Hong Kong's leading investigators — free consultation
Tailored investigations, lawful methods
International expertise, no borders

Hong Kong's Trusted Private Investigators

Hong Kong's Trusted Private Investigators

Lida International is an Asia-based investigation brand with deep experience in personal and commercial cases. A member of the World Association of Detectives (W.A.D.) since 2024, with partners across Asia and Europe.

Cross-Border Investigators

Cross-Border Investigators

Truth knows no borders. Lida delivers tailored, lawful investigations across Hong Kong and overseas — infidelity, due diligence, background checks, and missing persons — with round-the-clock, confidential service.

01 Free Consultation

Call +85297623336

02 Confirm Details

Discuss and confirm your case with our team

03 Sign Agreement

Sign the contract and pay the deposit

04 Investigation

We gather evidence and report progress

05 Case Closed

Submit the investigation report and handle the case data per the agreement.

Pre-Marital Background Check

Pre-Marital Background Check

Verify a prospective spouse's relationship history, finances, family, and career — so your decision is built on full understanding.

Commercial Investigation

Commercial Investigation

Market research, employee conduct checks, workplace injury investigations, brand infringement evidence, mystery shopper assignments, and more.

Missing Person Search

Missing Person Search

Locate lost family members, old contacts, or evasive debtors using professional tracing methods and a cross-border network. International cases welcome.

Background Investigation

Background Investigation

Verify an employee, partner, or contact's credit history, career, finances, associations, and records — accurate, comprehensive findings.

Surveillance Services

Surveillance Services

Lawfully and discreetly track a target's (child, partner, employee, etc.) movements and contacts, with full activity reports.

Custom Investigation

Custom Investigation

Case doesn't fit the categories above? Our team designs tailored solutions for any personal, family, or business concern, combining Hong Kong's legal framework with our investigative resources to resolve it swiftly.

Why Choose Lida International Investigation Agency, Hong Kong?

When you commission an investigation, you need more than an agency willing to take the case — you need a team that delivers results. Since 2007, Lida has stood by lawful evidence gathering, transparent pricing, and tailored service, guiding every client from uncertainty to a clear next step.



Fully Lawful Transparent Pricing
All investigations comply with relevant laws, respecting privacy while ensuring evidence is genuine and valid. Fees and scope are clearly explained upfront — no hidden charges, no surprises later.
Strict Confidentiality Tailored Service
Client identity and case details are protected throughout, and properly handled after closing. Every case is different — we design a bespoke strategy to fit your specific needs.

Lida International Investigation Agency will handle your toughest personal or business challenges with professionalism, speed, and discretion. Wherever you are — Hong Kong Island, Kowloon, the New Territories, or anywhere in the world — Lida's team is a partner you can truly trust.

Free Consultation

Frequently Asked Questions | FAQ