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Address: 511 Guillemard Road #01-31 GrandLink , 339849 Singapore, Singapore

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SK Investigation Services is duly licensed by the Singapore Police Force.

SK is managed by Mr. Lawrence Koh, a Certified Member of the Council of International Investigator (CII-USA), World Association of Detectives, Inc (WAD-UK) who has over 23 years of desk and field experience in the Investigation Industry. Mr.Lawrence Koh has acquired status in the Certified Investigative Professionals, Inc (CIPI-USA), the World Association of Professional Investigators (WAPI-USA), and is a Certified Private Investigator (CPI) recognized by the Security Association Singapore (SAS).

Mr. Lawrence Koh is nominated by the United State of “American Biographical Institute’s” as “2011 MAN OF THE YEAR” and ABI Fellow. 

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).


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Private Investigation Services


SK INVESTIGATION SERVICES- A Leading Professional Investigation Firm In Singapore. For more informatrion,Kindly visite us at

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Private Investigation Services


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