
Critical Start
Critical Start is a cybersecurity company specializing in Security Operations, founded in 2012 and headquartered in Plano, United States. It has raised $40M in equity across 1 priced round, employs about 258 people, and was acquired by Vista Equity Partners in 2022.
updated Oct 30, 2026
Latest Critical Start news and company activity
What Critical Start did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026RecognitionCritical Start Named in Managed SIEM Services Market Share Ranking
- Jul 2026Exec changeCritical Start Appoints Francine Geist as Chief Executive Officer
- Jun 2026Product launchCritical Start Delivers SOC AI: A Production-Proven Agentic Framework
- Apr 2022Mega roundCritical Start Secures Over $215 Million Strategic Growth Investment from Vista Equity Partners
Critical Start Momentum score
35/ 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.
Critical Start funding
Critical Start has raised $40M in priced equity. Its most recent round was a Private Equity in June 2019. Bregal Sagemount is the one investor on record.
- Equity raised
- $40M1 priced round
- Last round
- Private EquityJun 2019
Critical Start employees and hiring
As of September 2026, Critical Start has about 258 employees, down 7% over the last 30 days, with 3 open roles.
- Employees
- 258
- 30-day change
- -7%
- Open roles
- 3
Critical Start competitors
Competitors of Critical Start include UnderDefense, OneClickComply, and AhnLab. 100 more are in the platform, with overlap scoring.
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs3 live postings, role mix
- Tech stackframeworks, clouds, security










