Leading Singapore firms Colin Ng & Partners and Drew and Napier have won licences to practise in China.
The firms are the first in Singapore to gain permission on the back of China's preparations to join the World Trade Organisation.
Colin Ng & Partners is the associated firm of UK shipping specialist Sinclair Roche & Temperley.
It already has an office in Shanghai but applied for another licence following China's decision to let non-domestic firms have two offices in the country.
Colin Ng will open its second operation in Beijing while Drew and Napier will set up in Shanghai.
The licence wins come as the Singapore government takes steps towards allowing domestic and foreign firms with joint ventures to incorporate.