SOC 2 is not legally mandatory, but for SaaS and cloud providers it is effectively required because enterprise customers demand it during procurement. Many deals stall without a current SOC 2 Type II report, so in practice it becomes a commercial requirement rather than a legal one.

Is SOC 2 a certification?

No. SOC 2 is an attestation, not a certification. A licensed CPA firm audits your controls and issues a report with its opinion, rather than awarding a certificate. The accurate term is SOC 2 attestation or SOC 2 report, which differs from ISO 27001, where an accredited body issues a certificate.

How long does SOC 2 take?

Most organizations reach SOC 2 in six to twelve months. A Type I report can be completed in three to six months, while a first Type II typically takes close to a year because it includes a three to twelve month observation window. Existing control maturity is the main factor that shortens or extends the timeline.

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

Type I assesses whether controls are designed correctly at a single point in time. Type II tests whether those controls operated effectively over a period, usually three to twelve months. Enterprise buyers prefer Type II because it demonstrates sustained control effectiveness rather than a snapshot.

Do I need both SOC 2 and ISO 27001?

Not necessarily. The frameworks overlap by roughly 80 percent, so many teams build one control set and map it to both. ISO 27001 is often preferred for international and product-led buyers, while SOC 2 is common with North American enterprises. Choose based on where your customers are and what they request.

SOC 2 Compliance: The Complete Guide for SaaS Teams

Q: How much does a SOC 2 audit cost?

In 2026, a SOC 2 Type I audit generally costs between $7,500 and $20,000, and a Type II between roughly $15,000 and $70,000. Total first-year cost, including readiness, tooling and staff time, ranges from about $25,000 for a small startup to over $200,000 for a large enterprise.

SOC 2 is an attestation framework from the American Institute of Certified Public Accountants (AICPA) that reports on how a service organization protects customer data. An independent CPA firm evaluates controls against five Trust Services Criteria and issues a report that enterprise buyers rely on during procurement.

What SOC 2 actually is (and is not)

SOC 2 is not, strictly speaking, a certification. Unlike ISO 27001, which awards a certificate from an accredited body, SOC 2 results in an attestation report signed by a licensed CPA firm. The correct term is a SOC 2 attestation, and the deliverable is an official report documenting that your organization has effective controls in place to safeguard customer data.

That distinction matters because it shapes what buyers receive. Instead of a one-page certificate, a prospect gets a detailed report describing your systems, the controls you operate, and the opinion of the auditor on them. For SaaS and cloud providers, that report has become a standard artifact in enterprise security reviews.

The five Trust Services Criteria

The AICPA defines five Trust Services Criteria that a SOC 2 engagement can cover. Security is mandatory in every audit; the other four are included only when they are relevant to the services you provide and the data you handle.

Security: systems are protected against unauthorized physical and logical access. This is the required baseline for every SOC 2 report.
Availability: the system is available for operation and use as committed, backed by monitoring, capacity planning and recovery.
Processing Integrity: processing is complete, valid, accurate, timely and authorized.
Confidentiality: information designated as confidential is protected throughout its lifecycle.
Privacy: personal information is collected, used, retained, disclosed and disposed of appropriately.

Most SaaS companies start with Security alone, then add Availability and Confidentiality as customer contracts demand them. Adding Privacy usually follows only when the product handles significant volumes of personal data.

Type I versus Type II

There are two report types, and the difference is timing. A Type I report is a point-in-time assessment: the auditor confirms your controls are designed correctly on a specific date. A Type II report tests whether those controls operated effectively across a period, typically three to twelve months of continuous observation.

Enterprise buyers almost always want a Type II report because it proves controls work over time rather than on a single lucky day. Many teams sequence the two: they earn a Type I quickly to unblock a deal, then run the observation window to produce the Type II.

According to 2026 vendor pricing surveys, a SOC 2 Type I audit typically runs between $7,500 and $20,000, while a Type II ranges from roughly $15,000 to $70,000. Total first-year cost, including readiness work, tooling and internal time, spans about $25,000 for a small startup to more than $200,000 for a large enterprise (Bright Defense, Sprinto, 2026).

The audit process and timeline

Most organizations complete SOC 2 within six to twelve months. A Type I engagement usually wraps in three to six months. A first Type II is typically just under a year: around three months of readiness, a six-month observation window, then a few weeks for the auditor to complete the report. The single biggest variable is how mature your existing controls already are.

The work itself follows a predictable arc: define scope and select criteria, run a readiness assessment to find gaps, remediate those gaps, collect evidence during the observation period, and undergo the fieldwork of the auditor before the report is issued.

SOC 2 versus ISO 27001

The two frameworks overlap heavily. According to AICPA mapping guidance, roughly 80 percent of SOC 2 criteria and ISO 27001 controls align, covering access control, incident response, change management, vendor management and physical security. Once you have a mature ISO 27001 ISMS, adding SOC 2 is often 40 to 60 percent cheaper than starting cold, because the policies and evidence already exist.

The pragmatic strategy is to build controls once and map them to both frameworks. If you are weighing certification, our guide to the ISO 27001 certification process and our ISO 27001 and NIST integration guide explain how a single control set can satisfy several standards at once. Note that shared controls still need framework-specific evidence: SOC 2 auditors test operating effectiveness over the report period, while ISO 27001 auditors expect controls to tie back to the ISMS and risk treatment plan.

A readiness checklist to get started

Decide which Trust Services Criteria beyond Security your customers require.
Define the system boundary and scope the audit tightly around it.
Run a gap assessment against the criteria and prioritize remediation.
Document policies for access control, change management, incident response and vendor risk.
Deploy continuous monitoring and centralized evidence collection.
Choose Type I first if you need speed, then run the Type II observation window.
Select an independent CPA firm and align on scope before fieldwork begins.

Treated well, SOC 2 stops being a one-off scramble and becomes a repeatable annual cycle. Because reports carry a defined validity window, mature teams keep controls running continuously so each renewal is evidence collection rather than a fresh project.