Grant Brothers arborist earns first ATCP certification in Virginia

Grant Brothers Tree Service says owner and ISA Certified Arborist Stefano Devigili is the first professional in Virginia to earn ATCP certification, a credential focused on tree safety, hazard assessment and science-based arboriculture. The company says the designation strengthens its pitch to homeowners, HOAs, municipalities and other customers across Northern Virginia.

Why it matters: - The ATCP credential adds a new benchmark for tree-care qualifications in Virginia. - For property owners, the certification signals advanced training in hazard assessment, pruning, emergency response and job-site safety. - Grant Brothers Tree Service is using the milestone to emphasize safer, science-based arboriculture across its service area.

What happened: - Grant Brothers Tree Service announced that Stefano Devigili, owner and ISA Certified Arborist, became the first professional in Virginia to earn Association of Tree Care Professionals certification. - The company said Devigili is the fifth person in the United States to receive the credential. - The announcement was made July 28, 2026, from Vienna, Virginia.

The details: - ATCP certification is built around ANSI Z133 safety standards and ANSI A300 tree care practices. - The credential covers tree biology, hazard assessment, pruning techniques, emergency tree response and job-site safety. - ATCP certification requires ongoing professional development and continuing education. - Grant Brothers Tree Service said the certification reflects advanced technical expertise and promotes safer work practices. - The company said the credential can help homeowners, commercial property owners, HOAs, municipalities and government agencies evaluate contractors for tree removal, pruning, tree health evaluations and emergency tree services. - Grant Brothers Tree Service said it applies these standards to routine pruning, hazardous tree removals, crane-assisted removals, storm damage cleanup and 24/7 emergency tree services across Fairfax County and Northern Virginia. - Devigili said the certification reflects the company’s commitment to professional development, safety standards, continuous education and completing projects safely and responsibly. - Grant Brothers Tree Service said it serves residential and commercial clients in Fairfax County, including Chantilly, Vienna, McLean, Great Falls, Reston, Centreville and Falls Church. - The company listed services including tree removal, crane-assisted tree removal, hazardous tree removal, tree pruning, stump grinding, storm cleanup, 24/7 emergency tree services and direct insurance invoicing for storm-damage claims. - Grant Brothers Tree Service said customers can request a free on-site tree assessment through either of its two Northern Virginia offices or at more information. - The Chantilly office is at 13603 Ellendale Dr., Chantilly, VA 20151, phone (703) 659-8733. - The Vienna office is at 1934 Old Gallows Rd., Suite 350, Vienna, VA 22182, phone (571) 777-0052. - The company also shared social media links on Instagram, Facebook and YouTube.

Between the lines: - The first-in-state designation gives Grant Brothers a credential-driven differentiator in a service industry where safety and technical skill matter. - The company is pairing the certification with a broader message about professional standards, which can help build trust with municipal and commercial buyers.

What's next: - Grant Brothers Tree Service is likely to lean on the certification in future marketing and client outreach. - Customers in Northern Virginia can continue to book assessments and emergency tree services through the company’s two offices and website. - Ongoing education will remain part of the ATCP credential, so Devigili’s certification carries continuing training requirements over time.