The Canadian AI Index

Founders / Sarah Ruest

Sarah Ruest

Co-founder & CTO of Haloo (Heirlume).

Suggest a correction

Haloo (Heirlume)

AI-powered trademark search and protection platform.

Role
Co-founder & CTO
HQ
Hamilton, ON
Status
Active
Disclosed raised
C$6M
Latest round
Grant, Dec 17, 2025

Co-founders: Julie MacDonell

Investors: FedDev Ontario, Innospark Ventures, BDC Thrive Lab, LOI Venture, W Fund, BDC Thrive Venture Fund, Mistral Venture Partners

Founders are listed as named in primary coverage of their companies. Profile links are matched to the company before they are published. To correct this page or ask for it to be removed, email the Index.

Data as of September 29, 2026.

Support the Index by subscribing to the newsletter.

This database updates every Tuesday. Get the update, plus the week's Canadian AI news, by email.

Subscribe on Substack

Opens Substack in a new tab.