ISAO Conference & Trade Show

Feb 18-20, 2026 RBC Place, London ON

ISA Ontario’s Annual Conference & Trade Show is THE premier gathering for arboriculture professionals in Ontario!
Attend dynamic sessions, visit the trade show, earn CEUs, meet new & old friends, and of course, have FUN!
Join us and Experience Arboriculture!

Registration opens December 08 2025. See pricing below (scroll down the page)

Book Your Stay!

DoubleTree Hilton London: rates start $165/night + taxes/fees/parking.

DoubleTree Hilton London – 300 King St, London, ON N6B 1S2 (connects to the conference venue RBC Place via an indoor walkway)

Sponsor or Exhibit at the Trade Show

We have over 600 arborists in attendance and over 50 exhibitors.
The trade show is in a large indoor space (it takes up six ballrooms!). We host all attendee meals and coffee breaks in the trade show room to ensure you'll have steady traffic – it's also a lot of fun!

Sponsor Perks: Your logo featured on the signage throughout the venue and on the Whova event app; advertising in the Ontario Arborist magazine, our eblast and website; promo gift distribution; speaking opportunities; and more!

Exhibitor Perks: 10ft x 10ft booth space in the trade show room; booth staff registration including meals on Wed & Thurs; opportunity to present on the trade show stage; opportunity to engage with over 600 arborists; and more!

See full details and register online here! Enjoy a 10% discount if you register before Dec 19!

ISA Exams at the Conference

We'll hold the ISA Certified Arborist, Utility, CUFP, and Tree Climber (Written) Exams Wed Feb 18 2026: 7:30AM to 12:00PM. To enroll:

  • Step 1: Submit your application to take the exam (we recommend submitting your application by end of December 2025). Submit through your ISA Intl account here.
  • Step 2: If approved, you'll receive an email from ISA Intl. (You have 90 days from the date of approval to write your exam).
  • Step 3: Enroll to take the exam at RBC Place. Enrollment deadline is January 21, 2026. You'll enroll through your ISA Intl account here.

ISA Certified Arborist Exam Prep

Prepare for the ISA Certified Arborist exam with expert Ontario instructors!
We'll take you through every chapter of the ISA Certified Arborist Study Guide and prepare you to take the exam. (You can take the ISA exam the next day).

  • Workshop Date: Tuesday Feb 17, 2026. Time: 9:00 AM – 5:00 PM at RBC Place in London, ON
  • Register online for the workshop here (registration deadline Feb 13 2026).
  • Note that exam registration is separate.

Conference Registration Pricing