Contact Us

GRA's Location:

mTower, 460 Alexandra Road, #12-01, S119963

Office Hours:

Mondays to Thursdays 8.30 am to 6.00 pm
Fridays 8.30 am to 5.30 pm
Lunch 12:30 pm to 1:30pm
We are closed on Saturdays, Sundays and public holidays.

Contact Details:

(+65) 6501 7000(+65) 6273 0917

Online Enquiry:

If you have a query or feedback, you may wish to contact us using the online Feedback Form.

Whistleblowing Line:

If you would like to report a possible wrongdoing by GRA officer(s), please write to

Please click here for more details.