Constellation Software headquarters details
- Street address
- 1200-20 Adelaide St. East
- City
- Toronto
- State / region
- Ontario
- ZIP / postal code
- m5c 2t6
- Country
- Canada
- Phone
- +1 416 861 2279
- Founded
- 1995
- Website
- csisoftware.com
- Stock
- TSX: CSU
Location map
Open in Google MapsAll Constellation Software office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Toronto HQ | Ontario | Canada | Headquarters |
Showing the headquarters of 7 recorded locations. See every location in GraphIQ →
About Constellation Software
Constellation Software (TSX: CSU) is headquartered in Toronto, Ontario, Canada. Founded in 1995, the company has 7 recorded locations across 2+ countries and employs approximately 64,000 people worldwide.
Where is Constellation Software's main office?
Constellation Software's main headquarters office is located at 1200-20 Adelaide St. East, Toronto, Ontario m5c 2t6, Canada. This is the company's primary corporate address.
Constellation Software regional offices
Beyond its headquarters in Toronto, Constellation Software has recorded locations in Canada and Australia.
Constellation Software contact information
The main switchboard for Constellation Software headquarters can be reached at +1 416 861 2279. Official website: csisoftware.com.
What does Constellation Software do?
Constellation Software Inc is a software holding company. The Company acquires mission-critical, vertical market software companies, and helps them to grow.
Constellation Software competitors & similar companies
Frequently asked questions
Where is Constellation Software headquarters?
Constellation Software's headquarters is located at 1200-20 Adelaide St. East, Toronto, Ontario m5c 2t6, Canada.
How many offices does Constellation Software have?
GraphIQ records 7 locations for Constellation Software across 2+ countries, as of October 2026.
What is Constellation Software's corporate address?
The corporate headquarters address is 1200-20 Adelaide St. East, Toronto, Ontario m5c 2t6, Canada.
When was Constellation Software founded?
Constellation Software was founded in 1995 and employs approximately 64,000 people.
What is Constellation Software's phone number?
The main phone number for Constellation Software headquarters is +1 416 861 2279.
How many employees does Constellation Software have?
Constellation Software has approximately 64,000 employees (GraphIQ estimate, 2026).
Is Constellation Software a public company?
Yes. Constellation Software is publicly traded on TSX under the ticker CSU.