If you are an avid drama lover, you would probably have a stereotypical impression of private investigators. You may think that they are people who work out of a dimly lit office with stacks of documents piled up on their tables. Contrary to popular belief, private investigators do not only investigate criminal activities! They provide many other services for you to discover more information about things.

For example, if you are planning to start a business and require a background check of a company, a private investigator can help you! They can run background checks and unearth information about the company. This could save you a lot of trouble (and money) in the long run!

Today, we explore the best private investigators that are available at your service here in Singapore! So, just take your pick and choose one that best suits your needs!

1. Ranger Investigation & Security Services

Ranger Security's Logo
Image Credit: Ranger Security


  • Established since 1986
  • Innovative practices
  • Wide range of services

Ranger Investigation & Security Services has been providing their clients with specialized services in security and investigation in Singapore since 1986. The company is currently helmed by the second generation of the Lim family. The young team injects transformative elements as well as re-engineers its business processes to open up new offerings relevant to the needs of the current marketplace. However, the company still remains rooted in its tradition of integrity and honesty.

The company is also equipped with a team of experts on modern systems that will protect your corporation from any harm. So, you can depend on them to build innovative methods for more successful investigations. In addition, the team seeks to continuously improve their processes and use of technology to serve their clients professionally and efficiently.

So, if you are looking for a private investigator for Commercial, Litigation Support, Individual/Domestic, as well as Matrimonial services, be sure to check them out!

Address808 French Road, #07-183 Kitchener Complex, 200808
Contact Information+65 6296 9582
Business Hours24 hours, daily

2. AK Global Investigation PTE LTD

AK Global Investigation PTE LTD's Logo
Image Credit: AK Global Investigation


  • Customized methods for each case
  • Extensive experience
  • Emphasizes on confidentiality

AK Global Private Investigation is a professional detective agency based in Singapore. The company is made up of a team of highly trained as well as experienced private investigators who are in the field of private investigation and corporate investigation.

The company is licensed by the Police Licensing & Regulatory Department (PLRD) of the Singapore Police Force. They have worked with various government agencies as well as organizations. Therefore, you can rest assured knowing that the team has broad and extensive experiences in dealing with challenging cases!

In addition, AK Global Private Investigation strongly emphasizes confidentiality for all clients and cases. Evidence will not be shared with anyone who is not directly involved in the case. Your information will not even be disclosed to their own staff who are all guided with the highest code of conduct and ethics!

Also, if you are looking for a firm that provides customized services, AK Global Private Investigation is a great option. They believe that all cases are special and their methods will be customized for the best results!

Address5001, #07-52 Beach Rd, Golden Mile Complex, 199588
Contact Information+65 6222 7227
Business Hours24 hours, daily

3. Private Eye Investigation & Consultancy

Private Eye's Logo
Image Credit: Private Eye Investigation & Consultancy


  • Client-centric
  • Professionally certified investigators
  • Upholds confidentiality

Private Eye Investigation & Consultancy Pte Ltd is one of the top private investigators in Singapore. The agency is born out of a passion to reveal truths. They believe that when private investigators help you to uncover real facts, you can make the right choices in crucial moments.

The client-centric agency also understands that every case means the world to each client. Therefore, they will listen to your concerns attentively as every case is different and unique. They also value your trust and believe that upholding confidentiality is a given. This mutual trust is a pre-requisite before they even take on your case!

With their combined military and police background, coupled with human behavioral and psychological analysis, you can be assured every task is well-strategized before execution. In addition, the team at Private Eye Investigation & Consultancy takes pride in what they do and performs all of their tasks professionally. They respect the situations that you are going through and will act only in your best interest to achieve the best outcome!

Address60 Paya Lebar Road #12-41 Paya Lebar Square (Office Lobby 2) Singapore 409051
Contact Information+65 6386 2010 | +65 9046 5299 (Jeffrey) | +65 9880 1892 (Joey)
Business Hours24 hours, daily

4. DP Quest Investigation Consultancy

DP Quest Investigation Consultancy Pte Ltd's Homepage
Image Credit: DP Quest Investigation Consultancy


  • More than a decade of experience
  • Award-winning team of investigators
  • Quick and efficient results
  • Able to choose the gender of consultant

Founded in 2005, DP Quest Investigation Consultancy Pte Ltd is a Singapore-based private investigation firm. The firm has successfully conducted hundreds of personal as well as business-related investigations in Singapore and overseas.

The company is made up of an award-winning team of licensed private investigators in Singapore. All of their seasoned and licensed private investigators also come with a law enforcement background. Whether you head to them for matrimonial, commercial, civil, or cyber matters, the team at DP Quest Investigation Consultancy will handle your case with professionalism and dedication.

In addition, because the team understands that you cannot afford to waste time or money, they make sure to apply professional expertise and technology to produce quick results for you. With their extensive experience in criminal as well as commercial investigation and the latest surveillance technology, you can rest assured that the team will help you to get results!

For those of you who are particular about credentials, DP Quest Investigation Consultancy is one of the private investigation firms in Singapore that has obtained the ISO 9001-2000 certification for its ability to maintain defined quality standards. This certification means clients can expect consistent performance as well as service from the firm.

So, whether you are looking for services with regards to adultery investigation, fraud checking, teenager surveillance, or computer forensics, this firm has got you covered!

Address261 Waterloo Street #02-17 Waterloo Centre Singapore 180261
Contact Information+65 9450 4830 | enquiries@dpquest.com
Business Hours24/7, daily

5. International Investigators

International Investigators' Logo
Image Credit: International Investigators


  • Affordable rates
  • In-house family counselor available
  • Large clientele

International Investigators is known to be one of the best and cost-effective private investigators in Singapore. The agency has an in-house family counselor as well as legal counsel to cater to the additional needs of their clients. In addition, the team at International Investigators strongly believes in good business ethics and having a long-term relationship with their associates and clients. So, you can expect top customer service from them!

Licensed by the PLRD (Police Licensing & Regulatory Department) of Singapore, International Investigators Pte Ltd is formed by a team of professional and passionate private investigators. These investigators have vast experience in commercial and matrimonial cases in Singapore. As a certified member of the Council of International Investigators (USA) and the World Association of Professional Investigators (UK), International Investigators has an extensive worldwide network. This facilitates their local as well as overseas assignments.

In addition, their private investigators have been thoroughly trained and equipped with relevant skills and knowledge to serve clients in the best way possible. Furthermore, they remain committed to providing transparent costs and no hidden fees or charges.

Some of their past investigative works were covered by various media such as MediaCorp, Singapore Press Holdings, Women’s Weekly, Crime & Investigation Network, as well as Discovery Channel, and more!

For those who are looking specifically for a private investigator for a cheating spouse, this company has a “Catch Cheating Spouse Division”, CS Intl, led by a Veteran Lady Detective with more than 30 years of experience! Find out more at catchcheating.com.sg

Address60 Albert Street #08-06, OG Albert Complex (Bugis/Rochor MRT) Singapore 189969
Contact Information+65 63376608 |+65 63379608
Business Hours8.00 am to 11.00 pm, daily

6. Asia Top Investigation LLP

Asia Top Investigation LLP's Homepage
Image Credit: Asia Top Investigation LLP


  • 45 years of experience
  • More than 60 certified private investigators
  • Cost-effective methods
  • Integrates Artificial Intelligence
  • First consultation free

Asia Top Investigation LLP is a company with 45 years of experience. They make use of Artificial Intelligence to provide you with one-stop professional investigation services. The company believes in attracting top talent who are best in their expertise, ethical at all times, as well as professional when conducting investigations.

Therefore, all of their private Investigators are well trained in operating the latest evidence gathering equipment. With their interrogation expertise as well as a commitment to your privacy, you can rest assured that your case remains absolutely confidential with this agency.

During your consultation, an Asia Top Investigation LLP’s case manager will listen and analyze your case thoroughly to provide the most suitable and cost-effective method to conduct the investigation. In addition, you will be kept updated on the progress of the investigation with daily updates and a detailed report will be submitted upon conclusion of the investigation.

Address#04-3639 Blk, 164 Bukit Merah Central, Singapore 150164
Contact Information+65 96511969 | vt@asiatopinvestigation.com
Business Hours24 hours, daily

7. SK Investigation Services

SK's Logo
Image Credit: SK Investigation Services


  • Established since 1988
  • Award-winning agency
  • Strong track record

SK Investigation Services is an agency that has been providing Professional Private Investigation Services in South East Asia for the last 30 years. With the trust and support from their clients, the agency has continued to expand their business and extended their services to the United States of America as well as Europe!

The team at SK Investigation Services will undertake all kinds of cases to help everyone in all walks of life. Their investigation strategy planning is extremely careful as well as detailed. So, you can trust that they will be able to achieve crucial evidence within a short time frame.

In addition, the agency has a strong track record as well as a high solving case rate of 98%. This means that the agency has consistently delivered satisfactory results for each of its clients in all aspects.

The agency is also proud to be the only private investigation firm in Singapore to be awarded with the “Top 200” Outstanding Organization 2011 in South East Asia. They were also awarded the “Top 100” Successful Awarded Entrepreneur Year 2010 (Platinum Category-Singapore)!

Address511 Guillemard Road #01-31 Grandlink Square Singapore 399849
Contact Information+65 9119 0139
Business Hours9.00 am to 10.00 pm, daily

8. Baker St Private Investigator

Baker Street Private Investigator Singapore - Home | Facebook
Image Credit: Baker St Private Investigator


  • 24 hours, daily
  • Makes use of modern technology
  • Professional team of investigators

Baker St Private Investigator is a private detective agency that offers different types of investigative services all over Singapore. The team is made up of highly skilled as well as experienced detectives. These detectives are strong enough to handle hostile situations and smart enough to work in tricky circumstances. They also know how to collect evidence and how to utilize them to solve a case and present the final scenario to the clients.

The agency has been serving the industry of private investigation in Singapore for several years. Their expert investigating professionals are always ready to go to the extremes to gather proof for the clients. They leave no stone unturned when it comes to investigating a case to find the truth!

In addition, the professionals will make use of all the modern tools and techniques to solve individual cases and pay equal attention to all of them. Their services are also available 24 hours daily, which simply means that they are available round the clock.

Address1 North Bridge Road, #01-02, High Street Centre, Singapore 179094
Contact Information+65 9068 6920 | enquiry@bspi.sg
Business Hours24 hours, daily

9. Integrity Investigation Singapore

Integrity Investigation Services cover photo
Image Credit: Integrity Investigation Singapore


  • Able to investigate cases outside of Singapore
  • Cost-effective
  • Excellent customer service

Established in 2008, Integrity Investigation Services was incorporated by a former police officer. The ex-police offer has vast experience in the work of surveillance, intelligence gathering as well as criminal investigation during his service with the Singapore Police Force.

Over the years, the agency has helped many corporate, as well as individual clients, obtain the evidence that has given them the ability to make informed decisions and achieve absolute peace of mind. The company’s reputation is built on its complete discretion and cost-effectiveness. This is achieved through the use of the most advanced techniques and some of the most highly experienced Private Investigators in Singapore and overseas. In addition, they provide excellent customer service and after-sales support.

Every detective or private investigator employed by Integrity Investigation also has a high degree of integrity and discipline. Their backgrounds are vetted by Police Licensing & Regulatory Department. They also undergo intensive in-house and on-job training to ensure that all investigations are conducted professionally with a high degree of integrity.

They only utilize the latest surveillance equipment available so as to provide clients with quality evidence. Although they are based in Singapore, Integrity Investigation is also well equipped to conduct investigations globally!

AddressNo. 60 Paya Lebar Square #08-49 Paya Lebar Square Lobby 2 Singapore 409051
Contact Information+65 97105999 | enquiries@integrity.sg
Business Hours24 hours, daily

10. Spy Singapore

Private Investigator Singapore l Spy Singapore
Image Credit: Spy Singapore


  • Excellent business ethics
  • Wide range of services
  • Services used by lawyers to gather evidence for cases

Spy Singapore is a private investigation company in Singapore that provides comprehensive as well as professional private investigation services. They provide their services primarily in Singapore and in the Asia Pacific Region. The company is made up of a team of responsible, reliable as well as trustworthy private detective agents. They offer matrimonial investigation or family cases, commercial investigations, as well as overseas investigations.

Founded in early 2000, the company is licensed by the PLRD (Police Licensing & Regulatory Department) of the Singapore Police Force. To date, they have handled more than 10,000 cases and have provided strong evidence in a number of cases. The team also practices excellent business ethics and provides great customer service to all of its clients.

Their core team is very well-versed as well as professional in the private investigation industry. A number of lawyers use their private investigation services to help them with securing concrete evidence for their cases. So, you can be sure that you will be getting high-quality services with Spy Singapore!

Address101 Upper Cross St, #04-03, Singapore 058357
Contact Information+65 9182 0231
Business HoursMonday to Friday: 8.30 am to 5.30 pm

Private investigators do not just work on criminal activities. They provide a wide variety of services that you can tap on for your business or personal needs. So, if you are looking for some of the best private investigators in Singapore, be sure to keep those mentioned in this list in mind!

In addition, if you are looking for more services for your business needs, check out our article on the best digital marketing agencies in Singapore here!