Construction of Perth's Elizabeth Quay is slashing customer numbers at Barrack Square businesses but they're not being fairly compensated by the state government.

The noise, pedestrian diversions and general construction mess is proving a turn-off for patrons, and those who still come are tourists looking lost as they try to make their way through a maze of fencing to the jetty. Bill Edgar of Golden Sun Cruises says his turnover has plunged from…