Answer
How do I avoid cowboy landscapers?
Real finished work, a survey before pricing, a written quote, credentials and insurance.
In short
Look for real, finished projects rather than tidy-up photos, a proper site survey before pricing, a clear written quote, relevant credentials and insurance, and a firm happy to be asked questions. Designing and building with one accountable team removes the gap where things go wrong.
Arrange a consultation
Send a few photographs and a sentence about the site. We will reply personally.