Consider warranty or service guarantees on pruning, treatments, and newly planted trees, with clear terms and timelines.

https://shed-wiki.win/index.php/What_to_Look_For_in_a_Tree_Company:_Pricing_Openness,_Devices,_and_Tree_Trimming_Competence

Consider guarantee or service assurances on pruning, treatments, and newly planted trees, with clear terms and timelines.