Offensive security services platform providing pentest-as-a-service with access to a vetted community of security researchers for app testing.
Cobalt is a pioneering company in Pentest as a Service (PtaaS) and offensive security services. They combine human talent with technology to provide scalable and expert security testing solutions, enabling organizations to identify and remediate vulnerabilities, and accelerate risk mitigation.
Our take on Cobalt
Cobalt is a well-established player in the application security testing space, headquartered in San Francisco, CA. Founded in 2013, the company has built a mid-sized organization with strong depth that serves a diverse range of clients across multiple industries including financial services, healthcare, technology, and government sectors.
Their core service offerings span PTaaS, Penetration Testing, Offensive Security, Web App Testing, among other specialized capabilities. Cobalt has positioned itself as a reliable partner for organizations seeking to identify and remediate vulnerabilities in their software applications before they can be exploited by malicious actors. The company's approach emphasizes both automated scanning technologies and expert-driven assessment methodologies.
One of the notable strengths of Cobalt is its commitment to staying current with evolving threat landscapes and emerging attack vectors. Their security professionals bring deep technical expertise and industry certifications that add credibility to their assessments. Clients frequently cite the quality of reporting and actionable remediation guidance as key differentiators.
From a service delivery standpoint, Cobalt demonstrates professionalism in project management, clear communication throughout engagements, and thorough documentation of findings. Their solutions are designed to integrate into modern development workflows, supporting organizations in their shift-left security initiatives and DevSecOps transformations.
For organizations evaluating application security testing providers, Cobalt represents a solid option worth considering. Their combination of technical capabilities, industry experience, and commitment to client success makes them a competitive choice in the San Francisco market and beyond. Prospective clients should evaluate specific service offerings against their unique requirements to ensure the best fit for their security program needs.
Verified credentials and recognition earned by Cobalt
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This agency has a verified website presence.
LinkedIn Verified
This agency has a verified LinkedIn company page.
Top Rated
This agency has an exceptional AgencyCluster score of 80+.
10+ Years
Established in 2013. Over 10 years of experience.
Enterprise
Enterprise (500+)
Rankings earned on AgencyCluster
Common questions about Cobalt.
Cobalt has earned rankings on 5 AgencyCluster lists: Top 25 Application Security Testing in California, Top 10 Application Security Testing in California, Top 50 Application Security Testing, and 2 more. Their highest AgencyCluster Score is 97/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.
In our evaluation for Application Security Testing, Cobalt scores 97/100 overall. Their strongest areas are Credibility, Proof of Work & Outcomes, Reputation, Delivery Maturity, Freshness, Category Fit. A high Outcomes score means they have verifiable case studies with measurable results — the most heavily weighted factor in our methodology.
Cobalt was founded in 2013, giving them over a decade of experience in application security testing. In an industry where many agencies are less than 5 years old, 13+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is enterprise.
Yes. Cobalt has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For Cobalt, verified signals include a functioning website, LinkedIn company profile, 13+ years of operating history (founded 2013), 5 earned rankings on curated top lists.
