Directory / Agent Identity & Security

Stairwell

Stairwell provides the ground truth security teams need to find threats others miss. It reasons through every executable file that has touched an enterprise environment to investigate threats end-to-e

Stairwell is a Stairwell provides an AI-powered security operations and threat intelligence platform for finding, analyzing, and responding to threats through continuous private file analysis and recursive threat hunting. The pricing page says the product is billed annually as "one price per asset" and directs prospects to contact sales for a quote. AI agent company selling to Security operations teams / SOC and threat intelligence practitioners. Latest disclosed round: Series B ($45M, 2022-10-11). About 59 employees, +7.1% over 6 months.

Headcount
59
—▲ 7.1%3m · 6m
src: Clay (LinkedIn)
X followers
—
——7d · 30d
Traffic / month
47.3K
src: Clay (web traffic)
// profile

Product

Agent type
Stairwell provides an AI-powered security operations and threat intelligence platform for finding, analyzing, and responding to threats through continuous private file analysis and recursive threat hunting. The pricing page says the product is billed annually as "one price per asset" and directs prospects to contact sales for a quote.
Primary buyer
Security operations teams / SOC and threat intelligence practitioners
Integrations
—
MCP support
—
HQ
Sunnyvale, California, US
src: Clay enrichment 2026-11-04
Founded
2019
src: Clay enrichment 2026-11-04
LinkedIn
Profile ↗
// capital

Funding

Date
Oct 11, 2022
Investors
Accel; Acequia Capital (acecap); Allen & Company; Ballistic Ventures; Eric Schmidt; Gradient; Lux Capital; Michael Ovitz; Njf Capital; S32; Sequoia Capital
src: Clay enrichment 2026-11-04
// team

Hiring

Employees
59
src: Clay (LinkedIn)
Growth 3m / 6m
— / +7.1%
src: Clay (LinkedIn)
Open roles (sample)
—
X mentions this week
—
X handle
—
// x.com

Top launch posts

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No posts tracked yet

This view fills in automatically once the weekly dataset is loaded.

// press

Recent news

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Sources

Last verified: Nov 4, 2026
Headcount
Clay (LinkedIn)
Open jobs
—
Traffic
Clay (web traffic)
X metrics
—
X handle (homepage-verified)
—
Clay enrichment
Clay enrichment 2026-11-04
seed_type
Company homepage (curated market-map list)
funding_status
Verified (primary/press)
funding_source_type
primary
// related

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// faq

About Stairwell

What does Stairwell do?+

Stairwell provides the ground truth security teams need to find threats others miss. It reasons through every executable file that has touched an enterprise environment to investigate threats end-to-e

How much has Stairwell raised most recently?+

Series B of $45M on Oct 11, 2022, led by {"Section 32"}.

How many employees does Stairwell have?+

About 59 (3-month growth —).

How is Stairwell priced?+

Contact sales.

// cite

Cite this data

Stairwell profile. Agent Market Map, The GTM Engineering Newsletter. Last verified Nov 4, 2026. https://agentmarketmaps.com/company/stairwell