

GreyCastle Security Information
Summary
GreyCastle Security is a private company that has been in the industry for 15 years. The company currently specializes in the Computer & Network Security, Internet Software, Fintech, Cybersecurity areas. The position of the CEO is occupied by Reg Harnish. Its headquarters is located at Troy, New York, USA. The number of employees ranges from 25 to 100. The annual revenue of GreyCastle Security varies between 5.0M and 25M. Total funding of the company - $1M. To connect with GreyCastle Security employee register on SignalHire.
Organization Website | greycastlesecurity.com |
Phone Number | 1-518-274-7233 |
Industries | |
Headquarters Location | 185 Jordan Rd, Troy, New York, 12180 US |
Employees Size | 100-200 employees |
Specialties | ISO 27001 Consulting, Incident Response, Awareness Training, Penetration Testing, Risk Assessment, Vulnerability Assessment, Governance, HIPAA Compliance, vCISO, Vendor Risk Management |
SIC Code | 7372 |
DMA Code | Capital District |
Founded | 2011 |
Estimated Annual Revenue | $5.0M - 25M |
Operating Status | Subsidiary |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 2014 | Partnership | 25 - 100 | < 1M | $260M | |
| 2014 | Privately Held | 1 - 25 | 2.3M | $10.8M | |
| 2013 | Privately Held | 100 - 250 | 50M | $110M | |
| 2014 | Privately Held | 100 - 250 | 6.2M | $53M |
Employees Turnover 4 quarter 2025
Length of Employment
Employee tenure at GreyCastle Security shows a diverse range of experience levels:
9% for 1–2 years23% for 3–4 years23% for 5–7 years14% for 8–10 years32% have over 11 years of service at GreyCastle SecuritySimilar Companies
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