respondent. Explain whether the person was a seller, employee, business partner, romantic partner, online contact, public official, or stranger.
The first relevant event. Identify the date, location, communication, promise, representation, or transaction that began the incident.
The succeeding events. Describe each important event in order.
What the respondent personally did. Distinguish the respondent’s conduct from what other people did.
Why the act was unlawful. State the false representation, unauthorized access, threat, taking, conversion, falsification, or other wrongful act.
The loss or harm. State the amount lost, property affected, injuries sustained, or other consequences.
Your evidence. Refer to attachments by labels such as “Annex A,” “Annex B,” and so on.
Witnesses. Identify witnesses and what they can personally establish.
Your request. Ask the NBI to investigate and take appropriate action under the law.

Avoid including facts you merely assumed. When information came from another person, identify the source. Do not sign an affidavit containing blank spaces or statements you do not understand.

A complaint-affidavit intended for the prosecution office must be sworn before a prosecutor, another government official authorized to administer oaths, or—when those officials are unavailable—a notary public under the 2024 DOJ-NPS rules. An NBI agent may have you execute a separate sworn statement during the investigation, so ask before paying to notarize multiple versions. (Scribd)

Step-by-Step Process for Filing at the NBI

Identify the correct NBI office. Choose an office near the place where the crime occurred, where the respondent is located, or where most of the evidence and witnesses can be found.
Organize your evidence. Arrange documents chronologically. Prepare an index listing each attachment and what it proves.
Write a short case summary. On one page, state the parties, offense or problem, date and place, amount involved, key evidence, and urgent action requested.
Proceed to the complaints intake desk. Tell the interviewer that you are requesting investigative assistance. Describe the facts rather than insisting on a specific criminal charge.
Complete the complaint sheet. The intake officer may ask for respondent details, incident information, witnesses, documents, and prior reports.
Undergo an initial interview. Answer directly and disclose facts that may appear unfavorable. Hidden information discovered later can damage credibility.
Execute a sworn statement when requested. Review every page before signing. Make sure dates, amounts, names, and attachment references are correct.
Obtain the receiving details. Ask for the date received, office or division, name of the assigned agent if available, and any reference or docket number.
Submit additional evidence promptly. Label later submissions clearly and keep proof that the NBI received them.
Follow up reasonably. Follow up through the assigned agent or receiving office. Keep a log of calls, emails, visits, and documents submitted.

Fees and Expected Timeline

NBI investigative assistance is officially free of charge. You should not pay an agent, employee, intermediary, or “fixer” to have a complaint accepted, assigned, or expedited. You may still incur personal expenses for photocopying, notarization, translation, courier services, travel, or document certification. (National Bureau of Investigation)

The Citizen’s Charter gives a total of approximately 13 minutes for the basic intake interview and completion of the complaint sheet. For a computer-crime complaint, the published frontline process includes approximately 10 minutes for intake, 30 minutes to one hour for the preliminary interview, and additional internal processing for authority to investigate. These periods cover initial frontline processing—not the full investigation. (National Bureau of Investigation)

The actual investigation may take weeks or months, depending on:

The number of respondents and witnesses
Whether the respondent’s identity is known
The need for bank, telecommunications, platform, or corporate records
The need for search warrants or other judicial authorization
Digital-forensic backlogs
Whether evidence or witnesses are abroad
The cooperation of private companies and government agencies
Whether another NBI office must conduct part of the investigation

No responsible investigator can guarantee an arrest or case filing by a particular date merely because a complaint was received.

What the NBI May Do After Intake

After assessment, the complaint may be:

Referred to the Cybercrime Division
Referred to the Fraud and Financial Crimes Division
Referred to the Violence Against Women and Children Division
Referred to the Human Trafficking Division
Referred to the Public Corruption Division
Referred to the Criminal Investigation Division
Sent to a regional or district office
Coordinated with another agency
Returned for additional evidence
Declined when the matter is plainly civil, administrative, outside NBI jurisdiction, or unsupported by sufficient facts

The NBI’s current directory lists specialized divisions for cybercrime, fraud and financial crime, public corruption, human trafficking, violence against women and children, intellectual property, environmental crime, homicide, digital forensics, questioned documents, and other investigative or forensic functions. (National Bureau of Investigation)

An assigned agent may request authority to investigate, conduct additional interviews, obtain sworn statements, issue or seek appropriate process for records, coordinate forensic examinations, and prepare a report. The NBI’s subpoena power does not allow it to disregard constitutional privacy protections or obtain every type of confidential record without the legal process required for that record.

Filing With the Prosecutor After the NBI Investigation

A complaint filed with the NBI is different from a criminal complaint filed with the city or provincial prosecutor.

The prosecutor’s office evaluates whether formal charges should be filed in court. Depending on the prescribed penalty, the complaint may proceed through regular preliminary investigation, expedited preliminary investigation, or summary investigation under the applicable DOJ-NPS rules. The prosecutor may require an Investigation Data Form, original complaint-affidavit, witness affidavits, supporting evidence, and enough copies for the respondents and official files. (Department of Justice)

The NBI may help prepare and file the complaint as the investigating law-enforcement agency. In other cases, the complainant may separately file with the prosecution office, attaching the NBI documents and other evidence.

Barangay Conciliation May Still Be Required

Certain disputes between individuals actually residing in the same city or municipality must first undergo Katarungang Pambarangay, or barangay conciliation, before a complaint is filed with a court or another government office for adjudication.

The rule has important exceptions, including certain offenses punishable beyond the barangay’s authority, disputes involving the government or official functions, cases requiring urgent legal action, cases where an accused is detained, and disputes between parties residing in different cities or municipalities, subject to statutory qualifications. (Supreme Court E-Library)

The NBI may still receive information or assess a complaint, particularly where investigation or evidence preservation is necessary. However, the prosecutor may later require a Certificate to File Action when barangay conciliation legally applies.

Do Not Ignore Venue and Prescription

A criminal complaint is generally filed in the place where the offense was committed or where an essential element occurred. In online cases, several locations may be relevant, including where a fraudulent representation was made, where the victim received it, where money was transferred, or where unauthorized access occurred. Let the investigator or prosecutor assess venue rather than assuming that any office in the Philippines will ultimately have jurisdiction.

You should also act before the offense prescribes. Prescription is the expiration of the legal period for prosecuting an offense. The applicable period depends on the law violated and the penalty.

Do not assume that simply reporting an incident to the NBI always interrupts the prescriptive period. Supreme Court decisions recognize the legal significance of filing the complaint with the proper prosecution office for commencement of preliminary investigation and interruption of prescription. When a deadline may be approaching, promptly determine whether a separate prosecutor filing is necessary. (Lawphil)

Practical Guidance for Common NBI Complaints

Online shopping or investment scam

Prepare:

Advertisement or investment presentation
Full conversation
Seller or promoter’s profile and URL
Proof of payment
Recipient account information
Withdrawal or refund requests
False permits, licenses, or certificates
SEC verification results when an investment is involved
Names of other victims

Avoid sending additional money for supposed taxes, unlocking fees, verification fees, or recovery services.

Hacked social-media, email, or financial account

Preserve:

Security alerts
Login history
Password-reset emails
Unknown device information
Messages sent by the intruder
Reports made to the platform
Proof that you owned or controlled the account
Unauthorized transaction details

Secure the account first using a clean device. Change reused passwords and activate multi-factor authentication.

Threats, blackmail, or sextortion

Save the complete conversation, account URLs, payment demands, files sent, and threats made. Do not pay repeatedly in the hope that the material will be deleted. Where intimate images are involved, Republic Act No. 9995 and other penal or cybercrime laws may apply depending on how the material was obtained, used, or distributed.

Forged document or signature

Bring the questioned document and genuine comparison samples. Do not write on, laminate, staple through, or otherwise alter the original. The NBI has a Questioned Document Division that may examine signatures, handwriting, printing, alterations, and related document issues. (National Bureau of Investigation)

Employee theft or internal corporate fraud

Bring corporate authority to file, employment records, audit findings, inventory reports, access logs, CCTV footage, acknowledgment receipts, accounting records, and an explanation of how the loss was calculated. Preserve computers and business records without altering metadata or allowing unauthorized personnel to search through them.

Filing From Abroad or as a Foreigner

Filipinos abroad and foreign nationals may report crimes affecting them in the Philippines. The NBI states that a written complaint addressed to the NBI Director may be submitted when personal appearance is not possible. However, an investigator may later require a video interview, personal appearance, original documents, or a properly executed sworn affidavit. (National Bureau of Investigation)

A person abroad should usually prepare:

A copy of the passport or government ID
Philippine and overseas contact details
A chronological complaint
Respondent and witness details
Electronic copies of all supporting evidence
A local contact or authorized representative, when appropriate
A special power of attorney if a specific transaction must be performed by a representative

A representative can deliver documents and coordinate logistics, but may not be able to replace the victim’s personal testimony about events that only the victim witnessed.

For affidavits or public documents executed abroad, ask the receiving NBI or prosecution office whether it requires:

Notarization before a Philippine embassy or consulate;
Local notarization followed by an apostille in a country where the Apostille Convention applies; or
Authentication or legalization where apostille treatment is unavailable.

Foreign-language documents should be accompanied by a reliable English translation when their contents are material. Authentication procedures differ by country, so confirm them with the relevant Philippine foreign service post or through the official DFA Apostille information portal. (Philippine Embassy in New Delhi)

Cross-border cybercrime, trafficking, and financial cases often take longer because foreign records may require voluntary cooperation, preservation requests, mutual legal assistance, or coordination through the DOJ Office of Cybercrime or international authorities. (Department of Justice)

Common Mistakes That Weaken an NBI Complaint

Submitting only a verbal accusation. Prepare a timeline and documents.
Providing cropped screenshots without context. Preserve the full conversation and original files.
Guessing dates, amounts, or identities. State when something is an estimate or belief.
Hiding facts that may help the respondent. Investigators need the complete story.
Posting accusations publicly before evidence is secured. This may alert the suspect and create separate legal risks.
Paying a fixer. NBI investigative services are free.
Waiting too long. Records may disappear, witnesses may become unavailable, and prescription may continue running.
Filing identical complaints with several offices without disclosure. Tell each agency about pending reports to prevent duplication and conflicting operations.
Surrendering original evidence without a receipt. Request a documented inventory or acknowledgment.
Expecting the NBI to collect a private debt. Show the criminal act—such as deceit, conversion, falsification, threat, or unauthorized access—not merely nonpayment.
Demanding an immediate arrest. An arrest generally requires a judicial warrant unless the facts fall within a lawful warrantless-arrest situation under Rule 113 of the Rules of Criminal Procedure. (Lawphil)

Frequently Asked Questions

Can I file an NBI complaint online?

The NBI has an official online complaint page. For a full investigation, you may still be asked to appear, confirm your identity, execute a sworn statement, or present original evidence or devices. (National Bureau of Investigation)

How much does it cost to file a complaint with the NBI?

The NBI does not charge a fee for investigative assistance. Personal expenses such as notarization, copying, translation, courier charges, and transportation are separate. (National Bureau of Investigation)

Do I need a lawyer to file an NBI complaint?

No. An ordinary complainant may personally request investigative assistance. A lawyer can be helpful in complex cases, corporate matters, cases involving possible countercharges, or situations where prescription and prosecutor filing must be evaluated quickly.

Can the NBI arrest someone immediately after I complain?

Not merely because a complaint was filed. The NBI must investigate and comply with constitutional and procedural requirements. An arrest generally requires a warrant unless a valid ground for warrantless arrest exists, such as an offense committed in the arresting officer’s presence or a qualifying hot-pursuit situation based on personal knowledge of facts. (Lawphil)

Can I file anonymously?

You may provide information or a tip, but an anonymous report is usually not a complete substitute for a sworn complainant who can authenticate evidence and testify. A formal investigation commonly requires identifying and interviewing the victim or witnesses. (National Bureau of Investigation)

Can I file at any NBI office?

An office may receive or assess your concern, but the case can be referred to the office or division with the proper territorial or subject-matter responsibility. Filing near the incident, respondent, witnesses, or evidence is normally more efficient.

How long does an NBI investigation take?

The initial complaint intake may take minutes or about an hour, but a full investigation can take weeks or months. Cyber-forensic analysis, bank tracing, subpoenas, warrants, overseas evidence, and multiple respondents commonly extend the timeline. (National Bureau of Investigation)

Can I file directly with the prosecutor instead?

Yes, when you already have a complete complaint-affidavit, witness affidavits, and supporting evidence. The prosecution office will assess the complaint under the applicable DOJ-NPS investigation rules. An NBI investigation is especially useful when further evidence must first be located, traced, examined, or preserved. (Department of Justice)

What can I do if there is no action on my NBI complaint?

Follow up with the assigned agent or receiving division using your reference details. Submit a concise written follow-up identifying the filing date, subject, respondent, and evidence already provided. You may also raise service-related concerns through the NBI’s supervisory offices or government feedback channels, while separately protecting any deadline for filing with the prosecutor.

Can an OFW or foreigner file without traveling to the Philippines?

A written complaint may be sent when personal appearance is not possible, but the NBI may later require a sworn affidavit, interview, authenticated documents, or personal participation. Coordinate with the appropriate NBI office and the nearest Philippine embassy or consulate regarding document execution. (National Bureau of Investigation)

Key Takeaways

Filing with the NBI requests an investigation; it does not automatically create a court case or cause an arrest.
Use the NBI for cybercrime, complex fraud, white-collar offenses, forensic issues, trafficking, and cases requiring national or specialized investigation.
Preserve original documents, complete digital conversations, transaction records, URLs, and devices.
Prepare a clear chronology, valid identification, respondent details, witness information, and organized evidence.
NBI investigative assistance is free; never pay a fixer.
The published intake time is not the investigation timeline.
Barangay conciliation may still be required for certain disputes.
Do not assume an NBI report stops the prescriptive period; filing with the proper prosecutor may be necessary.
Obtain receiving details, receipts for original evidence, and written records of every follow-up.