23 Best Private Investigators In Singapore
Jim Ng · Editor-in-chief
Guide by the Best In Singapore editorial teamUpdated 23 businesses compared

Sponsored places. The first 2 places on this guide are sponsored: Catch Cheating SG (paying sponsor) and International Investigators (paying sponsor). We list sponsored businesses first and label them. That is our decision, not a score. The places after them keep our earlier order until this guide is re-scored. How we make money
Looking for the best private investigators in Singapore? You’ve landed on the right page. With the growing demand for investigative services, finding a reputable, experienced investigator is crucial. We have compiled a list of the 24 best private investigators in Singapore, chosen based on their reputation, experience, and quality of services.
How we ranked these
This guide is being re-reviewed against our published criteria. Until then, sponsored businesses are listed first and labelled, and the places after them keep our earlier editorial order.
At a glance
Google ratings as published, latest check 2023-04. Ratings change; check the business before you book.
Sponsored
A paid place, listed first. This place is not set by a score.
Catch Cheating SG

Catch Cheating SG is renowned as Singapore’s best private investigator for infidelity cases. Their track record of delivering exceptional results and excellent customer service sets them apart from other investigation agencies. With years of experience and the latest technology, their team of investigators has become experts in catching cheating spouses.
They understand the emotional toll infidelity can take on their clients and offer support and guidance throughout the investigation process. Their professionalism and discretion have earned them a reputation as the go-to agency for infidelity cases. They provide regular updates and can even provide expert testimony in court if needed.
Regarding infidelity investigations, Catch Cheating SG is the best choice for anyone in Singapore seeking reliable and experienced private investigators. Their team of investigators is professional and discreet, ensuring their clients’ privacy is always protected. They provide regular updates to their clients and can provide expert testimony in court if needed.
This business pays for this place. Paying buys the place and the larger card. It does not change the score. How we make money
Sponsored
A paid place, listed first. This place is not set by a score.
International Investigators

International Investigators is a name that stands out. With their unwavering commitment to uncovering the truth, they are the go-to agency for all your investigative needs. Their team of highly skilled and experienced investigators possesses a keen eye for detail and an unmatched level of professionalism. Whether you require surveillance, background checks, or corporate investigations, International Investigators has the expertise to handle it all.
They are renowned for their ability to gather accurate and reliable evidence, ensuring that their clients receive the information they need to make informed decisions. What sets them apart is their dedication to maintaining confidentiality and operating within the boundaries of the law. With International Investigators by your side, you can have peace of mind knowing that your case will be handled with the utmost discretion and integrity.
This business pays for this place. Paying buys the place and the larger card. It does not change the score. How we make money
Ace Private Investigations Pte Ltd

Ace Private Investigations Pte Ltd is committed to delivering quality services at competitive prices, making them a popular choice for clients who value cost-effectiveness. They take pride in maintaining open communication with their clients and providing regular updates on the progress of the investigation.
Ace Private Investigations Pte Ltd is a licensed and trusted private investigation agency in Singapore that has built a reputation for their excellent customer service and dedication to delivering results.Ace Private Investigations Pte Ltd also offers pre-employment screening, asset tracking, and due diligence investigations.
They understand the importance of discretion and maintain confidentiality throughout the investigation process. Their team is available 24/7 to assist clients and provide updates on the progress of their cases. With a reputation for delivering high-quality results, Ace Private Investigations Pte Ltd is a trusted and reliable choice for private investigation services in Singapore.
Acestes

At Acestes, they believe that every client is unique and their needs are different. That’s why they take the time to understand their clients’ objectives and work with them closely to achieve their desired outcomes. They value confidentiality and professionalism, so you can trust us to handle your case with the utmost care and discretion.
Whether you’re dealing with a personal or business matter, their team of experienced investigators is here to help you uncover the truth. They take pride in delivering quality results and providing exceptional customer service. Their dedication to their clients has earned them a reputation as one of the top private investigators in Singapore. So, if you need a reliable and trustworthy investigative agency, look no further than Acestes.
AK Global Investigation Pte Ltd

If you’re looking for a top-notch private investigation agency in Singapore, AK Global Investigation Pte Ltd is definitely worth considering. They offer various investigative services, including surveillance, background checks, and corporate investigations.
They are experts in their field and know exactly what it takes to get the job done. They use the latest technology and equipment to gather evidence discreetly and efficiently. AK Global Investigation Pte Ltd is also known for their professionalism, discretion, and responsiveness.
They understand the importance of keeping their clients’ cases confidential and always maintain the highest level of professionalism. Their team of investigators is always available to answer any questions and provide regular updates to their clients.
Apex Security & Investigation

If you’re looking for a private investigation agency in Singapore that specialises in corporate investigations, Apex Security & Investigation is an excellent choice. They have a reputation for being among the best due to their expertise in conducting due diligence, intellectual property rights infringement, and fraud investigations.
Their investigators are highly skilled and use state-of-the-art technology to gather evidence discreetly. They also update their clients regularly, keeping them informed throughout the investigative process. With their professionalism, discretion, and commitment to delivering quality results, Apex Security & Investigation is a reliable choice for corporate investigations in Singapore.
Asia Top Investigation LLP

If you’re in need of a private investigation agency in Singapore, Asia Top Investigation LLP is an excellent choice. They’re highly regarded for their expertise in computer and digital forensics, making them the go-to agency for cases involving cybercrime and data breaches.
With a team of highly skilled investigators, they’re capable of retrieving and analysing digital evidence to provide reliable results to their clients. In addition to their computer and digital forensics expertise, Asia Top Investigation LLP offers risk assessment and mitigation services to help clients proactively manage and minimise potential threats.
Their customised investigation plans cater to the specific needs of their clients, ensuring they receive the best possible services. Overall, Asia Top Investigation LLP is a reliable and trustworthy private investigation agency that you can count on to handle your case professionally and carefully.
Baker St. Private Investigation

Baker St. Private Investigation is known for their commitment to their clients and their ability to deliver results. They understand that infidelity can be a sensitive and emotional issue, and they handle each case with empathy and professionalism. They work closely with their clients to gather information and evidence discreetly, ensuring their clients’ privacy is always protected.
Baker St. Private Investigation also offers competitive pricing and flexible payment options to make their services accessible to a wider range of clients. Their dedication to delivering high-quality services and their focus on client satisfaction have earned them a reputation as one of Singapore’s top private investigation agencies.
CDiC Consultants LLP

CDiC Consultants LLP is dedicated to providing reliable and comprehensive investigative services to their corporate clients. They understand the importance of accurate information when making business decisions and take pride in delivering reliable and thorough results.
In addition to their investigative services, CDiC Consultants LLP also offers advisory services to help their clients make informed decisions and mitigate potential risks. Their expert guidance and advice have helped many clients confidently navigate complex business challenges.
Commercial Investigations

Commercial Investigations is a reputable private investigation agency in Singapore, recognised for their exceptional expertise in fraud investigations, specifically in insurance fraud and intellectual property theft cases. They have a team of highly skilled investigators who possess extensive knowledge in uncovering fraudulent schemes and providing clients with concrete evidence that can be used in legal proceedings.
They provide training and education programs to raise awareness of common fraudulent schemes, helping clients take proactive steps to avoid being victims of fraud. Their clients’ satisfaction is always their top priority, and they work tirelessly to deliver the best possible results.
Additionally, Commercial Investigations understand the importance of confidentiality and professionalism when conducting investigations. They ensure that their clients’ privacy is always protected and provide regular updates on the progress of their investigations.
DP Quest Investigation Consultancy Pte Ltd

DP Quest Investigation Consultancy Pte Ltd is a reliable and professional private investigation agency in Singapore that offers various services to meet their clients’ needs. They are known for their commitment to using ethical and legal methods in their investigations, which ensures that their clients’ privacy and reputation are always protected.
Their team of investigators is well-trained and experienced, providing reliable and accurate information to their clients. They offer a wide range of services, including surveillance, background checks, and corporate investigations. Additionally, they provide consulting services to help clients identify potential security threats and develop risk management plans.
If you need help uncovering the truth for personal or business purposes, DP Quest Investigation Consultancy Pte Ltd is an excellent choice. With their expertise, professionalism, and commitment to protecting their clients’ privacy and reputation, you can trust them to provide you with quality results.
Integrity Investigation Service

At Integrity Investigation Service, they value their clients’ privacy and maintain strict confidentiality throughout the investigative process. They work closely with their clients to understand their specific needs and provide personalised services that are tailored to their unique situations.
In addition to their forensic investigations, Integrity Investigation Service also provides other investigation services such as background checks, surveillance, and corporate investigations. Their team of investigators is highly trained, ensuring all investigations are conducted ethically, legally, and professionally.
Integrity Investigation Service is a private investigation agency that prioritises forensic investigations, such as DNA testing and fingerprint analysis, to provide clients with comprehensive and reliable results. Their team of investigators has extensive experience working with law enforcement agencies, which gives them an edge in providing clients with detailed and accurate reports that can be used as evidence in legal proceedings.
Kokusai CATCH CHEATING SPOUSE (1984)

Kokusai CATCH CHEATING SPOUSE (1984) is a private investigation agency in Singapore that understands how devastating infidelity can be. That’s why they go above and beyond to help their clients uncover evidence of cheating and make informed decisions about their relationships.
They offer various investigation services, including surveillance and GPS tracking, but what sets them apart is their unique approach to solving infidelity cases through psychological profiling. Their team of experienced investigators uses their knowledge of human behaviour and motivation to provide clients with a more comprehensive understanding of their partner’s actions.
This approach can aid in decision-making, giving clients the information they need to move forward with confidence. Kokusai also prioritises the confidentiality and privacy of their clients throughout the investigation process. Moreover, Kokusai CATCH CHEATING SPOUSE (1984) has been in the business for more than three decades, and their expertise and reputation make them a top choice for clients in Singapore. With their personalised service and exceptional knowledge, clients can trust that they are in good hands with Kokusai.
Linear Investigation & Consultancy

Linear Investigation & Consultancy is a reliable private investigation agency that focuses on providing due diligence and background check services for businesses. They understand the importance of mitigating risks and making informed decisions, which is why they have a team of experienced investigators who utilise ethical and legal methods in conducting their investigations.
Linear Investigation & Consultancy ensures that clients receive accurate and comprehensive information on potential business partners, employees, or investments. What sets them apart is their use of proprietary technology, which helps them conduct investigations more efficiently and effectively.
With their state-of-the-art technology, Linear Investigation & Consultancy can provide clients with a faster turnaround time on their investigations, saving them time and money. They also prioritise confidentiality and professionalism throughout their investigations, ensuring their clients’ privacy and reputation are protected.
Nemesis Investigations Pte Ltd

Nemesis Investigations Pte Ltd is a reputable private investigation agency in Singapore that specialises in surveillance and stakeouts. If you suspect your partner of infidelity or an employee of fraudulent behaviour, Nemesis Investigations can provide the evidence you need to confirm or dismiss your suspicions.
Their team of investigators are highly trained in discreetly monitoring and documenting individuals’ activities, ensuring that they remain unnoticed and that their work does not compromise their client’s reputation. Moreover, Nemesis Investigations offers counter-surveillance services to help clients identify and mitigate potential security threats.
With the rise of cyber-espionage, surveillance and counter-surveillance have become essential aspects of corporate security. Nemesis Investigations has the expertise to provide these services to their clients. Nemesis Investigations is committed to delivering accurate evidence-gathering and timely reporting to their clients while maintaining confidentiality.
Their investigators are experienced professionals who understand the sensitivity of their work and the importance of their client’s privacy. As one of Singapore’s most trusted private investigation agencies, Nemesis Investigations has built a reputation for providing top-quality services to their clients, ensuring that they receive the information they need to make informed decisions.
Pedro Investigations & Security Services Pte. Ltd.

Pedro Investigations & Security Services Pte. Ltd. is a reputable corporate agency in Singapore offering due diligence, background checks, and fraud investigations. Their licensed investigators use cutting-edge technology to provide clients with reliable evidence and insights.
They understand that corporate investigations can be costly, so they strive to offer cost-effective solutions without sacrificing quality. Their innovative technology enables them to analyse data efficiently and deliver results promptly. Pedro Investigations values their clients’ confidentiality and takes pride in their accuracy and attention to detail. Their professional and discreet team ensures that clients’ privacy is always protected.
PrivateEye Investigation

PrivateEye Investigation is a private investigation agency that provides a variety of services to their clients. Their services include surveillance, investigating cheating spouses, and performing background checks.
The agency employs a team of highly trained investigators who use state-of-the-art technology to collect evidence discreetly and efficiently. PrivateEye Investigation also prioritises confidentiality and takes all necessary measures to protect its clients’ privacy.
Their investigators are professional and discreet, and their reports are comprehensive and reliable. In addition to their exceptional services, PrivateEye Investigation offers competitive rates and personalised solutions tailored to their client’s unique needs. Their commitment to their clients’ satisfaction makes them one of the top choices for private investigation services in Singapore.
Private Investigator Singapore

Private Investigator Singapore is a well-established and reliable private investigation agency in Singapore that provides a wide range of investigation services. Their licensed and experienced investigators are proficient in using the latest technology to gather evidence effectively and discreetly.
Private Investigator Singapore’s team of investigators is dedicated to maintaining confidentiality and ensuring their clients feel comfortable throughout the investigation process. They take pride in their attention to detail and ability to provide their clients with comprehensive and reliable reports.
Their services include corporate investigations, surveillance, and background checks. With their expertise and innovative approach, they can provide their clients with accurate and timely results. Private Investigator Singapore is a trusted and reputable private investigation agency that prioritises clients’ needs and delivers results efficiently and effectively.
Private Investigation Consultancy Services

Private Investigator Singapore is a trusted private investigation agency in Singapore that offers a wide range of investigative services. Their licenced and experienced investigators use the latest technology to conduct corporate investigations, surveillance, and background checks for their clients discreetly and efficiently.
With a reputation for reliability and trustworthiness, they maintain the highest level of professionalism and integrity in all their operations. Their commitment to protecting clients’ privacy and delivering accurate results has earned them the trust of Singapore’s individuals, businesses, and law firms. Whatever the investigation needs may be, Private Investigator Singapore is dedicated to providing clients with reliable evidence to make informed decisions.
Ranger Investigation & Security Services

Ranger Investigation & Security Services is a private investigation agency in Singapore that stands out by offering personalised services to their clients. They recognise that every case is unique and work closely with their clients to understand their needs and provide tailored solutions.
Their use of advanced technology and equipment allows them to conduct investigations discreetly and efficiently. With a team of highly skilled investigators, Ranger Investigation & Security Services can deliver high-quality results to their clients. The agency is trusted in the industry for their professionalism, integrity, and confidentiality.
They hold themselves to the highest standards and provide reliable services to their clients. With their commitment to meeting clients’ needs and maintaining their privacy, Ranger Investigation & Security Services is a top choice for anyone looking for private investigation services in Singapore.
Resilient Investigations LLP

Resilient Investigations LLP is a Singapore-based private investigation agency with a team of experienced investigators, including former law enforcement officers, military personnel, and intelligence analysts. They are renowned for customised services catering to their clients’ specific requirements.
Their thoroughness, attention to detail, and adherence to ethical and legal standards set them apart. In addition to their investigative services, Resilient Investigations LLP also offers security consulting and risk management services. They help clients mitigate risks, protect their assets, and make informed decisions by providing expert advice based on reliable information and data-driven insights.
Resilient Investigations LLP is a trusted partner for insurance companies, law firms, and businesses seeking reliable investigative services. They are committed to providing high-quality results at a reasonable cost, making them an excellent choice for those who value quality and cost-effectiveness.
SK Investigation Private Limited

SK Investigation Private Limited is a private investigation agency in Singapore that offers various services, such as personal and corporate investigations and security services.
They have a team of experienced investigators who use cutting-edge equipment to gather evidence and protect their clients’ safety. SK Investigation Private Limited sets themselves apart by prioritising customer satisfaction.
They are dedicated to delivering timely and precise reports to clients to help them make informed decisions. They understand the importance of reliable information and strive to provide the highest quality results to their clients.
Unfaithful Spouse Investigators

Going through a suspected infidelity can be a difficult and emotionally draining experience for anyone. Unfaithful Spouse Investigators understand the gravity of such situations and strive to provide their clients with the evidence they need and emotional support during this challenging time.
Their team of skilled investigators are well-versed in conducting infidelity investigations using cutting-edge technology, including GPS tracking and forensic investigations, to gather evidence in a discreet and effective manner.
But what sets them apart is their compassion and empathy towards their clients. They understand that uncovering the truth can be a painful experience, and they provide their clients with a safe space to express their feelings and receive emotional support. Unfaithful Spouse Investigators take pride in providing their clients with the evidence they need and ensuring that they feel heard, supported, and secure throughout the investigation.
Conclusion About The Best Private Investigators In Singapore
When it comes to investigating matters of the heart or business, it’s essential to have a skilled, experienced, and trustworthy team of professionals. With the rise of technology and the increasing need for discretion, private investigation agencies have become a critical resource for individuals, businesses, and law firms.
If you’re looking for reliable and discreet private investigation services in Singapore, Detective Don PI Pte. Ltd. and Catch Cheating SG are two agencies that stand out. With their dedication to their clients’ needs, advanced technology, and experienced investigators, they can provide you with the evidence and peace of mind you need to make informed decisions. Don’t let suspicion or doubt consume you.
Questions people ask
What Should I Do If I Suspect My Spouse Cheating?
If you suspect your spouse of cheating, you can contact a private investigator in Singapore to conduct a cheating spouse investigation.
Will My Partner Know If I Hire A Private Investigator?
Private investigators in Singapore conduct investigations discreetly and with the utmost confidentiality, so your partner is unlikely to know if you hire one.
How Can Private Investigators In Singapore Help With Corporate Investigations?
Private investigators in Singapore can help with corporate investigations by conducting background checks, due diligence, and fraud investigations.
Can Private Investigators In Singapore Investigate Online Activities?
Yes, private investigators in Singapore can investigate online activities using specialised software and techniques.