United Tree Services is Clifton, Virginia's go-to full-service tree company. We offer expert tree trimming, removal, and maintenance services. Our licensed arborists have more than 15 years of hands-on experience, specializing in crown reduction, stump grinding, and emergency response. Trusted by the National Mall in Washington, DC, we deliver reliable tree health assessments and landscaping solutions. Enjoy free estimates, competitive pricing, and professional equipment for safe results. Serving the entire Northern Virginia and Washington DC metro area.