Malaysia’s Trusted Private Investigation Services
Optimal Security Services Sdn Bhd provides MOHA (KDN) licensed private investigation services (Lesen 2B) for corporate, legal and private clients across Malaysia.
Our licensed investigators conduct discreet surveillance, background checks, fraud investigation and evidence gathering with strict confidentiality and legal compliance.

Matrimonial & Infidelity Investigations
- Marital Status Verification
- Financial Status & Asset Discovery
- Extramarital & Infidelity Investigations
- Divorce Forensics & Evidence Collection
- Family Background & Lifestyle Checks
Our licensed private investigators handle highly sensitive relationship cases with complete discretion, confidentiality, and legal compliance.
Corporate, Fraud & Commercial Investigations
- Business Partner Due Diligence
- Corporate Financial Investigations
- Employee Fraud & Internal Theft Cases
- Staff Loyalty & Integrity Checks
- Trademark & Intellectual Property Investigations
Protect your business against financial fraud, scams, trade risks and insider threats with our expert corporate investigation team.
Background Check & Due Diligence Services
- Pre-Employment Background Checks
- Senior Executive Screening
- Criminal Record Verification
- Financial & Credit History Checks
- Education & Employment Verification
Our background investigation services deliver accurate, lawful and court-admissible intelligence for HR, businesses and individuals.
Why Choose Our Private Investigators in Malaysia?
- MOHA / KDN Licensed (2B) – Fully legal & compliant investigations.
- Confidential & Discreet Handling – Your identity is always protected.
- Highly Experienced Investigators – Corporate & matrimonial specialists.
- Court-Admissible Evidence – Legally collected documentation.
- Nationwide Coverage – KL, Selangor & across Malaysia.
Licensed Private Investigator Services in Malaysia – 2026 FAQs
This FAQ provides guidance on hiring licensed private investigators (PIs) in Malaysia. It covers MOHA/KDN compliance, legal restrictions, investigative methods, and professional best practices for corporate, personal, and legal investigations.
All private investigation services are delivered in compliance with Malaysian laws, MOHA/KDN regulations, and the Private Agency Act 1971, ensuring legally authorised, trained, and professional investigators.
Who can legally operate as a private investigator in Malaysia?
Private investigators must be employed by a licensed private investigation agency approved by MOHA/KDN. Individuals or companies offering investigative services without a license are acting illegally and cannot legally conduct surveillance, background checks, or evidence collection.
What services do private investigators provide?
Licensed private investigators in Malaysia handle a range of services including background checks, corporate investigations, fraud detection, matrimonial investigations, surveillance, due diligence, asset tracing, and legal support for court proceedings.
Are private investigators allowed to use surveillance equipment?
Yes, licensed private investigators may use legal surveillance equipment, GPS tracking, and monitoring tools within the bounds of Malaysian law. Unauthorized use of devices or illegal surveillance is strictly prohibited.
How do private investigators maintain client confidentiality?
All licensed investigators follow strict confidentiality protocols. Information collected during investigations is handled securely, shared only with the client or their legal representatives, and used strictly for the purpose outlined in the engagement.
How are private investigation reports used?
Reports prepared by licensed private investigators are factual, legally admissible (if conducted according to law), and may be used for corporate decision-making, legal proceedings, or personal verification purposes.
How can I verify a private investigator is licensed in Malaysia?
You can verify the license of a private investigator or agency with the Ministry of Home Affairs (MOHA/KDN). Always ensure investigators provide their license details before engaging services.
Need Confidential Investigation Support Today?
Speak directly with our MOHA-licensed Private Investigator in Malaysia. All consultations are strictly private and confidential.
Request a Confidential ConsultationExplore More Top-Rated Security Services in Malaysia
In addition to our expert static security services, we offer professional event security guard services, commercial & residential security guard, Nepalese security guards, and private investigation solutions for corporate premises, residential areas, and high-risk individuals. Proudly serving Kuala Lumpur, Selangor, Johor Bahru, Penang, and other major regions in Malaysia.
Explore our services