2008 ATELIER TANG was incorporated.
2010 Incorporated ATA ENGINEERING, which offers a fully co-ordinated service for M&E Contracting and Maintenance.
2011 Awarded the 1st large scale Government Project – Prime Minister Office (20k sqft²)
2012 Incorporated AT CARPENTRY, which focuses procurement and fabrication.
Awarded the 1st large scale A&A Project –  Jurong Town Council Summit (60k sqft²)
2013 ATELIER TANG has been achieved more than S$20M in booked revenue.
2014 ATELIER TANG has awarded Promising SME 500 – Top 10 Special Achievement award.
2015 ATELIER TANG has awarded The Entrepreneur of the Year Award.
ATELIER TANG has been achieved,
ISO 9001:2008 Certification for Quality Management.
ISO 14001:2004 Certification for Environmental Management.
OHSAS 18001:2007 Certification for Health and Safety Management.