Tel: +(65) 6440 4683

Founder & Chief Strategist of

Obviously, speaking to someone you know will be more comfortable. We are not the best sales people to push you to close the deal but we assure you our sincerity in our professional work.

For any enquiry, I will attend to you personally at +65 9119 0139

Our Core Business is providing Professional Private Investigation Services in South East Asia for the last 30 years.

From our client’s trust and support, we continue to expand our business and extended our services to United States of America and Europe Countries.

We have to be really very good in this industrial to last that long.It’s been our bread and butter since 1988.

We are not just private investigators or private detective.We are truly creative and passionate about finding out the truth for every of our client to ease their mind.

We undertake all kind of cases to help everyone in all walks of life.Our investigation strategy planning is extremely careful and details in-order to archive crucial evidence within the time frame.

We have a strong track record of high solving case rate at 98% that consistently delivered satisfaction results for each of our client in all aspect.

SK INVESTIGATION PRIVATE LIMITED is duly licensed by the Singapore Police Force.

SK provides a comprehensive range of Professional Investigation Services.

SK is managed by Mr. Lawrence Koh, who has over 30 years of desk and field experience in the Investigation Industry currently at the age of 49.

Mr.Lawrence Koh has acquired status in the Certified Investigative Professionals, Inc (CIPI-USA),and the World Association of Professional Investigators (WAPI-USA).

Mr. Lawrence Koh is nominated by the United States of “American Biographical Institute’s” and carried the title of Order of International Ambassadors, 2011 MAN OF THE YEAR and ABI Fellow, which is one of the World’s Leading Biographical Reference Publishers and Authorities on Global Contemporary Achievement.

SK believes in providing Professional Investigation Services. We handle every one of our Client’s cases with care, in Total Privacy and Confidentiality. We will carefully study and plan your cases before commencing investigative work to minimize the “Exposure” of cases during the course of the surveillance.

We provide accurate Information and Comprehensive Investigation Reports with Crystal Clear Digital Video Recording and Photographic Evidence to meet our Client’s expectation. Our Client will be updated at regular intervals on the progress of the assignment. Our efficient services have proven success in achieving results.

We have a distinct reputation solving complex cases for Individual Client, Law Firms and Multi-National Corporations in the Local and Asia Pacific Region. This has earned us Media and Press attention.

We are proud to be the Only Private Investigation Firm in Singapore to be awarded with the “Top 200” Outstanding Organization 2011 in South East Asia beside “Top 100” Successful Awarded Entrepreneur Year 2010 (Platinum Category-Singapore).


All Private Investigators belonging to the “SK INVESTIGATION PRIVATE LIMITED”agrees to adhere to our professional Code of Ethics and Conduct at all time:

To conduct ourselves in our profession with honesty, sincerity, integrity, fidelity, morality and good conscience in all dealings with our clients.

To preserve forever our clients’ confidences under any and all circumstances except where the clients’ interest is contrary to criminal law.

To conduct all our investigations within the bounds of legality, morality, and professional ethics.To refuse our employee of any methods of collecting evidence in any form in those countries where it is unlawful.

To retain in the strictest confidence of every facet of our client’s interest from inquiries by third parties especially in matters involving national notoriety or publicity.

To give full cooperation to all recognized and responsible law enforcement and governmental agencies in matters within the realm of their jurisdiction.

To counsel our clients against any illegal or unethical course of action.

To explain to the full satisfaction to every of our client of our service contract and all transparent fees and charges in his/her case and to render a factual report with video-graphic or photographic evidence with date and time stamp.

To retain our own professional reputation to the highest level and that of my fellow investigators and professional associates.

To strictly insure that all our employees adhere to this code of ethics and conduct.