# CONSTELLATION SOFTWARE INC

Summary updated: 2026-09-28T14:19:52.166769Z
Canonical: https://finbar.com/research/companies/constellation-software

## Overview

Constellation Software Inc. is a Canadian company that acquires, manages and builds vertical-market software businesses. Its companies provide specialized software and services to public- and private-sector organizations across a wide range of industries. Constellation’s stated approach is to own these businesses for the long term while allowing them to operate with substantial autonomy. [1](https://www.csisoftware.com/)[2](https://www.csisoftware.com/operating-groups/)

The company traces its origins to 1995 and operates internationally, with substantial revenue from the United States, Canada, Europe and other markets. Its businesses are organized into operating groups including Volaris, Harris, Topicus, Vela, Jonas and Perseus. Constellation reported US$11.6 billion in revenue for 2025, indicating the scale of its portfolio. [3](https://www.csisoftware.com/wp-content/uploads/2026/04/September-25-2025-press-release-final.pdf)[4](https://app.finbar.com/go?id=P138326274)[5](https://www.csisoftware.com/wp-content/uploads/2026/04/Q4-2025-Shareholder-Report.pdf)
[4](https://app.finbar.com/go?id=P138326274)[6](https://app.finbar.com/go?id=T15807127)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[1](https://www.csisoftware.com/)[2](https://www.csisoftware.com/operating-groups/)[3](https://www.csisoftware.com/wp-content/uploads/2026/04/September-25-2025-press-release-final.pdf)[5](https://www.csisoftware.com/wp-content/uploads/2026/04/Q4-2025-Shareholder-Report.pdf)

## Products & services

Constellation Software’s products are specialized software systems for particular industries and functions rather than a single company-wide suite. Examples include Trellint parking-management systems for public agencies and Elovate traffic-management software for automated speed and red-light enforcement. Other products in its portfolio include Trapeze tools for public-transit scheduling, dispatch, passenger information and ticketing; MEDHOST hospital electronic health records and clinical and financial systems; and BuildTopia, a web-based system for residential-construction purchasing, project management and job costing. [8](https://app.finbar.com/go?id=P138327796)[9](https://www.volarisgroup.com/press-room/trapeze-group-and-action-information-management-unite/)[10](https://www.harriscomputer.com/news/harris-acquires-medhost)[11](https://csiperseus.com/resources/portfolio/buildtopia/)

Customers can license software under multi-year or perpetual arrangements or use hosted software-as-a-service products. Related offerings include post-delivery support, transaction-based services and managed services, alongside implementation, custom programming, training and consulting. Some customized solutions also include hardware. [12](https://app.finbar.com/go?id=P138327063) In 2024, maintenance and other recurring revenue—which includes support, hosted SaaS and other recurring services—accounted for approximately 73.5% of revenue; professional services accounted for 19.6%, licenses 3.9%, and hardware and other revenue 3.0%. These categories do not separately disclose SaaS revenue. [13](https://app.finbar.com/go?id=T15807303)
[8](https://app.finbar.com/go?id=P138327796)[12](https://app.finbar.com/go?id=P138327063)[13](https://app.finbar.com/go?id=T15807303)[13](https://app.finbar.com/go?id=T15807303)[13](https://app.finbar.com/go?id=T15807303)[13](https://app.finbar.com/go?id=T15807303)[13](https://app.finbar.com/go?id=T15807303)[9](https://www.volarisgroup.com/press-room/trapeze-group-and-action-information-management-unite/)[10](https://www.harriscomputer.com/news/harris-acquires-medhost)[11](https://csiperseus.com/resources/portfolio/buildtopia/)

## Geographic presence

Constellation Software is domiciled in Canada, with a registered office in Toronto. It identifies Canada, the United States, and the UK/Europe as its principal geographic areas, while also reporting activity in an “Other” category. [14](https://app.finbar.com/go?id=P138325442)[15](https://app.finbar.com/go?id=P138326286)

In 2025, the United States accounted for US$4.84 billion, or about 42%, of revenue; UK/Europe for US$4.07 billion, or 35%; Canada for US$1.05 billion, or 9%; and Other regions for US$1.67 billion, or 14%. These categories reflect where revenue is transacted and intellectual property is located, rather than a separate breakdown of customers by country. [7](https://app.finbar.com/go?id=T15807182)[16](https://app.finbar.com/go?id=P138326288)
[14](https://app.finbar.com/go?id=P138325442)[15](https://app.finbar.com/go?id=P138326286)[7](https://app.finbar.com/go?id=T15807182)[16](https://app.finbar.com/go?id=P138326288)

## Business segments

Constellation Software identifies six operating segments—Volaris, Harris, Topicus, Vela, Jonas and Perseus—but aggregates them into **one reportable segment** for financial reporting. It does not publish a revenue percentage for each of the six groups. The groups are portfolios of vertical-market software businesses rather than exclusive industry divisions: Harris serves markets including government, healthcare and utilities; Topicus focuses on European markets including education, healthcare and financial services; and Volaris, Vela, Jonas and Perseus each span multiple industries. [17](https://app.finbar.com/go?id=P138325602)[18](https://app.finbar.com/go?id=P138325606)[19](https://www.harriscomputer.com/)[20](https://topicus.com/)[21](https://fm1.volarisgroup.com/vertical-markets)[22](https://velasoftwaregroup.com/portfolio/)[23](https://jonassoftware.com/our-companies)[24](https://csiperseus.com/portfolio/)

A separate, **unaudited** 2025 presentation divides consolidated revenue into Constellation excluding Topicus and Lumine (approximately 78%), Topicus (15%) and Lumine (7%). These are not the six operating-segment revenue shares. On a geographic basis, 2025 revenue was approximately 42% from the United States, 35% from the UK and Europe, 14% from other markets and 9% from Canada. [6](https://app.finbar.com/go?id=T15807127)[7](https://app.finbar.com/go?id=T15807182)
[17](https://app.finbar.com/go?id=P138325602)[18](https://app.finbar.com/go?id=P138325606)[6](https://app.finbar.com/go?id=T15807127)[6](https://app.finbar.com/go?id=T15807127)[6](https://app.finbar.com/go?id=T15807127)[6](https://app.finbar.com/go?id=T15807127)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[7](https://app.finbar.com/go?id=T15807182)[19](https://www.harriscomputer.com/)[20](https://topicus.com/)[21](https://fm1.volarisgroup.com/vertical-markets)[22](https://velasoftwaregroup.com/portfolio/)[23](https://jonassoftware.com/our-companies)[24](https://csiperseus.com/portfolio/)

## Company history

Mark Leonard founded Constellation Software in 1995, and its first acquisition was Trapeze Group, a public-transit software business [25](https://www.volarisgroup.com/about/). The 2003 acquisition of Gary Jonas Computing formed the basis of its Jonas operating group [26](https://jonassoftware.com/20-years-of-jonas). Constellation became a public company in 2006 [27](https://www.csisoftware.com/wp-content/uploads/2026/04/q2_2008_shareholdersreport.pdf).

As its acquisition activities expanded, Constellation established Vela as an operating group in 2013 and acquired Netherlands-based Total Specific Solutions later that year [28](https://www.csisoftware.com/constellation-software-announces-executive-appointments/)[29](https://www.csisoftware.com/constellation-software-inc-finalizes-acquisition-of-total-specific-solutions-tss-b-v/). In 2021, it spun out Total Specific Solutions with Topicus.com as a separate public company; in 2023, it completed a further spin-out of Lumine Group alongside Lumine’s acquisition of WideOrbit [30](https://www.csisoftware.com/constellation-software-inc-completes-spin-out-of-topicus-com-inc/)[31](https://www.csisoftware.com/constellation-software-inc-and-lumine-group-inc-complete-purchase-of-wideorbit-inc-and-lumine-group-spin-out/).
[25](https://www.volarisgroup.com/about/)[26](https://jonassoftware.com/20-years-of-jonas)[27](https://www.csisoftware.com/wp-content/uploads/2026/04/q2_2008_shareholdersreport.pdf)[28](https://www.csisoftware.com/constellation-software-announces-executive-appointments/)[29](https://www.csisoftware.com/constellation-software-inc-finalizes-acquisition-of-total-specific-solutions-tss-b-v/)[30](https://www.csisoftware.com/constellation-software-inc-completes-spin-out-of-topicus-com-inc/)[31](https://www.csisoftware.com/constellation-software-inc-and-lumine-group-inc-complete-purchase-of-wideorbit-inc-and-lumine-group-spin-out/)

## Sources

1. [www.csisoftware.com](https://www.csisoftware.com/)
2. [www.csisoftware.com](https://www.csisoftware.com/operating-groups/)
3. [www.csisoftware.com](https://www.csisoftware.com/wp-content/uploads/2026/04/September-25-2025-press-release-final.pdf)
4. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p94](https://app.finbar.com/go?id=P138326274)
5. [www.csisoftware.com](https://www.csisoftware.com/wp-content/uploads/2026/04/Q4-2025-Shareholder-Report.pdf)
6. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p16](https://app.finbar.com/go?id=T15807127)
7. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p95](https://app.finbar.com/go?id=T15807182)
8. [CONSTELLATION SOFTWARE INC — Full financial report (2024 Y), p57](https://app.finbar.com/go?id=P138327796)
9. [www.volarisgroup.com](https://www.volarisgroup.com/press-room/trapeze-group-and-action-information-management-unite/)
10. [www.harriscomputer.com](https://www.harriscomputer.com/news/harris-acquires-medhost)
11. [csiperseus.com](https://csiperseus.com/resources/portfolio/buildtopia/)
12. [CONSTELLATION SOFTWARE INC — Full financial report (2024 Y), p3](https://app.finbar.com/go?id=P138327063)
13. [CONSTELLATION SOFTWARE INC — Full financial report (2024 Y), p5](https://app.finbar.com/go?id=T15807303)
14. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p46](https://app.finbar.com/go?id=P138325442)
15. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p95](https://app.finbar.com/go?id=P138326286)
16. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p95](https://app.finbar.com/go?id=P138326288)
17. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p57](https://app.finbar.com/go?id=P138325602)
18. [CONSTELLATION SOFTWARE INC — Full financial report (2025 Y), p58](https://app.finbar.com/go?id=P138325606)
19. [www.harriscomputer.com](https://www.harriscomputer.com/)
20. [topicus.com](https://topicus.com/)
21. [fm1.volarisgroup.com](https://fm1.volarisgroup.com/vertical-markets)
22. [velasoftwaregroup.com](https://velasoftwaregroup.com/portfolio/)
23. [jonassoftware.com](https://jonassoftware.com/our-companies)
24. [csiperseus.com](https://csiperseus.com/portfolio/)
25. [www.volarisgroup.com](https://www.volarisgroup.com/about/)
26. [jonassoftware.com](https://jonassoftware.com/20-years-of-jonas)
27. [www.csisoftware.com](https://www.csisoftware.com/wp-content/uploads/2026/04/q2_2008_shareholdersreport.pdf)
28. [www.csisoftware.com](https://www.csisoftware.com/constellation-software-announces-executive-appointments/)
29. [www.csisoftware.com](https://www.csisoftware.com/constellation-software-inc-finalizes-acquisition-of-total-specific-solutions-tss-b-v/)
30. [www.csisoftware.com](https://www.csisoftware.com/constellation-software-inc-completes-spin-out-of-topicus-com-inc/)
31. [www.csisoftware.com](https://www.csisoftware.com/constellation-software-inc-and-lumine-group-inc-complete-purchase-of-wideorbit-inc-and-lumine-group-spin-out/)

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