Nexia STT was formed and known as STT Audit and Advisory Partnership in early 2004 by a group of local/international professional experts. The FIRM's history can be traced through the names of its principal founding members - whose initials form the name "STT".

• S stands for Stephen. Stephen Gaskill, a British National, is ICAEW and has many years of experience in auditing and consulting.
• T is for Thinh. Thinh, a Vietnamese National, is founder and CEO of a well-known consulting firm - MCG Management Consulting. He also had many years of experience as director level of BIG consulting and accounting firms.
• T stands for Trung. PhD Trung Nguyen, a Vietnamese National, is CPA Vietnam, CPA Australia and FCCA UK with many years of experience as an independent auditor.