Contact Us

Get in Touch with Sienna HR

HR questions rarely come at a convenient time. Whether you need practical support now or just want to explore options, we’re here to help.


If you’d like to discuss HR services, pricing, or timelines, we ask that you book a call. Service-related questions can’t be answered through our main phone line.

Book a Call

Best for discussing your needs, getting recommendations, and exploring next steps.

Chat with Us

Best for quick questions. Use the Chat icon on the bottom right of your screen.

Send Us a Message

Best for starting by email. We typically respond within a couple of hours during business hours.

Phone us

Phone: 1-604-699-1889.

Our main phone line is monitored during business hours.

Business Hours

Monday to Friday

8:30 a.m. to 4:30 p.m. EST.

Compare your local time.

Locations

Mailing Address

365 Sainte-Catherine E St
Unit #373
Montréal, QC
H2X 3X2

Administrative Office

1965 4th Ave W
Unit #202
Vancouver, BC 
V6J 1M8

2026 Closures

Date

Holiday

Victoria Day

May 18, 2026

Saint-Jean-Baptiste Day

June 24, 2026

Canada Day

July 1, 2026

B.C. Day

August 3, 2026

Labour Day

September 7, 2026

National Day for Truth and Reconciliation

September 30, 2026

Thanksgiving Day

October 12, 2026

Remembrance Day

November 11, 2026

Holiday Closure

December 21, 2026 -January 1, 2027