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Practical guide · Updated October 18, 2026

Showing insurance, arborist credentials and safety on your website

Tree work is dangerous and expensive to get wrong, so careful homeowners look for proof before they ask for an estimate. Your website should show your insurance, any certifications you hold and how you work safely, stated accurately and in plain language.

Insurance

Say what you carry, such as general liability and workers' compensation coverage, if you have it, and offer a certificate of insurance on request. Put a short line on every service page, not only on the About page.

Certifications

If you or members of your crew hold ISA Certified Arborist credentials, show them with the details customers can use to check. If you do not, do not imply it; lean on your experience, your work photos and your reviews instead. Never use certification logos you are not entitled to use.

Licensing and registration

Some states and cities register or license tree work. Where that applies to you, list your number. Where it does not, leave the section out rather than inventing one.

How you work safely

  • How you handle work near power lines (and when the utility must be involved).
  • How you protect lawns, driveways and roofs.
  • Equipment you bring for difficult access.
  • How the site is left after the job.

Proof that is real

Use your own job photos with the customer's permission and show genuine reviews. A review wall of your actual Google reviews is more convincing than any claim. Never publish testimonials you cannot verify.

See the tree trimming and arborist pages by city.