7 Cybersecurity Advisory services for SaaS companies

SaaS companies face increasing security demands from enterprise clients, regulators, and stakeholders. Whether it's closing high-value deals that require proof of robust security controls, achieving compliance certifications like SOC 2 or ISO 27001, or protecting cloud-native infrastructure, SaaS organisations need expert guidance to navigate these challenges efficiently.

Cybersecurity advisory services provide strategic leadership, technical expertise, and compliance acceleration without the cost and commitment of hiring a full-time CISO or building an in-house security team. Here are seven essential advisory services every SaaS company should consider.

1. Virtual CISO (vCISO) services

A Virtual Chief Information Security Officer delivers executive-level security leadership on a fractional or project basis. For growth-stage SaaS companies, a vCISO provides strategic guidance, board-level reporting, risk governance, and policy development—often at a fraction of the cost of a full-time hire.

vCISO services help SaaS teams align security investments with business goals, prioritise remediation efforts, and demonstrate leadership during audits and enterprise sales processes. Leading providers specialising in cloud and SaaS environments include firms like Securance, Fractional CISO, and Evalian.

2. SOC 2 and ISO 27001 Readiness and Compliance

Achieving SOC 2 Type 2 or ISO 27001 certification is often a requirement for closing enterprise deals or expanding into regulated markets. Cybersecurity advisory firms guide SaaS companies through gap assessments, control implementation, policy drafting, and pre-audit preparation.

Securance's Single Audit, Multiple Standards approach streamlines compliance by addressing SOC 2, ISO 27001, and other frameworks simultaneously, reducing audit fatigue and accelerating time-to-certification. With expert support, companies can achieve SOC 2 Type 1 readiness in 2–3 months and ISO 27001 in 6–12 months.

3. Cloud Security Assessments

SaaS companies rely on cloud infrastructure (AWS, Azure, GCP) and third-party SaaS applications (Okta, Microsoft 365, Salesforce). Misconfigurations, excessive permissions, and inadequate access controls are common risks. Cloud security assessments identify weaknesses in cloud architecture, identity and access management (IAM), data encryption, and multi-tenancy controls.

Advisory firms conduct configuration reviews, SaaS Security Posture Management (SSPM), and cloud compliance checks to ensure alignment with CIS benchmarks, NIST frameworks, and vendor-specific best practices.

4. Penetration Testing and Vulnerability Assessments

Enterprise buyers often require independent penetration testing reports as part of vendor security reviews. Advisory services offer web application penetration testing, API security assessments, and cloud infrastructure testing tailored to SaaS environments.

Securance's penetration testing services simulate real-world attack scenarios to uncover vulnerabilities before threat actors do. Regular testing (annually or after major releases) helps SaaS companies maintain security posture and meet audit requirements.

5. Security Questionnaire and RFP Support

SaaS companies pursuing enterprise clients frequently face detailed security questionnaires (SIG, CAIQ, VSA) and Request for Proposal (RFP) security sections. Advisory services help teams prepare comprehensive, accurate responses, build answer banks, and develop evidence repositories.

This support accelerates sales cycles, reduces the burden on engineering teams, and ensures consistency across customer interactions—critical for companies moving up-market.

6. Risk Assessment and Remediation Roadmaps

A structured cybersecurity risk assessment aligned with ISO 27001, NIST CSF, or NIS2 identifies and prioritises threats based on business impact. Advisory firms conduct risk assessments, document findings, and create phased remediation roadmaps with clear timelines and ownership.

This structured approach ensures security investments deliver measurable risk reduction and align with compliance obligations, board expectations, and customer requirements.

7. Third-Party Risk Management (TPRM)

SaaS companies depend on dozens of vendors and service providers. Third-party risk management services help assess vendor security posture, monitor ongoing compliance, and manage contractual security obligations.

Advisory firms assist with vendor questionnaires, contract reviews, and continuous monitoring to ensure that supply chain risks are identified and mitigated—a growing concern under frameworks like NIS2 and GDPR.

When evaluating advisory firms, SaaS companies should prioritise providers with:

• SaaS and cloud security expertise: Understanding multi-tenant architecture, API security, and cloud-native threats
• Compliance specialisation: Proven track record with SOC 2, ISO 27001, and relevant frameworks
• Flexible engagement models: Retainer, project-based, or on-demand support to match growth stage and budget
• Integrated service delivery: Combining advisory, assurance, and technical security testing