Trusted Dealership Software

"Constellation’s software is affordable, easy to navigate, and is supported by people who actually listen and understand the marine industry."
– Brian Rooney, Townsend Marine

About Constellation Dealership Software

Constellation Dealership Software provides a suite of market leading Software products designed specifically for dealerships. Over 2,000 dealerships across North America, United Kingdom, Ireland and Africa rely on one our products to make their dealership more successful.

We are a wholly-owned subsidiary of Constellation Software Inc.. Constellation’s common shares are listed on the Toronto Stock Exchange under the symbol “CSU”.  Constellation Software is an international provider of market leading software and services to a number of industries across both the public and private sectors. Constellation acquires, manages and builds vertical market software businesses that provide mission-critical software solutions to address the specific needs of its customers in those industries.

Our Brands

The Industry’s Leading Brands

Learn more about Constellation Dealership Software’s companies:


Ideal Computer Systems  IDS - Integrated Dealer Systems
 Ideal Computer Systems  Ideal Computer Systems



Constellation participates in E-Verify. To learn more click here