Where Safety, Integrity, and Excellence Define Tree Care Professionals.Grow Your Tree
Care Business
- 150+ 
CERTIFIED TREE
CARE MEMBERS - 120+
ANNUAL COURSES
& WORKSHOPS 
    Building a Stronger, Safer, More Professional Tree Care Industry
The mission of the Association of Tree Care Professionals (ATCP) is to elevate tree care professionals by uniting them under the highest standards of safety, integrity, and excellence.
We are dedicated to upholding ANSI Z133 and industry best practices, promoting transparency and fairness in business, and advancing knowledge through education and mentorship. With a commitment to environmental stewardship and professional accountability, ATCP serves as the ethical and professional voice of arboriculture, ensuring the protection of people, property, and the natural world.
Read More About Our Mission
    Why Join ATCP?
Membership in ATCP means more than a logo on your website. It is a commitment to professionalism and growth.
The Association of Tree Care Professionals (ATCP) was founded to elevate and unite tree care professionals under the highest standards of safety, ethics, and excellence. Membership is not just an affiliation. It is a statement that you are committed to advancing both your career and the credibility of the profession.
Here’s what you get:
- Resources: Access exclusive tools, templates, and best-practice guides designed to help you work smarter, operate transparently, and grow your business.
 - Support: Gain the backing of industry experts and peers who can help you overcome challenges, navigate complex issues, and find practical solutions.
 - Community & Mentorship: Connect with a trusted network of professionals through ATCP’s member community, events, and forums, where collaboration and mentorship drive growth.
 - Training: Participate in ANSI Z133.1 safety training, ANSI A300 pruning workshops, and continuing education courses designed to keep you at the leading edge of arboriculture.
 - Recognition: As a Charter Member ($550), you stand among the founding professionals shaping the ethical and professional standards that will guide the industry for years to come.
 
Find and Connect with Tree Industry Leaders
Looking for a certified arborist or trusted vendor? ATCP makes it easy to find professionals who
meet the highest standards in tree care.
Search the Tree Care
Member Directory:
Find certified arborists and licensed tree care professionals near you.
Search
Browse the Vendor Member Directory:
Discover suppliers, equipment providers, and service partners that support tree professionals.
Find a Vendor
    Build Skills That Grow Your Tree Care Business
ATCP provides arborists and tree care professionals with the tools to stay sharp, safe, and competitive. Our courses are designed by experts and aligned with ANSI standards to keep your work top-notch.
- Arborist Courses: Learn pruning best practices, safety protocols, and plant health care from certified instructors.
 
    Learn from Experts, Collaborate with Peers
From regional meetups to national conferences, ATCP creates spaces for collaboration and growth. Join events that put you in touch with industry leaders, vendors, and peers.
- Industry Events: Discover upcoming workshops and networking opportunities.
 
    Tree Care Industry News & Resources
New regulations, safety standards, and industry updates can affect your business. ATCP brings you timely, credible news so you never miss an important change.
- Safety alerts and compliance updates
 - Advocacy news on state and national regulations
 - Policy changes and government initiatives impacting arboriculture
 
    Tree Care Tips & Insights
Our blog is designed to help arborists and tree care companies improve their work, their business, and their industry knowledge.
- Articles on arboriculture best practices
 - Business insights and marketing tips
 - Professional growth and leadership advice
 - Equipment and technology trends
 
Need Help Getting Started?
Becoming a member is simple and we’re here to guide you every step of the way. Whether you have questions about
requirements, benefits, or the application process, our team can help.