Lim & Tan Securities was established in 1973. Its main activity is stock broking and the main focus of the company is the retail market. Believing in providing cutting-edge technology to its clients, Lim & Tan Securities was amongst the first to introduce Internet Share Trading in Singapore in October 1998.

In line with its belief in providing a fast and convenient way for clients to trade shares online, multiple channels are provided for clients to access its easy-to-navigate Online trading platform to check prices and trade. This includes the Mobile trading channel using mobile phones, where clients can view streaming live prices, which was added in June 2008. Subsequently in 2011 and early 2012, it introduced iPhone, Android and iPad Apps for more convenient on-the-go trading under its Online trading brand name, limtan.com.sg.

Currently, Lim & Tan Securities offers a unique web chart where clients can view up to 10 years of data, set and receive real-time alerts and signals. It also allows clients to select counters to compare using Performance Chart and to insert trade comments for subsequent reference.