What Is SOC 2? The Complete Guide for SaaS Companies

TL;DR

• SOC 2 is an AICPA security framework with 5 Trust Service Criteria: Security (required), Availability, Processing Integrity, Confidentiality, Privacy.
• Not a legal requirement — but 85–95% of enterprise B2B SaaS procurement processes demand it.
• Type I readiness: 4–8 weeks. Type II: add a 3–12 month observation period. Must be audited by a licensed CPA firm.

If you sell software to businesses, you will encounter SOC 2. It is the most requested security attestation in North American enterprise procurement, and increasingly required worldwide. This guide covers what SOC 2 actually is, who needs it, what the audit process looks like, and how to get started without wasting time or money.

SOC 2 in Plain Language

SOC 2 stands for Service Organization Control 2. It is a framework created by the American Institute of Certified Public Accountants (AICPA) that defines how service organizations should manage customer data. Unlike ISO 27001 (which is a certification), SOC 2 produces an auditor's report — a document issued by a CPA firm after examining your controls.

The report answers one question for your customers: does this company have adequate controls to protect our data? Enterprise buyers use SOC 2 reports as proof that their vendors meet minimum security standards. Without one, deals stall or die at the procurement stage.

For a detailed comparison with the international alternative, see our guide on SOC 2 vs ISO 27001.

The Five Trust Service Criteria

SOC 2 is organized around five Trust Service Criteria (TSC). You choose which criteria to include in your audit scope.

Security (Required) — Also called the Common Criteria (CC1-CC9). Covers access controls, system monitoring, change management, risk assessment, and incident response. Every SOC 2 report includes Security. For the detailed evidence requirements per control family, see our SOC 2 evidence checklist.

Availability — Covers uptime, disaster recovery, and capacity planning. Include this if you have SLA commitments, which most SaaS products do.

Processing Integrity — Relevant for products that process transactions, calculations, or data transformations where accuracy matters. Payment platforms and analytics engines should include this.

Confidentiality — Covers protection of data designated as confidential. Include this if customers store sensitive business data in your platform.

Privacy — Applies when you collect personal information directly from individuals. More relevant for consumer-facing products than B2B SaaS.

Most B2B SaaS companies start with Security plus Availability, then expand in subsequent audit cycles.

SOC 1 vs SOC 2 vs SOC 3

SOC 1 evaluates controls relevant to financial reporting. If you process payroll, invoices, or financial transactions on behalf of customers, SOC 1 may apply. Most SaaS companies do not need SOC 1.

SOC 2 evaluates security and operational controls. This is what enterprise procurement asks for when they say "send us your SOC report."

SOC 3 is a public-facing summary of a SOC 2 report. It contains the auditor's opinion but not the detailed control descriptions. Useful for your trust page but not a substitute for the full SOC 2 report in procurement.

Type I vs Type II

Type I evaluates whether your controls are designed correctly at a single point in time. Think of it as a snapshot. It proves you have the right controls in place, but not that they work consistently.

Type II evaluates whether controls operated effectively over a period, typically 3 to 12 months. This is what enterprise buyers want because it proves sustained execution, not just good intentions.

Most companies start with Type I to unblock immediate deals, then transition to Type II for long-term credibility. For detailed Type II requirements, see our complete Type II guide.

Who Needs SOC 2

You need SOC 2 if any of these are true:

• You sell to companies with 500 or more employees
• Enterprise procurement has asked for your SOC 2 report
• You handle customer data in any capacity (storage, processing, transmission)
• Your competitors already have SOC 2 reports
• You want to enter the mid-market or enterprise segment

You probably do not need SOC 2 yet if you only sell to small businesses, have fewer than 10 customers, or your product does not touch customer data.

The Audit Process

The SOC 2 audit follows a structured process:

Readiness Assessment (4-8 weeks) — Gap analysis against the Trust Service Criteria, control design, policy creation, and evidence workflow setup. This is where most of the work happens.

Observation Period (Type II only, 3-12 months) — Your controls must operate effectively during this window. The auditor collects evidence throughout the period.

Audit Examination (2-4 weeks) — The CPA firm reviews your evidence, interviews control owners, and tests controls. They produce the SOC 2 report with their opinion.

Report Issuance — You receive the final report to share with customers and prospects. Reports are typically valid for 12 months.

For a week-by-week implementation plan, see our audit readiness checklist.

Common Mistakes

Overscoping — Including all five TSC in your first audit adds months of work. Start with Security plus Availability.

Skipping readiness — Going directly to audit without a readiness assessment results in findings, exceptions, and a report that undermines buyer confidence.

Treating it as a project — SOC 2 is an ongoing program, not a one-time project. Controls must continue operating after the report is issued.

Ignoring evidence quality — Undated screenshots, missing timestamps, and disorganized artifacts delay audits and create findings.

Getting Started

The fastest path to SOC 2 involves three parallel workstreams: control implementation, evidence automation, and auditor engagement. Start all three early rather than waiting until controls are perfect.

If your team is under procurement pressure and needs to move fast, explore our SOC 2 readiness services or schedule a scoping call to get a concrete timeline and budget within 24 hours.