Arborist Alliance

At Arborist Alliance, we offer a top-notch tree service in Seattle, WA, for healthier trees, safer outdoor spaces, and better long-term property value. With 40+ years of experience, we provide pruning, thinning, deadwooding, tree removal, risk assessment, cabling, bracing, feeding, and aerating based on what each tree needs to stay safer and stronger. Moreover, we provide efficient pest control service in Seattle, WA, before insect and pathogen issues spread further. We focus on early detection, local tree knowledge, and treatment strategies, helping protect your landscape, preserve tree condition, and reduce avoidable loss. Contact us today to keep your trees healthier, safer, and more valuable for years to come.