Reach Security
San Francisco, US · Founded 2021 · 94 employees on LinkedIn · 8 known investors
Reach provides a platform for organizations to identify and remediate hidden security risks, exposures, and misconfigurations across their existing security tools. The company serves enterprise organizations seeking to reduce security risk and improve their overall security posture through guided, automated remediation.
Founders & leadership
Reach Security was founded in 2021 by Garrett Hamilton and Colt Blackmore.
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Garrett HamiltoninCEO and Co-FounderGarrett Hamilton is CEO and co-founder of Reach Security, which helps organizations identify and remediate hidden risks and misconfigurations across their existing security tools. He previously spent six years leading SaaS product management and go-to-market teams at Palo Alto Networks, and earlier worked on threat analysis, memory forensics training for federal agencies, and consulting at HBGary at an earlier security startup.
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Colt BlackmoreinCo-Founder and CTOCo-founder and CTO of Reach Security, which offers a platform for identifying and remediating hidden security risks, exposures, and misconfigurations across an organization's existing security tools. He works on security software, including ML-powered threat and intelligence systems for boards and executives, and previously pursued a humanities Ph.D.
Board
GE
Investors · 8
Artisanal VenturesTiburon
Ballistic VenturesSan Francisco · $1M – $5M
Cheyenne VenturesWoodside
M12 (Microsoft's Venture Fund)Seattle · $100K – $10M
Ridge VenturesSan Francisco · $2M – $7M
TechOperators Venture CapitalAtlanta · $1M
Webb Investment NetworkSan Francisco · $500K – $750K
Also in the syndicate · 1
M12
Funding
SEC filings, press & company announcements$30M disclosed across 2 rounds · 2024–2025
- $10MraisedJul 2025 · 3 sources
M12
Source ↗ - $20MSeries AMar 2024 · 2 sources
Ballistic Ventures (lead), Artisanal Ventures, Ridge Ventures, TechOperators, Webb Investment Network
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlap
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Sentinel One83 shared keywordsSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.
Cymulate78 shared keywordsCymulate provides a cybersecurity platform for security validation and exposure management, helping companies assess and strengthen their security posture. Founded in 2016, it serves over 1,000 customers across 50 countries.
Netezza78 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Crowdstrike78 shared keywordsCrowdStrike provides an AI-native cybersecurity platform that unifies endpoint, identity, cloud, SaaS, and AI protection to detect and stop breaches for enterprise organizations. It combines automated response with human-led security operations including managed detection and response, threat hunting, and security services.
Check Point Software73 shared keywordsCheck Point Software Technologies is a cybersecurity company providing security products and solutions. This page is its investor relations section, containing annual reports, SEC filings, financial results, and corporate governance information.
Safe Security70 shared keywordsSAFE Security provides an AI-driven platform for cyber risk management, covering third-party risk management (TPRM), continuous threat exposure management (CTEM), AI security posture management (AI-SPM), and cyber risk quantification (CRQ). It uses an agentic workflow engine with native integrations to serve enterprise organizations, including a portion of the Fortune 500.
Sprinto60 shared keywordsSprinto is a compliance and governance, risk, and compliance (GRC) platform that automates security compliance across 200+ frameworks such as SOC 2, ISO 27001, HIPAA, GDPR, and PCI DSS. It serves companies from Series A to enterprise, covering compliance, vendor risk, AI governance, and audit preparation through integrations with cloud, identity, HR, and SaaS systems.
Picus Security59 shared keywordsPicus operates a security validation platform that uses AI agents to combine automated penetration testing, exposure validation, and breach and attack simulation, testing whether real exploit chains would succeed against a customer's EDR, SIEM, firewall, and WAF controls. It serves enterprise security teams and CISOs to prioritize vulnerabilities and produce evidence for leadership and regulators.
Upguard57 shared keywordsUpGuard provides a platform for managing cybersecurity risk, including third-party vendor and supply chain risk assessment. It is aimed at organizations seeking to evaluate and monitor the security posture of their vendors.
Companies competing with Reach Security for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Reach Security do?
- Reach provides a platform for organizations to identify and remediate hidden security risks, exposures, and misconfigurations across their existing security tools. The company serves enterprise organizations seeking to reduce security risk and improve their overall security posture through guided, automated remediation.
- Who founded Reach Security?
- Reach Security was founded by Garrett Hamilton, Colt Blackmore in 2021.
- Who are Reach Security's investors?
- Reach Security's investors include Artisanal Ventures, Ballistic Ventures, Cheyenne Ventures, M12 (Microsoft's Venture Fund), Ridge Ventures, TechOperators Venture Capital, Webb Investment Network.
- How much funding has Reach Security raised?
- Reach Security has disclosed $30M raised across 2 rounds.
- Where is Reach Security headquartered?
- Reach Security is headquartered in San Francisco, US.