Reach Security
Reach Security sells software that integrates with existing security systems to identify vulnerabilities and automate fixes. The company has raised $30M in Series A funding and employs 88 people.
The growth story
Reach Security grew from 5 to 88 employees between 2021 and 2026, raising $30M along the way, most recently a Series A in July 2025.
About
Reach Security develops a security platform that connects to customers' existing tools to detect gaps in defenses, prioritize issues, and automatically correct misconfigurations. The system continuously monitors security posture as environments change. Its target customers are enterprise security teams looking to optimize their existing security investments.
The company was founded in 2021 by veterans from Palo Alto Networks and Proofpoint. It has grown to 88 employees and secured $30M in Series A funding in 2025 from investors including M12 and Ballistic Ventures.
Founders and leadership
Engineering is the largest function with 30 employees. The leadership team includes security industry veterans from Palo Alto Networks and Proofpoint.
The Reach Security org chart
Garrett Hamilton (Co-Founder and CEO) leads 20 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 32 (+113% YoY), Sales 23 (+109% YoY), Business Development 8 (+167% YoY), Marketing 6 (+50% YoY), Entrepreneurship 4 (-20% YoY), Information Technology 4 (-20% YoY).
Talent flow
The company recruits heavily from cybersecurity firms like Cylance, Palo Alto Networks, and Sysdig. Alumni have gone on to found companies including JetStream Security and Sondera.
Most common previous employers of Reach Security staff: Cylance (7), Palo Alto Networks (7), Sysdig (7), SentinelOne (5), Lacework (5), Aim Security (Now part of Cato Networks) (4). Former Reach Security employees most often moved to JetStream Security (8), Upwind Security (3), Clario (1), SG2 Recruiting (1), Presidio (1), Cogent (1).
Alumni worth knowing
The Reach Security mafia
Reach Security alumni have founded three companies, including JetStream Security (78 staff), Sondera (8 staff), and Clario (6 staff).
3Jared Phipps, was CRO, Reach Security until 2025Matthew Maisel, was Head of Research until 2025Yousuf Khan, was Investor until 2025What this company is made of
Most common skills at Reach Security: Leadership (35), Sales (31), Software as a Service (SaaS) (29), Management (28), Cloud Computing (28), Networking (25), Enterprise Software (24), Solution Selling (23).
Where the team actually sits
Reach Security people are concentrated in California, United States (15), United States (5), Texas, United States (4), Los Angeles Metropolitan Area (4).
Search footprint
Reach Security attracts about 45,510 organic search visits a month, traffic worth roughly $51K a month if bought through ads. It gained 2,392 ranking keywords and lost 1,833 in the last period.
What employees say
- Compensation
- 5.00 / 5
- Career opportunities
- 5.00 / 5
- Senior management
- 5.00 / 5
- Work-life balance
- 5.00 / 5
Frequently asked
Reach Security has 88 employees as of September 2026.
Reach Security has raised $30M in total, most recently a Series A round in July 2025.
Reach Security was founded in 2021 by Garrett Hamilton, Colt Blackmore.
Garrett Hamilton (Co-Founder and CEO) sits at the top of Reach Security's reporting structure, with 3 direct reports.
The most common previous employers of current Reach Security staff are Cylance (7 people), Palo Alto Networks (7 people), Sysdig (7 people).
Former Reach Security employees most often move to JetStream Security (8), Upwind Security (3), Clario (1).
At least 3 companies have a founder who previously worked at Reach Security, including JetStream Security, Sondera, Clario.
Reach Security attracts about 45,510 organic search visits a month, worth roughly $51K a month in equivalent ad spend.
The most common skills among Reach Security staff are Leadership, Sales, Software as a Service (SaaS), Management, Cloud Computing.
Reach Security staff are concentrated in California, United States (15), United States (5), Texas, United States (4).
Reach Security has about 32 people in Engineering, up 113% over the past year, as of September 2026.
Reach Security has about 23 people in Sales, up 109% over the past year, as of September 2026.
Computed from 76 current and 30 former Reach Security profiles, as of September 2026. Source: Crustdata.
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