Complex sentence: Australia's commercial interests in Hong Kong are extensive and range from banking, accounting, legal, engineering, information technology services and retail and general trading, with around 550 Australian companies are based in Hong Kong, and a further 1,000 Australian companies have representative offices.
Split into simpler sentences: Australia's commercial interests in Hong Kong are extensive and range from banking, accounting, legal, engineering, information technology services and retail and general trading. Around 550 Australian companies are based in Hong Kong, and a further 1,000 Australian companies have representative offices.