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Asia Top Investigation

Why Engage Asia Top Investigation?

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Competitive Price

Competitive Price Within Our Professional Category Level That Specialises In Matrimonial & Commercial Investigations


High Success Rate

Asia Top Investigation has achieved an industry-leading high success rate in local and overseas private investigations cases. With our worldwide resources and credible databases, we are one of the Top Private Investigation agencies in Asia


Handled More Than 10,000 Cases

Awarded Asia Top Investigator in 2012 with a combined investigation experience of 45 years between the 2 partners.


Highly Trained

Personally trained under Ex-Police Asst. Commissioner, Ex-FBI Agent, Ex-CPIB Officer In 3 types of investigation techniques.

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Latest Evidence-Gathering Technology

Asia Top Investigation uses the latest evidence-gathering technology with our trained Investigators in the art of covert operations.

Welcome To Asia Top Investigation LLP


Licensed by the Singapore Police Force: L/PS/000016/2020


Meet Singapore Based Private Investigator, Vincent Tan

Vincent Tan has undertaken more than 10,000 cases since 1990.

He was certified as an International Private Investigator by the Council of International Investigators in 2011 and awarded Asia Top Investigator by the American Biographical Institute in May 2012.

These accolades recognize Vincent Tan's expertise in handling sophisticated Matrimonial Investigations. Over the span of his 25 years in private investigation. He has since 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).

Vincent is partnered with Steven, who has trained more than 60 private investigators in the art of surveillance, locally and internationally. Over Steven's 20 years of career as a private investigator, he has solved several high-profile cases reported in the local media and has built a reliable network around the world.

His field experience coupled with the ability to handle the latest evidence-gathering equipment makes him an asset to Asia Top Investigation LLP.

How ATI Is Different

When you hire Asia Top Investigation, you are assured that all our private investigators are licensed by the Singapore Police Force (SPF).

Our investigators are highly trained in the art of surveillance and have developed the skills, knowledge, and experience in this field.

ATI's founding partners have a combined experience of over 45 years of conducting investigations locally and internationally with a good understanding of the relevant laws that they abided by.

They are equipped with the skills and know-how to find key information efficiently and legally, and are well versed in cultivating sources using OSINT to find information. Most importantly we assured all our clients of absolute confidentiality.

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Inspiring Story Of A Private Investigator

"A Unique Private Investigator Who Catches Cheating Spouses And
Then Advise His Clients On How To Save Their Marriages"

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Our Story

"Singapore Top Private Investigator"

Asia Top Investigation LLP combines Artificial Intelligence with 45 years of technical and Private Investigation experience to provide you with these one-stop professional investigation services.

For outstanding contributions in the field of Matrimonial Investigation, Private Investigator Vincent Tan was awarded a diploma on 5 January 2012. This accolade recognizes Vincent Tan's expertise in handling sophisticated Matrimonial Investigations.

We believe in attracting top talent who are best in their expertise, ethical at all times, and professional when conducting investigations. To synergize our international network throughout the years, we have taken a systematic approach to our oversea Private Investigator.

Chat with us to find out more about how we can help solve your case now!

Featured In...

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We are listed on more than 10 independent websites as one of the

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Singapore Best Private Investigators | Matrimonial

We have zoomed into the 2 best private investigators in Singapore who specialize in Matrimonial Cases and are well trained in Surveillance Skills

1. Asia Top Investigation LLP

Singapore Best Private Investigator
BIS Private Investigator
BIS Private Investigator
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Product Nation Private Investigator
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This is the lowest point in my life when I found out that my partner is cheating on me but I am lucky that I have engaged your services. Not only did your team had done a good job, but your frank advice and support are very helpful to me. Thank you, Vincent

M.L. Lim

I greatly appreciate the work that you did. Before engaging you, I was depressed every day suspecting that she was seeing someone else for the past 6 months. After the surveillance with those clear evidence, I can now confirm my suspicion and make a decision. Thank you so much Asia Top Investigation for helping me!

Yap Eg

I was lost when I suspected that my spouse was seeing someone secretly. I called a few agencies and decided to engage Asia Top Investigation. I spoke with Vincent Tan and not only begin helpful, but he also helped me in my case by giving me a few options and costs. He handled my case very professionally and updated me regularly.

Hong Nguyen

I am so impressed with Vincent Tan when he handled my case. This agency is outstanding and the cost was very reasonable. They were quick, professional, and precise in the information that they gathered. Most importantly, they are very discreet.

Choon Nam Tan

My company has been using Asia Top Investigation's services a few times. This company is very professional and its investigators are highly skilled. Most importantly they keep clients' information in strict confidentiality.

Sufang Xiang

I am really impressed that you are able to organize a team at very short notice and dispatched for an overseas assignment. Please thank Christine and her team for their super excellent work

Chris Te

Vincent, I just wanted to show my appreciation that your agency is indeed very professional in handling my case. You show great passion and commitment. I now understand why there are so many good reviews.

Raymond Teo

Asia Top Investigation provides very good service and advice to me. Their follow-up was very prompt and dedicated. They helped me to discover and understand the underlying truths through their investigations. Thank You!

Sammy Chew

This is a very professional company, run by very experienced professionals. They deliver the required case in a very detailed and well-investigated manner.


It is tough to engage a reliable private investigation agency. I am glad that I have made the right choice. Your live updates have helped me a lot and the report that I received was well done.

Andrew Lee

Thank you Steven for the job well done. Send my appreciation to Christine and her team for the hard work and long hours during the festive season. A Happy New Year 2022!

Taylor T.

Thank you Asia Top Investigation for your help. Although I just know you guys through Google Search Engine, I am happy with your agency services and fast response. The evidence that you have gathered is very important to me.

Lily Yip

Our Accolades

With more than 30 years of experience in the local and international private investigator industry, Vincent Tan of Asia Top Investigation LLP has won various recognition and accolades as one of the best private detectives in the world.

World Association of Professional Investigators

World Association of Professional Investigators

in 2010 (Vincent Tan)

World Associate of Detectives, Inc

World Associate of Detectives, Inc

in 2013 (Vincent Tan)

Best in Singapore Badge

Best in Singapore Badge

in 2020

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Singapore Best Private Investigators Listing

in 2021

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BARK Certificate of Excellence

This award will recognise the best professionals on Bark who offer an outstanding service to their customers, helping them get ahead of the competition.

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Best in Singapore Featured

in 2021

Asai Top Investigation

Top Artificial Intelligence Company
in 2020

Asia Top Investigation Awards 2021

Singapore Business Owners
in 2021

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Featured On Product Nation
in 2021

Asia Top Investigation Featured on

Featured On
in 2021

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Trusted & Verified Badge
in 2021

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MoreBetter Featured

in 2022

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Diploma in Criminal, Domestic, Insurance, Skip Trace Investigations

in 28 January 1998

Vincent Tan  Certified International Investigator

Vincent Tan  Certified International Investigator

in 2011

Vincent Tan Awarded Asia Top Investigators in 2012

Vincent Tan Awarded Asia Top Investigators
in 2012

Vincent Tan Awarded for Outstanding Contributing in the field of Matrimonial Investigation

Outstanding Contributing in the field of Matrimonial Investigation
in 2012

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National Association of Investigative Specialists Certificate of Appreciation
in 1998


Cost-Effective Services Provided By Asia Top Investigation

Artificial Intelligence PI

We believe in solving your cases with the most efficient and cost-effective method. By reducing unnecessary investigations, and using Artificial Intelligence ( A.I. ) technology to reduce the cost of investigations without compromising the quality of the case.

Asia Top Investigation LLP believes in attracting top talents who are best in their expertise when conducting Investigations. All our private Investigators or Private Detectives are trained to operate the latest covert evidence gathering equipment to bring our clients quantitative results with facts and evidence.

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Combining Artificial Intelligence (AI) with Private Investigation (PI)

We equip our licensed Private Investigators with the latest in A.I. technology to produce quality and accurate reports for every case.


Licensed by the Singapore Police Force: L/PS/000016/2020

Asia Top Investigation LLP

We are constantly looking for new candidates to join our team as Private Investigators.
These individuals must meet the following criteria:

1. Pass the WSQ course "Perform investigation activities in compliance with legal requirements"

2. Poses a valid Private Investigator Licence

3. Sign an undertaking of a confidentiality agreement to protect our client's information.

4. Must have at least 5 years of Police or Private Investigation experience

5. Have a strong passion for investigation and interest to help others in need

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