Key facts
- It has raised $1.3M; the latest was Seed Round ($1.3M) in Dec 2025.
- Notable investors include Airtree Ventures, FB10x adVentures, TEN13.
- Status: Privately Held (backing).
Investors
3- ·The complete investor list — 3 names
- ·Watchlist + deal alerts for Atrium
- ·The full record, as it builds
Funding rounds
No funding rounds for Atrium are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Atrium
Developer of communication and relationship management software designed for organizing and maintaining personal and professional connections. The company's platform integrates email, contacts, and calendars, organizes communications, enabling businesses to streamline interactions, maintain awareness of their networks, and follow up efficiently without manual administrative effort.
- Sector
- Information Technology
- HQ
- Sydney, Australia
- Founded
- 2025
- Employees
- 3
- Website
- atrium.me/
- Ownership
- Privately Held (backing)
Atrium doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Atrium shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Atrium in its N-PORT filings yet. We sweep new filings monthly.