Private Investigation Services Uncovering the truth that matters most to you — starting with Lida

In everyday life, whether it's uncertainty in a relationship, tension within the family, or concerns over personal safety, the moment the thought "I need to know the truth" enters your mind, private investigation is your most reliable solution. Our private investigation services are designed specifically for individual clients, covering infidelity evidence gathering

movement surveillance, pre-marital background checks, child activity monitoring, missing person searches and address tracing, and other types of personal cases. Through the involvement of professional investigators using lawful and compliant methods, we obtain real, valid evidence for our clients — helping you make the most appropriate decisions for your life and protecting the interests of both you and your family.

Lida International Investigation Agency understands that behind every private investigation case lies a client's longing for the truth and anxiety about the future. Our team of experienced private investigators operates on the principles of professionalism, discretion, and confidentiality, designing a tailored investigation plan for every client and obtaining lawful, genuine evidence in the most efficient way possible.

Scope of Private Investigation Services

Affair Evidence / Infidelity Investigation
Suspect your partner is cheating but have no evidence? Through covert surveillance and high-definition evidence gathering, we obtain legally valid photographic and video evidence for you.

Movement Investigation / Surveillance Tracking
Get a clear picture of a target's actual whereabouts — whether on foot, by car, or across borders, Lida's investigators can follow through every step of the way.

Missing Person Search & Address Tracing
Lost touch with someone for whatever reason? Through database searches and on-the-ground investigation, we quickly locate the target person's most current address for you.

Background Investigation
Gain a full understanding of a person's true background, including marital status, financial records, employment history, and litigation records, helping you make well-informed decisions before important life choices.

Commercial Investigation
Providing professional investigative support for cases involving employee conduct, competitor activity, verifying the legitimacy of workplace injury claims, mystery shopper assessments, kickback and bribery issues, and commercial infringement.

Other Applications of Private Investigation

Beyond the core services above, private investigation is also suited to the following situations, with Lida International Investigation Agency able to design a tailored investigation plan according to your individual needs:

￭ Child Safety Monitoring
As children enter adolescence, staying out late can leave parents worried. We can discreetly look into your child's actual social circle and daily activities, helping parents identify potential risks early on.

￭ Domestic Helper & Caregiver Conduct Verification
Entrusted an elderly family member or young child to the care of a domestic helper, but have no way of knowing whether their work is truly up to standard? We can arrange covert monitoring to ensure your family receives proper care.

￭ Insurance Claim Verification
Suspect an insurance claim may involve fraud? We can conduct a covert investigation into the claimant's actual circumstances and gather photographic and video evidence, protecting your legal rights.

￭ Anti-Tracking / Counter-Surveillance
Suspect you're being followed or watched? Lida can carry out anti-tracking detection and counter-surveillance sweeps for you, safeguarding your personal privacy and physical safety.

Scope of Private Investigation Services

Lida International Investigation Agency's private investigation services are not limited by geography — whether your case takes place in Hong Kong or mainland China, we can provide you with comprehensive investigative support. Over the years, we have successfully handled a large number of cross-border cases spanning both Hong Kong and mainland China, and with an extensive network of contacts and databases built up in both regions, we ensure every case is completed swiftly and accurately.

In Hong Kong, our investigative services cover Hong Kong Island, Kowloon, and the New Territories in full. Our field investigation team and vehicle surveillance unit are equipped with advanced high-definition recording equipment, enabling them to carry out investigations around the clock in any district. In mainland China, Lida International Investigation Agency maintains dedicated investigation teams in various locations, able to launch operations on the ground quickly and obtain firsthand, genuine information for clients. Whether the target is in Guangzhou, Shenzhen, Shanghai, or another city, we can arrange the investigation properly, so you never have to worry about the complexities of a cross-border case.

1. Investigations in mainland China are handled directly by Lida International Investigation Agency's own staff; overseas investigations are conducted in cooperation with local teams as appropriate.
2. All investigative actions are carried out in a lawful and compliant manner, ensuring the evidence gathered holds legal validity.
3. Fees for cross-border and overseas investigations are quoted separately based on the specifics of each case — feel free to contact us for a free consultation.

Professionalism Lies in Every Detail — Lida International Investigation Agency Fully Supports Your Case

As a member of the Hong Kong private investigation community, Lida International Investigation Agency has, over many years, built a brand reputation widely trusted by clients among the many private investigation firms in the market, through a rigorous work ethic and an outstanding track record of successful cases. A truly trustworthy private investigation agency needs not only excellent investigative skills, but also professional conduct reflected in every single detail. From the first free consultation, through designing the investigation plan and carrying out operations, to the final submission of the evidence report, every step is overseen from start to finish by seasoned, experienced investigators, ensuring the quality of the investigation meets the highest standard.

Lida International Investigation Agency's investigation team draws on members from a range of professional backgrounds, including seasoned investigators, legal consultants, and IT specialists, each bringing their own area of expertise, allowing the team to deploy flexibly according to the nature of each case and secure the strongest possible evidence through the most suitable investigative strategy. Unlike some of the smaller private investigation firms in the market, Lida International Investigation Agency maintains a fully developed field investigation team, vehicle surveillance unit, and technical equipment division, ensuring every case has sufficient manpower and resources behind it — investigation quality is never compromised by a lack of resources.

Within Hong Kong's private investigation industry, confidentiality and integrity are core values that Lida International Investigation Agency upholds. Before formally beginning any case, we sign a formal confidentiality agreement with the client, ensuring the client's identity and case details are fully protected. Once the investigation is complete, all related materials are also properly destroyed in accordance with Hong Kong law, allowing every client to entrust their case to us with complete peace of mind. Choosing Lida International Investigation Agency means choosing a professional private investigation agency that truly puts the client's interests first.

Questions You May Have Before Your First Private Investigation Engagement

Q1: I've never hired a private investigator before and don't know where to start — what should I do?

There's absolutely no need to worry. Many clients feel just as unfamiliar with private investigation before contacting us, and some even hesitate over whether to take this step at all. Lida International Investigation Agency offers a free initial consultation — simply reach out to us via WhatsApp, and one of our experienced investigation consultants will walk you through the entire investigative process, the information required, and the approximate costs involved, so you can decide whether to formally proceed with complete understanding and absolutely no pressure.

Q2: I'm worried about hiring a private investigator to look into my partner — what if they find out?

Confidentiality is one of the work principles Lida International Investigation Agency values most. Before formally beginning any investigation, we sign a confidentiality agreement with you, ensuring your identity and case details are never disclosed. Our investigators are all professionally trained in surveillance and evidence gathering, and in the vast majority of cases, the target will not become aware that any investigation is taking place. Once the investigation is complete, all related materials are also properly destroyed in accordance with the law, so you can rest completely at ease.

Q: Can the evidence gathered through a private investigation be used in legal proceedings?

Yes. All investigative actions carried out by Lida International Investigation Agency are conducted in a lawful and compliant manner. The video footage, photographs, and written investigation reports we gather meet the requirements of Hong Kong law and can be submitted as evidence in court, applicable to divorce proceedings, child custody disputes, or other civil legal matters. If you need further legal advice, we can also provide a lawyer referral service to help you fully prepare for the legal process.