They registered a total capital of VND149.9 trillion, up 38 percent.
Registered employee numbers hit 76,600, up 30 percent.
In the first 11 months, 105,600 new businesses were registered, down 15 percent year-on-year.
A total 52,100 business suspended operations in the period, up 17.3 percent year-on-year.
This means an average month saw 13,300 companies joining the market, and nearly 9,700 leaving.