Compliance Audit Checklist — SOC 2, HIPAA, GDPR

Compliance audits are not a technical exercise — they are an evidence collection exercise. Companies that fail their first compliance audit almost always fail for the same reason: they had the controls in place but could not produce the evidence that the controls were operating consistently. This checklist covers the end-to-end compliance audit process for SOC 2 Type II, HIPAA, and GDPR — the three frameworks most relevant to B2B SaaS companies with enterprise customers or sensitive data. The preparation phase includes mapping your data flows, implementing the relevant controls, and establishing the evidence collection process (usually in a ticketing system like Jira or Linear). The audit phase includes engaging an auditor, responding to information requests, and resolving findings. The post-audit phase includes tracking remediation items and preparing for the next audit cycle. For SOC 2 Type II: 3-6 months of control operation before you can schedule the audit, then 4-8 weeks for the audit itself. For SOC 2 Type I: 2-4 weeks of control implementation, then 2-4 weeks for the audit. Most companies underestimate the preparation timeline by 50% or more — start at least six months before you plan to engage an auditor for SOC 2 Type II. Key structural requirement: do not start the compliance checklist without a ticketing system in place. Every access request, security incident, and policy review needs a documented trail. Without this, the audit evidence collection will be chaos.

SOC 2 Type II Controls

Security: Access controls, encryption at rest and in transit, penetration testing schedule
Availability: Uptime SLAs, disaster recovery plan, incident response procedures
Confidentiality: Data classification policy, NDA framework, retention/destruction schedule
Processing Integrity: Change management process, code review policies, QA procedures
Privacy: Data subject request process, consent management, third-party DPA inventory

HIPAA Readiness

Administrative safeguards: Privacy Officer appointed, workforce training completed
Physical safeguards: Facility access controls, workstation use policies
Technical safeguards: Unique user IDs, automatic logoff, encryption, audit logs
Business Associate Agreements (BAAs) executed with all vendors handling PHI
Breach notification procedures documented and tested

GDPR Compliance

Lawful basis for processing documented for each data category
Privacy notices updated with required disclosures
Data Subject Access Request (DSAR) process < 30 days
Records of processing activities (Article 30) maintained
Data Protection Impact Assessment (DPIA) process established
Cross-border transfer mechanisms (SCCs or adequacy decisions) in place

Audit Preparation

Evidence collection folder organized by control area
Control owners assigned and responsible for evidence
Gap remediation log with owners and target dates
Management representation letter prepared
Prior audit findings fully remediated

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Frequently Asked Questions

What is the difference between SOC 2 Type I and Type II audits?

SOC 2 Type I evaluates your security controls at a single point in time — "does your system have the controls in place on this date." SOC 2 Type II evaluates whether those controls have been operating effectively over a period of time, typically 6–12 months. Most enterprises and PE-backed companies require Type II because it provides evidence that controls are not just documented but actually working. A Type I audit takes 2–4 weeks to complete; a Type II takes 6–12 months of evidence collection before you can be audited.

How long does a SOC 2 audit take to prepare for?

For a SOC 2 Type II: 3–6 months of control operation before you can schedule the audit, then 4–8 weeks for the audit itself. For a SOC 2 Type I: 2–4 weeks of control implementation, then 2–4 weeks for the audit. Most companies that fail the first audit do so because they underestimated the evidence collection requirement — you need a ticketing system (Jira, Linear, or equivalent) that tracks every access request, every security incident, and every policy review. Do not start the compliance checklist without a ticketing system in place.

What does GDPR compliance cost for a small SaaS company?

For a SaaS company with under 100 employees handling EU personal data: the minimum is a GDPR-compliant privacy policy, a data processing agreement with all vendors who touch EU data, a mechanism for users to request data deletion or portability, and a documented breach notification process (72-hour deadline after discovery). Full compliance with a DPO (Data Protection Officer) typically adds $15,000–$40,000/year in legal and consulting fees for companies under 250 employees. Do not assume a privacy policy template is sufficient if you have EU customers.

How do you scope a compliance audit for the first time?

Start by identifying the regulatory requirements that apply to your business: SOC 2 for B2B SaaS with enterprise customers, HIPAA for health data, GDPR for EU customers, CCPA for California residents. Map your data flows — where does sensitive data come from, where is it stored, who has access, and where does it go. Then assess gaps against the relevant control framework. The compliance audit checklist in this resource covers the control areas for SOC 2 Type II, HIPAA, and GDPR — use it to build a gap assessment before engaging a compliance auditor.