CoreStack is a privately held company. It is backed by 6 investors on record, including Post Road Group and Avatar Growth Capital.

Where is CoreStack headquartered?

CoreStack is headquartered in Bellevue, United States.

Who is the CEO of CoreStack?

Ezhilarasan Natarajan is the CEO of CoreStack.

Who founded CoreStack?

Ezhilarasan Natarajan, Krishnakumar Narayanan, and Sabapathy Arumugam are co-founders of CoreStack, founded in 2016.

Who are CoreStack's competitors?

AlgoSec, Orca Security, and Aqua Security Software Ltd. are among the closest in Cloud Security. The full competitive set, with overlap scoring, is in the platform.

What products does CoreStack sell?

CoreStack sells CoreStack Assessments.

CoreStack

Cloud SecurityBellevue, United Statesfounded 2016privatecorestack.io ↗

CoreStack is a cybersecurity company specializing in Cloud Security, founded in 2016 and headquartered in Bellevue, United States. It has raised $45.71M in equity across 4 priced rounds, plus $50M debt & credit, employs about 209 people, and is privately held.

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updated Oct 11, 2026

Latest CoreStack news and company activity

What CoreStack did, dated — selected moves from the record, one per kind, newest first.

Apr 2026AcquisitionCoreStack Acquires BetterCloud, Unifying Cloud Governance
Dec 2025Product launchCoreStack Announces Full Public Release of Graphion — Cloud-Native CNAPP
Nov 2025Exec changeCoreStack Appoints Ashish Saxena as Chief Growth Officer
Oct 2025Funding round

CoreStack Momentum score

43/ 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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CoreStack products

CoreStack AssessmentsAI-driven multi-cloud assessment platform for security & compliance evaluationDetails ↗

CoreStack funding

CoreStack has raised $45.71M in priced equity, plus $50M debt & credit. Its most recent round was a Debt Financing in October 2025. It has 5 funding rounds on record: Seed, Series A, Series A, Series B, and Debt Financing. 6 investors are on record, including Post Road Group and Avatar Growth Capital.

Equity raised: $45.71M4 priced rounds
Last round: Debt FinancingOct 2025
Other instruments: $50M debt

View the complete funding history

CoreStack employees and hiring

As of September 2026, CoreStack has about 209 employees, down 1% over the last 30 days.

Employees: 209
30-day change: -1%
Open roles: 0

See hiring trends

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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
Competitorsfull set, overlap scored
Leadershipevery exec, with roles
Customersnamed publicly, with sources
Reviews & newssentiment, coverage, cadence

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Funding, round by round, with the investors
Headcount, hiring and the people
The timeline of what they did, dated
The Mandos Brief every Monday

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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

Similar in Cloud Security

Common questions about CoreStack.

How much funding has CoreStack raised?: CoreStack has raised $45.71M in priced equity, plus $50M debt & credit. Its most recent round was a Debt Financing in October 2025. It has 5 funding rounds on record: Seed, Series A, Series A, Series B, and Debt Financing. 6 investors are on record, including Post Road Group and Avatar Growth Capital.
How many people work at CoreStack?: As of September 2026, CoreStack has about 209 employees, down 1% over the last 30 days.
Who owns CoreStack?: CoreStack is a privately held company. It is backed by 6 investors on record, including Post Road Group and Avatar Growth Capital.
Where is CoreStack headquartered?: CoreStack is headquartered in Bellevue, United States.
Who is the CEO of CoreStack?: Ezhilarasan Natarajan is the CEO of CoreStack.
Who founded CoreStack?: Ezhilarasan Natarajan, Krishnakumar Narayanan, and Sabapathy Arumugam are co-founders of CoreStack, founded in 2016.
Who are CoreStack's competitors?: AlgoSec, Orca Security, and Aqua Security Software Ltd. are among the closest in Cloud Security. The full competitive set, with overlap scoring, is in the platform.
What does CoreStack do?