It can be hard to pick the right company to do a cloud security assessment. As threats grow, compliance rules change, and multi-cloud environments become more common, trusting the wrong partner can leave holes in your defences. That’s why we’ve compiled a data-driven list of the best cloud security assessment companies in 2025—based on technical expertise, industry specialization, certifications, and real-world impact.
This guide lists companies that consistently deliver on their promises, whether you need a deep-dive cloud penetration test, a full SOC 2 or HIPAA audit, or a proactive red team to stress test your cloud perimeter.
What Makes a Great Cloud Security Assessment Partner?
Don’t just look at the homepage or pricing page of cloud security assessment companies when you’re comparing them. The right partner should feel like an extra member of your team, bringing technical knowledge, strategic insight, and operational clarity.
Here’s what you should look for:
1. Deep Technical Expertise in Multi-Cloud Environments
Your partner needs to do more than just check the surface. They need to know the ins and outs of AWS IAM policies, Azure AD misconfigurations, and GCP’s shared VPC problems, as well as how hackers exploit these problems in the real world.
2. Emulation of Real Threats, Not Just Box-Checking
The top companies use more than just scripted scans; they also use real-world strategies and adversary emulation. Instead of just following compliance scripts, you want testers who think like threat actors.
3. Alignment With Regulatory & Compliance Frameworks
Whether you’re aiming for SOC 2, HIPAA, ISO 27001, or FedRAMP, your assessment partner should map findings directly to your compliance goals—and offer remediation guidance, not just a PDF report.
4. Actionable Reporting & Executive Communication
Reporting that is clear and succinct is important. Seek out companies that bridge the gap between risk and action by providing executive summaries for leadership and thorough technical breakdowns for engineering.
5. Proven Track Record Across Industries
Choose a company with demonstrable success across SaaS, financial, healthcare, or government—depending on your environment. Industry experience means fewer assumptions and more tailored insights.
Top 5 Cloud Security Assessment Providers
1. Bluefire Redteam
Overview:
Bluefire Redteam is a specialist offensive security firm trusted by mid-market to enterprise companies for high-impact cloud security assessments, penetration testing, and adversary emulation. What sets Bluefire apart is its focus on real-world TTPs (Tactics, Techniques, and Procedures) and custom attack simulations tailored to multi-cloud environments like AWS, Azure, and GCP.
Why Bluefire Redteam:
- Cloud-native pentesting expertise across public and hybrid environments
- Incorporates MITRE ATT&CK and cloud kill chain models into every engagement
- Provides both executive-level insights and deep technical remediation plans
- Flexible, non-templated assessments aligned with client maturity and risk
Best For:
SaaS companies, financial services, and cloud-first enterprises seeking a bespoke cloud security engagement—not a one-size-fits-all scan.
2. Bishop Fox
Overview:
Using their Cosmos platform, Bishop Fox, a renowned offensive security company, provides a comprehensive range of cloud pentesting, red teaming, and ongoing security testing services. Their cloud assessments are supported by state-of-the-art research and extensive offensive experience.
3. NCC Group
Overview:
NCC Group is a global cybersecurity powerhouse with deep expertise in cloud security audits, penetration tests, and compliance mapping. Their massive bench of consultants enables audits at scale.
4. NetSPI
Overview:
With its Resolve platform, NetSPI provides cloud penetration testing-as-a-service (PTaaS). They combine automation and manual testing, provide in-depth insight into vulnerabilities, and are renowned for their consultative approach.
5. Rapid7
Overview:
While better known for its vulnerability scanning tools (like InsightVM), Rapid7 also offers cloud security assessments and red teaming services through its consulting arm.
How to Choose the Right Cloud Security Assessment Partner
Selecting the best provider involves more than just looking at credentials or logo counts; it also involves matching their approach and philosophy to your actual risk profile. Here’s how to choose wisely:
Questions to Ask Your Cloud Security Firm
- Do you emulate real-world threats, or rely mainly on automated scanning?
- How do you tailor your testing to AWS, Azure, or GCP specifically?
- Can you map findings to compliance frameworks (e.g., SOC 2, HIPAA)?
- Will your report include remediation recommendations with business impact?
- How do you stay up to date with evolving cloud attack techniques?
Internal Metrics to Know Before Booking
- Number of assets across each cloud provider
- Cloud provider configurations and IAM complexity
- Prior audit results or known misconfigurations
- Industry compliance requirements and timelines
- In-house vs. outsourced security capabilities
Your Cloud Is Only as Secure as What You Know About It
Cloud environments evolve fast. Threat actors move faster. The only way to keep up is by testing your environment the way attackers would—objectively, methodically, and proactively.
If you’re considering a cloud security assessment, start with the data.
Book a 7-day cloud security assessment today!
FAQs: Cloud Security Assessment Insights
- What is a cloud security assessment?An organised analysis of your cloud infrastructure to find risks, vulnerabilities, and misconfigurations across platforms such as AWS, Azure, or GCP is called a cloud security assessment. It guarantees adherence to regulations such as SOC 2, ISO 27001, and HIPAA and helps lower the risk of a breach.
- How often should you do a cloud pentest?
Most organizations perform cloud pentests annually, but high-risk industries or rapidly evolving environments (e.g., DevOps-heavy SaaS companies) may benefit from quarterly or semi-annual testing.
- What certifications should a cloud audit firm have?
Look for teams with certifications like:
-
OSCP / OSWE (offensive testing)
-
AWS Security Specialty / Azure SC-100
-
CISSP / CCSP for strategy and architecture
-
Experience with MITRE ATT&CK, NIST, and CIS Benchmarks
-
- How much does a cloud security assessment cost?
The cost of a cloud security assessment typically ranges from $5,000 to $50,000, depending on the scope, cloud platforms, and depth of testing required. Smaller SaaS startups may only need a focused audit, while enterprises with complex multi-cloud environments often require more extensive testing and compliance alignment.
