It turns out that there is such a place for people who live in or near Perth, Australia. It’s called Bugle and it brings together household service providers under one umbrella that is accessible from the web and from a mobile app.
Bugle says the vendors that it lists have been vetted and interviewed and that they are all insured. Bugle also posts prices for comparable jobs, sends customers an alert when a provider is heading toward your job and when they arrive and it lets you pay for services through a secure online portal.
For more details or to sign up, visit the Bugle website. Free Bugle apps are scheduled to arrive soon at the iTunes App Store or the Google Play Store.