The Ho Chi Minh City-based company saw revenue rising 148 percent year-on-year to over VND2.15 trillion.
The board attributed the growth to rising stock prices with the benchmark VN-Index surging nearly 28 percent in the first six months.
Daily trading value in the second quarter was VND26.6 trillion, quadrupling year-on-year.
The company recorded 141,000 new accounts in the first six months, bringing the total to over 550,000.