Singapore Environment Institute (SEI)

About Singapore Environment Institute(SEI)

The SEI is the training and knowledge division of the National Environment Agency (NEA). It is responsible for delivering in-house technical training and building of environmental knowledge among staff to build a relevant, resourceful and resilient NEA workforce.  SEI also supports capability building and Continuing Education and Training (CET) needs within the local environmental services industry through its industry programmes with institutes of higher learning. In addition, the Institute actively participates in capacity building of identified countries via training and workshops catering to selected government officials.


Contact Us

 Operating Hours  

SEI Opening Hours (except for public holidays):

Monday to Thursday: 8.30am to 6pm

Friday: 8.30am to 5.30pm


For all enquiries and more information:

Please call 1800-CALL NEA (1800-2255632) or visit