What Is SOC 2? A Practical Guide for SaaS Companies

SOC 2 (System and Organization Controls 2) is a security and compliance framework developed by the American Institute of Certified Public Accountants (AICPA). It defines how service organizations should manage customer data based on five Trust Service Criteria: security, availability, processing integrity, confidentiality, and privacy.

For SaaS companies, SOC 2 has become the de facto standard for demonstrating that your infrastructure, processes, and controls protect customer data. If you sell to mid-market or enterprise customers, the question isn’t whether you’ll need SOC 2 — it’s when.

Why SOC 2 Matters for SaaS Companies

Customer trust is the currency of SaaS. Your customers are handing you their data — employee records, financial information, proprietary business data. A SOC 2 report is independent, third-party validation that you handle that data responsibly. It’s not a self-assessment or a checkbox exercise. It’s a CPA firm auditing your controls and issuing a formal opinion.

Enterprise sales require it. Walk into any enterprise procurement process without a SOC 2 report and you’ll hit a wall. Security questionnaires will ask for it. Vendor risk teams will require it. Deals that should take weeks will stall for months — or die entirely. SaaS companies with a SOC 2 report close enterprise deals faster because the security conversation is already answered.

Competitive advantage is real. In crowded SaaS markets, SOC 2 compliance differentiates you from competitors who haven’t invested in it. When a prospect is evaluating two similar products and only one has a SOC 2 report, the decision gets easier. Early-stage companies that invest in SOC 2 signal maturity that punches above their weight.

It forces you to build better systems. The process of achieving SOC 2 compliance — documenting policies, implementing monitoring, formalizing incident response — makes your organization more resilient. These aren’t bureaucratic exercises. They’re the operational foundations that prevent outages, breaches, and the kind of chaos that kills SaaS companies.

The 5 Trust Service Criteria

SOC 2 is organized around five Trust Service Criteria (TSC). You choose which criteria to include in your audit based on what’s relevant to your service. For a detailed breakdown, see our Trust Service Criteria guide.

1. Security (Required)

Security is the only mandatory criterion — every SOC 2 report includes it. Also referred to as the Common Criteria, it covers protection against unauthorized access, both physical and logical. This includes firewalls, intrusion detection, multi-factor authentication, encryption, and access controls.

SaaS example: You implement role-based access control so that only your on-call engineers can access production databases, and every access event is logged and reviewed.

2. Availability

Availability addresses whether your system is operational and accessible as agreed upon — typically defined in your SLA. It covers uptime monitoring, disaster recovery, failover mechanisms, and capacity planning.

SaaS example: You maintain a 99.9% uptime SLA, with automated failover to a secondary region and a documented incident response plan for service disruptions.

3. Processing Integrity

Processing integrity ensures that system processing is complete, valid, accurate, timely, and authorized. This matters most for SaaS products that perform calculations, transactions, or data transformations.

SaaS example: Your billing platform processes subscription charges accurately, with reconciliation checks that catch discrepancies before invoices are sent to customers.

4. Confidentiality

Confidentiality addresses data designated as confidential — trade secrets, intellectual property, business plans, or any information restricted to specific parties. It covers encryption, access restrictions, and secure disposal.

SaaS example: Customer data in your multi-tenant application is logically isolated, encrypted at rest with AES-256, and access is restricted to authenticated API calls with valid tenant tokens.

5. Privacy

Privacy relates to the collection, use, retention, disclosure, and disposal of personal information in conformity with the organization’s privacy notice and AICPA’s Generally Accepted Privacy Principles. If your product handles personal data extensively, this criterion aligns your privacy practices with your SOC 2 controls. SaaS companies subject to GDPR often include this criterion to demonstrate a unified approach to data protection.

Type I vs. Type II

SOC 2 reports come in two types, and the distinction matters for your timeline, cost, and what the report actually proves.

Type I evaluates the design of your controls at a single point in time. It answers: “Are the right controls in place?” A Type I report is faster and cheaper, making it a reasonable starting point for SaaS companies pursuing SOC 2 for the first time.

Type II evaluates the design and operating effectiveness of your controls over a period of time — typically 6 to 12 months. It answers: “Are the controls working consistently?” Type II is what enterprise customers expect and what carries real weight in procurement decisions.

Most SaaS companies start with a Type I to demonstrate commitment, then move to a Type II within 12 months. For a detailed comparison, see our Type I vs. Type II guide.

Who Needs SOC 2?

SOC 2 isn’t a legal requirement — no regulator mandates it. But the market effectively does. You likely need SOC 2 if you are:

• A B2B SaaS company handling customer data. If your customers store, process, or transmit data through your platform, they need assurance that their data is protected.
• Selling to mid-market or enterprise customers. These buyers have vendor risk management programs that require SOC 2 reports from their SaaS providers.
• A cloud service provider or infrastructure company. If other companies build on top of your platform, your SOC 2 report becomes part of their compliance story.
• Processing financial, health, or otherwise sensitive data. Industries with heightened regulatory scrutiny expect their vendors to demonstrate compliance through frameworks like SOC 2.
• Growing internationally. SOC 2 combined with frameworks like GDPR and ISO 27001 shows global customers that you take data protection seriously across jurisdictions. For a detailed comparison of how SOC 2 and ISO 27001 complement each other, see our ISO 27001 vs SOC 2 guide.

Getting Started with SOC 2

Here’s the practical path from “we need SOC 2” to a completed report:

1. Understand your scope. Decide which Trust Service Criteria are relevant to your service. Start with Security — it’s mandatory — and add others based on your customers’ expectations and your product’s nature. Read our Trust Service Criteria guide.

2. Choose Type I or Type II. For your first report, Type I gets you to market faster. Plan for Type II within the following year. See our Type I vs. Type II comparison.

3. Run a risk assessment. Identify threats to your systems, evaluate their likelihood and impact, and document your mitigation strategies. Our risk assessment guide walks through the process.

4. Draft your policies. You’ll need documented policies covering information security, access control, incident response, change management, vendor management, and more. Our policies and procedures guide covers the full list.

5. Implement controls and collect evidence. Controls are the mechanisms that enforce your policies. Evidence is the proof that those controls are operating. Our evidence collection guide explains what auditors expect.

6. Select an auditor. Only a licensed CPA firm can issue a SOC 2 report. Look for firms experienced with SaaS companies — they’ll understand your technology stack and won’t ask irrelevant questions about physical server rooms.

7. Complete the audit. Our audit process guide details what happens during the engagement and how to prepare your team.

For the complete step-by-step walkthrough, use our SOC 2 Compliance Checklist.

How GRCTrail Helps

GRCTrail gives SaaS teams a single platform to manage the entire SOC 2 journey — from initial scoping to audit completion and ongoing compliance.

• Guided SOC 2 readiness workflows that walk your team through each requirement without needing a consultant to interpret the criteria
• Policy templates built for SaaS companies, covering every SOC 2 control domain with language your auditor will accept
• Automated evidence collection that pulls control evidence from your existing tools — AWS, GitHub, Okta, and more — so you’re not chasing screenshots before audit season
• Risk assessment framework with a structured process for identifying, scoring, and tracking risks against SOC 2 criteria
• Continuous monitoring dashboards that flag control gaps before your auditor finds them
• Vendor management tracking to document third-party risk assessments and maintain an auditable vendor registry

Get started with GRCTrail →

Related Guides

• SOC 2 Compliance Checklist for SaaS Companies
• SOC 2 Trust Service Criteria Explained
• SOC 2 Type I vs. Type II: Which Do You Need?
• SOC 2 Audit Process: What to Expect
• SOC 2 Policies and Procedures Guide
• SOC 2 Risk Assessment Guide
• SOC 2 Evidence Collection Guide
• SOC 2 Common Criteria Explained
• SOC 2 Cost and Timeline for SaaS Companies
• What Is ISO 27001? A Practical Guide for SaaS Companies
• ISO 27001 vs SOC 2: Which Framework Do You Need?