A question? A project? We'll get back to you.
Our team is based in Quebec and provides bilingual support in English and French. No bots, no sales scripts. A real conversation.
Get in touch directly
The fastest way is by phone or chat during our business hours. Prefer to write? The form is right below.
By phone
1 877 966-4225
Monday to Friday, 8:30 AM to 4:30 PM
Bilingual support (English and French), Quebec-based team.
By email
assistance@horizon-cumulus.ca
For non-urgent requests. Response within 24 business hours.
By live chat
Available on the site during business hours. Click here to start a conversation.
Checking…Describe your situation. We will get back to you with something useful.
No automated acknowledgment. Every message is read by our team before responding.
Not sure what you need?
Generate a free project brief in 2 minutes with our AI analysis tool.
Is your site down or compromised?
Use the form and select "Security" as the subject. Urgent requests are prioritized based on your plan.
Gold and E-Commerce clients
Priority support with reduced response time based on your monitoring plan.
Active partners
Contact us directly by phone for active incidents. We recognize our partners.
Other plans
We do our best based on availability. The form is reviewed multiple times per day during business hours.
Not yet sure about what you need?
Describe your situation in a few lines. We will point you to the right service or the right person.
No commitment. First exchange free. Response within 24 business hours.