If a plumbing company is good, they’ll control the level of their employees so that the plumbing services are consistent and hopefully as high quality as possible. Personally, I just used user reviews of sewer drain cleaning seattle - bens.plumbing seemed like a good option from the feedback, and then I checked myself and everything was fine. If you need a plumber, reach out to them.
Even in one company, there can be both top specialists and not-so-great ones. Maybe they just don’t have enough experience yet.
For me it’s kind of a paradox, because I keep hearing that everyone here has plumbing issues and old pipes, but at the same time for some reason there are problems with plumbers. I don’t know, maybe I just got unlucky. A few times.