Group chief executive Stuart Gulliver said the performance was "resilient", with pre-tax profit at USD 6.1 billion from USD 4.6 billion in the same quarter last year.
But revenue had been affected by stock market sell-offs in Asia and was down four percent at USD 15.1 billion.
HSBC announced in June it would cut its global workforce by up to 50,000 and sell off its businesses in Brazil and Turkey to cut costs.
The bank is also considering moving its headquarters from Britain but said there was a "considerable amount of work still to do" before a decision is made.
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"Whilst the target for completion of the review was initially set as by the end of 2015, this is a self-imposed deadline that can be moved should the Board require further work to be performed," the report said.
The third-quarter results beat analysts' expectations, with some saying cost reductions are now reaping rewards.
"Their cost control had (previously) not really lived up to the target, but now it looks like they are finally in control."
But Wong added it would be a long road before revenue growth resumes.
"When we look at growth, it's still limited... Hopefully if China's economy picks up steam then it will help emerging markets in Asia."
The Chinese economy grew at 6.9 per cent between July and September this year, according to official figures, the slowest pace since the aftermath of the global financial crisis in 2009.
HSBC shares were slightly down in early afternoon trade at HK$60.9, a drop of 0.16 per cent.
HSBC's rise in third-quarter pre-tax profits "reflected lower fines" and settlements, the report said.
But it added that adjusted operating expenses were up two percent year-on-year, partly due to investment in regulatory programmes and compliance.