Who are Stairwell's competitors?

Dropzone AI, Red Piranha, and Binary Defense are among the closest in Security Operations. The full competitive set, with overlap scoring, is in the platform.

What products does Stairwell sell?

Stairwell sells Stairwell, Stairwell Analyze, Stairwell Intelligent Analysis, and Stairwell Variant Discovery.

Stairwell

Security OperationsSunnyvale, United Statesfounded 2019private

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 56 people, and is privately held.

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updated Sep 12, 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

25/ 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.

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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

View the complete funding history

Stairwell employees and hiring

Stairwell has about 56 employees.

Employees: 56
30-day change: 0%
Open roles: 0

See hiring trends

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

Similar in Security Operations

Common questions about Stairwell.

How much funding has Stairwell raised?: Stairwell has raised $69.52M in priced equity. Its most recent round was a Series B in October 2022.
How many people work at Stairwell?: Stairwell has about 56 employees.
Who are Stairwell's competitors?: Dropzone AI, Red Piranha, and Binary Defense are among the closest in Security Operations. The full competitive set, with overlap scoring, is in the platform.
What does Stairwell do?: Stairwell is a cybersecurity company specializing in Security Operations, founded in 2019 and headquartered in Sunnyvale, United States.
What products does Stairwell sell?: Stairwell sells Stairwell, Stairwell Analyze, Stairwell Intelligent Analysis, and Stairwell Variant Discovery.