Wang & EF Tan Associates

Consulting & Registered Surveyors


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Wang & EF Tan Associates, a Registered Surveyors firm, was founded because of the merger between Wang Surveyors and EF Tan & Associates Consulting & Registered Surveyors


Wang Surveyors was founded in 1978 while EF Tan & Associates Consulting & Registered Surveyors was founded in 1994.



With the merger, Wang & EF Tan Associates is among one of the most established surveys and mapping, 3D Laser Scanning, BIM, and Reality Capturing companies in Singapore. 


Wang & EF Tan Associates is solely owned by Mr. Tan Eng Fei, a Registered Surveyor and also the CEO of the company.



Wang & EF Tan Associates had completed numerous major and prominent projects for government and private corporations, hence, accumulating through the years, vast experience in all kinds of survey and mapping, 3D Laser Scanning, BIM, and Reality Capturing works.


We specialize in all kinds of land and Hydrographic Survey works which include 


·         Cadastral Survey,

·         Topographical Survey

·         Engineering Survey

·         Setting Out Survey

·         Monitoring Survey

·         Tunnel Survey

·         Geodetic Survey

·         As-Built Survey

·         Building Survey

·         Measured Drawing Survey

·         Lettable Floor area Survey

·         GFA Survey

·         Encroachment Survey

·         all other kinds of survey works that require fixing of spatial position.



In addition to the Land and Hydrographic Survey, we are also specialists for 


·         3D Laser Scanning

·         BIM

·         Augmented Reality

·         3D Topographical Survey

·         Reality Capturing

·         Aerial Photogrammetry

·         Aerial Lidar


Our team of professionally trained staff offers reliable services that you can count on.

Whether you need Land Surveying, Hydrographic Surveying, 3D Laser Scanning, BIM, Reality Capturing, Remote Sensing, Aerial Photogrammetry, Digital Mapping, GIS, CAD, or Software Development, we have the professional staff to ensure that your needs are met. At Wang & EF Tan Associates, our goal is to provide you with courteous, expedient, professional service of the highest caliber.

Browse our Web site for more information about Wang & EF Tan Associates. If you have any questions or would like to speak with a Wang & EF Tan Associates representative regarding our services, please e-mail us at or call us at (65) 62890400.

At Wang & EF Tan Associates, the customer always comes first.

Latest News


       From 1st June 2021, Singapore introduced the Fair Tenancy practices code for all landlords.    One of the requirements under the section of the code requires the landlord to provide a Certificate from a Registered Surveyor confirming the surveyed area of the premises   We pleased to be at the...