The agency's Shanghai office will oversee account management and business development throughout the Asia-Pacific region.
Banks Sadler has recruited two employees in China, Lei Gu and Wei Limin, who will have responsibility for business development, venue finding and event management. They will be undergoing training in the UK next week.
Banks Sadler is currently recruiting a director to lead the branch.
Leigh Jagger, Bank Sadler CEO, said: "Banks Sadler saw the necessity for an on-the-ground team in Shanghai to service our existing clients and a growing portfolio of new business.
"We have listened to our clients who wanted us in the country to offer local assistance and to support our global contracts."