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My experience of this has been terrible. It's one of the main reasons I do so much stuff myself. I had two people round to quote for fixing my rotten front door sill a couple of years ago and neither of them followed up. It made me think there might be a business idea in some kind of concierge service for trades to handle the comms, booking jobs in, general customer service. But it would be a fine balance to manage it because I suspect that a many people in the trades prefer control and freedom over providing that level of service. Take too much control away and they won't sign up for it.
Trades are the worst with comms. Literally the worst in the entire world.
I tried to use a recommendation form here for our bathroom and it took about 18 months of chasing until I finally gave up.
If trades learnt project management and comms I bet they could become way more efficient and actually increase profit.