Perseus
As of 1 November 2026, Perseus has 0 open roles (0 new in 30 days), its team is hiring most, and its postings do not name a tool yet.
As of 1 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- Markham Inner Southwest, Ontario, United States
- Employees
- 10,001+ employees (linkedin)
- Sells to
- software businesses, software companies, small business owners
- Certifications on site
- Site languages
- EN
- Career system
Perseus in one screen
Read from csiperseus.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Perseus is an acquisition arm of Constellation Software that buys and holds software businesses, preserving their culture and operations while integrating them into a global network. It offers buy-and-hold acquisitions with retained operational control, post-acquisition leadership development, and access to a worldwide portfolio of software companies. Its portfolio spans multiple vertical markets including homebuilders, dealer groups, and pulp and paper technology.
Named on the site: software businesses, software companies, small business owners.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 593 scored.
What Perseus says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
Vendors whose code loads on csiperseus.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
0 open roles, 0 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team.
| open · new 30 d |
|---|
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Perseus to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Perseus
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 593 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Perseus (Markham Inner Southwest, United States, 10,001+ employees) has 0 open roles, 0 new in 30 days, and names 0 tools in its postings. (Breaknorm, 1 November 2026, https://breaknorm.co/company/csiperseus.com)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from csiperseus.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Perseus: questions
Is Perseus hiring?
0 open roles as of 1 November 2026, 0 opened in the last 30 days and 0 closed. The largest team hiring is –.
Where does this profile come from?
From csiperseus.com itself: we crawled it on 2026-08-16, built the profile on 2026-08-16, and read its career site () hourly since. Headcount is from LinkedIn.
Who should I write to at Perseus?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 0 public role addresses from the site are there too.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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