Start Left® Security
Modern Product Security, All in One Platform. Designed for Software Companies.
26 employees · est. 2019 · Jacksonville Beach, United S...
ThirdPartyTrust, a Bitsight company is the older company (2019 vs 2014); Start Left® Security is the larger of the two.
Side-by-Side Comparison
| Metric | Start Left® Security | ThirdPartyTrust, a Bitsight company |
|---|---|---|
| Founded | ||
| Founded | 2019 | 2014 older |
| Headquarters | ||
| Headquarters | Jacksonville Beach, United States | Boston, United States |
| Employees | ||
| Employees | 26 larger | 8 |
| Industry | ||
| Industry | Analytics, Big Data, Cloud Infrastructure | Enterprise Software, SaaS, Supply Chain |
| Funding Stage | ||
| Funding Stage | Seed | Seed |
| Total Funding | ||
| Total Funding | $3.00M | $4.95M |
| Funding Rounds | ||
| Funding Rounds | 1 | 3 |
| Services | ||
| Services | Security Risk Assessment, Remediation Services, Audit Readiness, Platform Activation, Sales & Procurement Enablement, M&A & Investor Readiness | Not tracked yet |
| Target Customers | ||
| Target Customers | SaaS Companies, Software Development Teams, CISOs and CTOs, Private Equity Firms, M&A Stakeholders | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Security Posture Management, Risk Assurance Score, Gamified Security Training, AI-driven Insights, DevSecOps Gamification, Chief Product Security Officer Platform, Software Supply Chain Security, Product Security, Application Security Posture Management, Secure Code Training, Third Party Risk Management, Software Composition Analysis, Static Application Security Testing, Dynamic Application Security Testing, CI/CD Security | Third Party Risk Management, Vendor Risk Management, Vendor Intelligence, Risk Assessment, Vendor Security, Cyber Threats, GRC, Due Diligence, Data Breach Prevention |
| Website | ||
| Website | startleftsecurity.com | thirdpartytrust.com |
About Start Left® Security
Start Left® Security, founded in 2019 and headquartered in the United States, is making a notable mark in the cybersecurity industry. The company offers a unique and comprehensive platform that unifies Security Posture Management (SPM) with Third Party Risk Management (TPRM). By focusing on people,...
About ThirdPartyTrust, a Bitsight company
ThirdPartyTrust, a Bitsight company ThirdPartyTrust is a third-party risk management platform for companies and vendors to perform assessments, automate TPRM workflows, and share security documents. The platform aims to streamline the process by moving programs out of emails and spreadsheets, and a...
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Compiled from the BounceWatch company index. We last looked at Start Left® Security on 31 Mar 2026, and ThirdPartyTrust, a Bitsight company on 11 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.