Although there’s no recent history of terrorism in Macao, attacks can’t be ruled out. See Terrorism
Crime levels are low, but you should take sensible precautions against pick pocketing and other street crime. See Crime
In 2017, 57,122 British nationals visited Macao. Most visits are trouble-free.
Consular support may be limited in Macao. However, the British Consulate-General in Hong Kong can provide consular support to British nationals.
Take out comprehensive travel and medical insurance before you travel.