Key facts
- StackOne’s last known valuation is $77.7M (May 2025).
- It has raised $24.0M across 1 recorded rounds; the latest was Seed Round ($3.7M) in Nov 2023.
- Notable investors include Sequoia Capital, GV, Pareto Holdings, Charles Songhurst, Preston-Werner Ventures — 24 tracked in total.
- Status: Privately Held (backing).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 24 names
- ·Watchlist + deal alerts for StackOne
Funding rounds
1 roundsAbout StackOne
Operator of an API standardization platform intended to let customers focus on their core product development while new connectors are added. The company's platform develops applications that integrate all the tools and ensure the security of customer data, enabling clients to detect new candidate applications in real-time and synchronize customer contacts and accounts.
- Industry
- Business/Productivity Software
- Sector
- Information Technology
- HQ
- Newbury, United Kingdom
- Founded
- 2023
- Employees
- 48
- Website
- stackone.com/
- Ownership
- Privately Held (backing)
StackOne 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 StackOne 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 StackOne in its N-PORT filings yet. We sweep new filings monthly.