11 Best Private Investigators In Singapore You Want To Hire [2023]

Hire the best private investigator in Singapore to help you access the information that you need to make important decisions in life

Singapore Business Owners


First Published:
Family & Relationship

A private investigator licensed by Singapore Police Force might not just be involved in catching criminals. Their work requires them to gather information for clients of diverse backgrounds.

For instance, if you are looking at forming a business partnership, you can hire private investigators in Singapore to conduct a thorough background check on your potential partners for any possibility of dishonesty.

A private investigator in Singapore can also help with your personal matters. These could be either finding a missing person or finding out whether your partner is having adultery behind your back.

In this post, we’ve gathered all the necessary details including unraveling reviews and testimonials to derive a list of the 11 best private investigators in Singapore.

1. International Investigators

11 Best Private Investigators In Singapore You Want To Hire [[year]] 1
Photography from International Investigators

With more than 30 years experience of in providing a certified and trusted service, International Investigators aim to provide clients with the evidence they need to take the next step in their professional or personal life.

International Investigators provide private investigation services which comprise commercial cases, family/matrimonial cases, and local/overseas cases. On top of that, they also provide in-house family counseling and legal counsel.

International Investigators is an exclusive partner of Singapore Legal Advice. They are also a certified member of the Council of International Investigators (USA) and the World Association of Professional Investigators. They have appeared on various media platforms such as Mediacorp and Singapore Press Holdings (SPH).

Type of Information Details
Websitehttps://www.intlpi.com/
Services– Commercial cases
– Family/Matrimonial cases
– Local/Overseas cases
– In-House Counselling/Legal Counsel
Address60 Albert Street
#08-06, OG Albert Complex
Singapore 189969
(Bugis MRT)
Email (For Enquiry) [email protected]
Contact NumberHelplines:
+65 6337 6608
+65 6337 9608

Expats Hotline:
+65 6734 3809
Operating HoursMonday – Friday:
10 am – 6 pm (Appointments only)

Saturday – Sunday
Appointments only
Online Reviews“Great service from the PI Joe. Never say die attitude, even with limited information he was able to do his best to deliver great results. Excellent response time, before work begin, Joe give me a good understanding of his work and courteously explain to me his task & schedule. I highly recommend engaging them for PI service.”

25 Google reviews (Average rating: 3.4 / 5.0 stars)

2. Privateye

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Photography from Privateye

Privateye is a one-stop private investigation and consultancy service. With their combined military and police background, coupled with human behavioral and psychological analysis, they are dedicated to being strategic, and professional and upholding confidentiality when taking up their client’s cases. Being client-centric is at the core of their values.

Privateye offers a full suite of affordable private investigation services which comprises of commercial investigation, matrimonial investigation, digital forensics, key personnel background checks, workman compensation claims investigation as well as general investigation and surveillance services.

Privateye’s systematic approach towards all their tasks has helped them attain numerous awards such as the Commander’s Award by the Commander of Police Division and the Director CID Award by Director CID.

Type of Information Details
Websitehttp://www.privateye.com.sg/
Services– Commercial investigation
– Matrimonial Investigation
– Digital forensics
– Key personnel background checks
– Workman compensation claims investigation
– General investigation and surveillance services
Address60 Paya Lebar Road
#12-41, Paya Lebar Square
Singapore 409051
(Office Lobby 2)
Email (For Enquiry) [email protected]
[email protected]
[email protected]
Contact Number+65 6386 2010 (Office Number)

+65 90465299 (Jeffrey)
+65 93284235 (Sherman)
+65 98801892 (Ms Joey)
Operating HoursOpen 24 Hours
Online Reviews“A big thank you to Jeffery & his team for not only professional, dedicated but also care about their client. They are so experience and that helps the service to work within budget and the task was fulfilled even before my expected time frame.
Good job !”

57 Google reviews (Average rating: 4.4 / 5.0 stars)

3. SK Investigation Private Limited

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Photography from SK Investigation

SK Investigation is the leading private investigator in Singapore with more than 30 years of experience. They have a strong network of more than 3000 professional members in over 10 countries.

Equipped with specialized investigation skills and surveillance technology, SK Investigation carries out their work with careful deliberation. They provide a full range of private investigation services such as overseas assignment and overseas operations, corporate investigation and business intelligence as well as employee fraud.

Their professionalism has gained several awards and accreditations such as the Top 200 Outstanding Organisation in 2011 In South East Asia, Top 100 Successful Awarded the Entrepreneur Year 2010 (Platinum Category) – Singapore as well as an accreditation presented by Head Licensing of Singapore Police Force.

Type of Information Details
Websitehttp://sk.com.sg/
ServicesServices listed on the site
http://sk.com.sg/services/
Address511 Guillemard Road
#01-31, Grandlink Square
Singapore 399849 
Email (For Enquiry) [email protected]
Contact Number+65 6440 4683 (Office Number)
Operating HoursOpen 24 Hours
Online Reviews“I needed to investigate a private matter on a rush notice.I called them on a Friday and by Monday morning I had all the information I needed and more. The report was very detailed, informative and definitely more than I expected. The price was very reasonable and actually lower than 2 other quotes obtained.
Very highly recommended if you need something investigated fast. No nonsense, Quick and to the point, you can’t go wrong with this agency.”

15 Google reviews (Average rating: 4.7 / 5.0 stars)

4. Baker Street Private Investigator

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Photography from Baker Street Private Investigator

Baker Street Private Investigator, which is licensed by the Singapore Police Force, has been in the field of private investigation for several years. Their team consists of well-trained private investigators who are adept in corporate and private investigative work. In order to obtain the best results for their clients, they use modern tools and equipment and exercise detail orientation in their work.

Among the wide range of private investigation services they provide are general surveillance, legal, matrimonial and commercial investigation. With their investigation techniques being in line with the Singapore Police Force and Central Narcotics Bureau, you can be assured that all their private investigation work is kept private and confidential, known only to you and them.

Type of Information Details
Websitehttps://bspi.sg/
Services– General surveillance
– Legal investigation
– Matrimonial Investigation
– Commercial investigation
Address1 North Bridge Road
High Street Centre
Singapore 179094
Email (For Enquiry) [email protected]
Contact Number+65 6970 9701
+65 9068 6920
Operating HoursOpen 24 hours
Online Reviews“I have nothing but glowing praise for the team, who worked tirelessly round the clock to investigate a case that I had them on. During engagement, they showed resilience both physically and mentally, and also proved to be quick-witted in overcoming numerous obstacles in the midst of the investigation. Thumbs up, BSPI! Highly recommended!”

1 Google Review (Average rating: 5.0 / 5.0 stars)

5. DP Quest Investigation Consultancy Pte Ltd

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Photography from DP Quest Investigation Consultancy

Established in 2005, DP Quest Investigation Consultancy Pte Ltd pledges to carry out their client’s work with honesty, promptness, attentiveness, hard work, and discreetness. They consist of a team of experienced and licensed private investigators with law enforcement backgrounds using the latest surveillance technology to carry out their investigation works.

DP Quest provides a wide range of private investigation services, consisting of adultery, family, commercial, digital forensics, technology, and lawyer support.

DP Quest received Singapore’s Outstanding Enterprise Award in 2011 for their commitment to service excellence. They are one of the private investigators in Singapore that has obtained the ISO 9001-2000 certification for its ability to maintain defined quality standards.

Type of Information Details
Websitehttps://www.dpquest.com/
ServicesServices listed on the site
https://www.dpquest.com/ourservices/
Address261 Waterloo Street
#02-17
Singapore 180261
Email (For Enquiry) [email protected]
Contact Number+65 6333 3315 (Office)
+65 6334 4889 (Female)
+65 6333 3398 (Male)
+65 9450 4830 (WhatsApp/SMS)
Operating HoursOpen 24 Hours
Online Reviews“Thank you DP Quest ! Else, I would had wasted tons of money.
Was feeling weird on how the negative reviews came about ??
Wild guess, must be from the competitors”

22 Google reviews (Average rating: 3.6 / 5.0 stars)

6. CDiC Consultants LLP

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Photography from CDiC Consultants

As a licensed and authorized detective agency and investigation company, CDiC Consultants LLP adheres to a strict code of conduct that ensures the confidentiality and protection of all your privileged information, and their team only deploy resources equipped with the prerequisite credentials to successfully undertake your project.

The investigation company offers services that cover human resources, product proprietary information, family matters, and all aspects of business transactions and operations.

CDiC Consultants LLP is committed to providing clients and partners with the best service in the industry. That’s why they maintain a consistently high level of professionalism through constant training, learning, and upgrading of skills.

Type of Information Details
Websitehttps://www.cdic.com.sg/
Services– Commercial investigation
– Digital investigation & computer forensics
– Intellectual property (IP) investigation
– Matrimonial & family-related investigation
– General investigation & litigation support
Address164 Bukit Merah Central
#04-3645
Singapore 150164
Email (For Enquiry) [email protected]
Contact Number+65 6377 2723
Operating HoursOpen 24 Hours
Online Reviews2 Google reviews (Average rating: 5.0 / 5.0 stars)

7. Detective Don PI Private Limited

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Photography from Detective Don PI

Detective Don PI Pte Ltd is the largest and oldest traditional Private Investigator international company in Singapore. The company’s core competencies have been passed down three generations, where its founders and partners consist of ex-military, ex-police officers, and Japanese Investigators, providing professional training and quality services to their clients.

Detective Don’s free consultation helps confused clients structure their problems and inquiries, even rejecting a few prospective clients when they do not truly require a Private Investigator. Being multilingual, each case and client is carefully accessed and given professional advice efficiently. Rather than simply offering cheap inferior services, they will do their utmost to help their clients, sometimes even going beyond client’s budget.

Detective Don specializes in several services ranging from background investigation, child custody cases, corporate/business, fraud investigations, and insurance fraud, to missing persons. Being the founder and creator of catching cheating spouses, they specialize in matrimonial/infidelity cases and surveillance services. However, do take note that due to their private and confidential policy, the company strictly accepts engagement through appointments only.

Type of Information Details
Websitehttps://detectivedonpi.com/
Services– Commercial investigation
– Matrimonial/Infidelity investigation
– Key personnel background checks
– Workman compensation claims investigation
– General investigation and surveillance service
– Child custody cases
– Corporate/business
– Fraud investigation
Address111 Macpherson Rd
Singapore 348502
Email (For Enquiry) [email protected]
Contact Number+65 8810 0981
Operating HoursOpen 24 Hours
Online Reviews“Cost is not the issue for me as long is good and efficient. Engaged a few PI companies previously but were no good. Fortunately this one came out on top. You get what you pay for, worth every penny for me.”

46 Google reviews (Average rating: 5.0 / 5.0 stars)

8. Acestes Pte Ltd

11 Best Private Investigators In Singapore You Want To Hire [[year]] 8
Photography from Acestes

Acestes Pte Ltd was founded in 2014 with the business mission of building a safer and better world through their security and investigation services and solutions.

Introducing their Private Investigation services! Their investigation license from PLRD (Police Licensing Regulatory Department) and their expertise enabled them to investigate dubious cases and achieve breakthrough results.

On top of that, they are also equipped with the latest technology and gadgets to look into special investigation cases and even conduct surveillance.

Type of Information Details
Websitehttps://acestes.sg/private-investigation/
Services– Surveillance
– Personal background checking
– Matrimonial check
– Commercial investigation
– Financial background checking
– Personal conduct checking
– Bride / bridegroom background check
– Due diligence checks
– Locate missing person
– Theft investigation
– Employee background check
Address47 Kallang Pudding Rd, #07-06, 
Singapore 349318
Email (For Enquiry) [email protected]
Contact Number+65 6538 1254 / 1255
Operating HoursMonday to Friday 
9am to 6pm

Saturday 
9am to 1pm
Online Reviews“This letter is penned to Acestes Pte Ltd for the excellent professional service rendered. Your meticulous effort to uncover substantial evidence has shown your valuable experience in business. ..I am satisfied that light can come through at the end of the tunnel, with your brilliant guide in place. I am sincerely appreciative deep down inside, and no amount of words can shown my gratitude.”

71 Google reviews (Average rating: 4.6 / 5.0 stars)

9. Kokusai Security Pte Ltd

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Photography from Kokusai Security

Founded in 1984, Kokusai Security started out with a group of public officers who have experience in police and armed forces training. Today, the agency is filled with the most qualified and professionally trained private investigators at your service to provide you with reliable factual information to help you make an informed decision. They have also been graded ‘A’ (Excellent) by the Singapore Police Force.

With over a hundred perfect reviews, clients praised them for their professionalism, responsiveness, and quality of investigation. Kokusai provides various private investigation services such as general surveillance, matrimonial matters, and commercial-related cases.

Kokusai is especially experienced in handling family matters so if you are in need of a counseling session, they are readily available for you.

Type of Information Details
Websitehttps://catchcheatingspouse.sg/
ServicesServices listed on the site
https://catchcheatingspouse.sg/private-investigation-services.html
Address111 North Bridge Road
#08-15, Peninsula Plaza
Singapore 179098
Email (For Enquiry)[email protected]
Contact Number1800 – 339 9001
+65 6292 9293
+65 6337 3377
Operating HoursOpens 24 Hours
Online Reviews“I highly recommend Kokusai. I looked for Dr Magnum after reading the good reviews and they are true. Dr Magnum works very hard for my case. He even respond at the wee of the night on the progress of the case. His price is fair. He charge what I can afford and he puts in extra effort in to the case even though I did not pay as much. Dr Magnum is also very caring man. He gives his personal advice and provides a listening ear when I was at my lowest point. I recommend Kokusai to anyone who is looking for a Pl.”

110 Google Reviews (Average rating: 4.9 / 5.0 stars)

10. Ace Private Investigations Pte Ltd

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Photography from Ace Private Investigations

Whether it is a background check or a custody fight, you will always need the best private investigator to gather evidence in court and help you with your case as the evidence provided determines who wins the case.

If you are someone looking for a place where you can find a good investigator, Ace Private Investigations Singapore is the ideal choice for you.

Their advanced services, and top-skilled professionals, are extremely good at looking into the most critical family or business situations and providing the best private investigation that Singapore can have.

Type of Information Details
Websitehttps://acepi.com.sg/
Services– Commercial private investigation
– Child custody investigations
– Adultery investigation
Address390 Victoria Street #03-17 Golden Landmark 
Singapore 188061
Email (For Enquiry) [email protected]
Contact Number+65 6491 1005
Operating HoursOpen 24 Hours
Online Reviews“Im very happy with their service. Patient and Professional. The boss was accommodating to all my questions. Very reasonably priced. Fast results too. My case was tough but thanks to them, its successful. Thank you!”

15 Google reviews (Average rating: 5.0 / 5.0 stars)

11. Asia Top Investigation LLP

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Photography from Asia Top Investigation

Asia Top Investigation LLP is a results-driven, cutting-edge, full-service Private Investigation Agency, and over the years, they have built up a solid reputation based on integrity, quality, and experience.

Asia Top Investigation is helmed by Vincent Tan who is a certified International Private Investigator by the Council of International Investigator in 2011. He was awarded Asia Top Investigator by the American Biographical Institute in May 2012. This accolade recognizes Vincent Tan’s expertise in handling sophisticated matrimonial investigations. Over the span of his 25 years in the private investigation field, he has solved thousands of cases, including several high-profile cases, giving his clients peace of mind.

He started his Private Investigation career with an International Private Investigation Agency under Mr. Lionel Chee (former Assistance Commissioner of Police) and Mr. Daniel A. Grove, who opened the first Federal Bureau of Investigation (FBI) office at the American Consulate in Hong Kong as well as Mr. Martin Soh, former Corrupt Practices Investigation Bureau (CPIB).

Type of Information Details
Websitehttps://www.asiatopinvestigation.com/
Services– Matrimonial investigation
– Commercial investigation
– Digital forensics
– General investigation & litigation support investigation
Address31 Rochester Drive
Level 24-Suite 1, Park Avenue Rochester
Singapore 138637
Email (For Enquiry) [email protected]
Contact Number+65 8820 0007
Operating HoursOpen 24 Hours
Online Reviews“The experienced and dedicated team at Asia Top delivers quality results exceeding expectations. Vincent and Steven are super passionate, totally committed and always putting their best foot forward. A BIG thank you for going the extra mile, your kindness and professionalism! Highly recommended 👍🏼👍🏼”

64 Google reviews (Average rating: 4.9 / 5.0 stars)

FAQs About Private Investigator

Is private investigator legal in Singapore?

As illegal as they may seem, yes it is completely legal to hire a Private Investigator in Singapore.

Private investigators are legally required to undergo training and hold licenses issued by the Singapore Police.

As a result, a PI will be able to advise the client as to the legality of the methods used in the investigation as required by their clients.

Therefore, it is advisable to look for a reliable private investigator and be approved by the Singapore Police Force.

What is the difference between a private investigator and a private detective?

A private investigator is someone who is hired by a private individual or a private business to provide surveillance and gather information on a person, place, or business. They are often hired to find a person and return them to their owner.

A private detective, on the other hand, is hired by a law enforcement agency, such as the police. They work in a professional capacity and are a type of investigator that provides support to law enforcement officials.

What can private investigators do in Singapore?

Private investigators are licensed to:
– Gather, compile, and transcribe information from interviews with individual persons, groups, organizations, or institutions
– Investigate, find, and recover information related to crimes
– Recover stolen property
– Facilitate compliance with laws and government regulations

How much private investigator cost in Singapore?

Private investigator costs in Singapore can vary greatly depending on what you need. A basic hourly rate is $200-250.

11 Best Private Investigator Summary

In conclusion, private investigators offer a valuable service in the pursuit of truth. They are skilled professionals who are trained in the use of sophisticated tools and techniques to uncover evidence and get to the bottom of a case.

From criminal investigations to private matters, a private investigator can be a valuable asset to any investigation. With the right research and preparation, a private investigator can be a great asset to any person or organization in need of assistance.

We hope that this guide will be useful in helping you to make an informed decision when it comes to finding the best private investigator in Singapore.

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