A few steps can help you make sure that the company you work with is credible and will do a good job:
Start with an evaluation. Make sure the company knows your lawn before they make recommendations.
Look for online reviews to get a better idea of their quality of work
Ask about the best process to treat your lawn.
Request a quote that includes all variables and fees.
Request a timeline that works for your lawn and the company.
Ask about long-term care to make sure the grass grows and stays healthy.