Stairwell
Stairwell is a cybersecurity company specializing in Security Operations, founded in 2019 and headquartered in Sunnyvale, United States. It has raised $69.52M in equity across 4 priced rounds, employs about 61 people, and is privately held.
updated Oct 4, 2026
Latest Stairwell news and company activity
What Stairwell did, dated — selected moves from the record, one per kind, newest first.
- Jul 2026Product launchStairwell Launches Backstory, the First Agentic Investigation Platform for Malware Blast Radius
- Oct 2025Exec changeEmmy Linder, CEO at Stairwell – Interview Series
- Jul 2025Exec changeStairwell Appoints Emmy Linder as New CEO to Lead Next Phase of Innovation and Growth
9 events tracked since Jul 2025 · selected events shownUnlock the complete Stairwell timeline
Stairwell Momentum score
51/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Stairwell products
Stairwell funding
Stairwell has raised $69.52M in priced equity. Its most recent round was a Series B in October 2022.
- Equity raised
- $69.52M4 priced rounds
- Last round
- Series BOct 2022
Stairwell employees and hiring
Stairwell has about 61 employees, up 3% over the last 30 days.
- Employees
- 61
- 30-day change
- +3%
- Open roles
- 0
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
