I don't think we compete against each other quite so much as tree companies in aus. We tend to work together a bit more - at least the better companies do. I've been thrown leads from other tree companies, and I've thrown back my fair share too. No money changes hands in these situations. I've also gone and helped out other tree companies when they were in need with an injured climber or damaged truck or whatever, and I've called a few favours in over time too. It all ballances out.
I do sub a bit, on average a day a week I guess. Whenever I'm doing favors for someone or climbing for them I introduce myself as working for them, which I am. The fact that it's only for a day doesn't enter into it. It's the same story when I do contract work for landscapers, which is a bit more involved that contract climbing. Generally you're supply ground labour plus truck and chipper which is a bigger deal than simply climbing for another tree company. In those cases I still make a point of introducing myself as 'shaun', not as my company name. It would be in very poor taste to hand out cards etc. Any leads generated on the day by walk up neighbours etc all go to the principal contractor and in every case I direct the person to go talk to 'the boss'. It's his job after all.
That level of professionalism is also returned. When other guys come and chip for me and someone turns up and asks for a card, they hand out mine. Even if I'm not on the site. This sort of gentlemans behaviour keeps us all working. We all charge the same anyhow.
Sometimes we do end up quoting on the same jobs. It's interesting to compare opinions and see who won it. I guess we're lucky that most reputable tree companies have more than enough work, while hacks and fly by nighters are stabbing each other in the back for craigslist deals. Maybe licensing requirements helps with that.
It does sound like this guy isn't quite in the class of businesses that I'd work for though. I work with tree guys, and stay awake from sharks. They'll move on eventually to bite someone in the next line of work they take up, just as they generally did in all the previous ones that never worked out.
Shaun