SOC 2 Type 1 vs Type 2: Where to Start

SOC 2 Type 1 and Type 2 are two distinct reports produced under the same AICPA framework but differ fundamentally in what they measure. A Type 1 report describes the design of your controls at a single point in time. A Type 2 report tests whether those controls operated effectively over a defined period, typically 6 to 12 months. Most enterprise customers and regulated-industry buyers require a Type 2 report before signing contracts with a service organization, because it provides evidence of consistent control execution, not just paper design.

Understanding the SOC 2 Framework

SOC 2 stands for System and Organization Controls 2. It is an attestation engagement performed under the American Institute of Certified Public Accountants (AICPA) attestation standards, specifically AT-C sections 105 and 205, which are part of SSAE 18. SSAE 18, the Statement on Standards for Attestation Engagements No. 18, became effective for reports dated on or after May 1, 2017, and reorganized the earlier standards into the clarified AT-C format. A licensed CPA firm performs the examination and issues the report. Unlike a certification, SOC 2 produces an attestation report that the service organization shares with customers, prospects, and their auditors, usually under a non-disclosure agreement.

The examination evaluates controls against the Trust Services Criteria (TSC), published by the AICPA in TSP Section 100. There are five TSC categories:

• Security (required in every SOC 2 engagement)
• Availability
• Processing Integrity
• Confidentiality
• Privacy

Security, sometimes called the Common Criteria, underpins all other categories and must be included in every SOC 2 report. The other four categories are optional and are added based on what a service organization promises to its customers. A SaaS payroll provider, for example, would almost always add confidentiality and availability. The AICPA updated its points of focus for the 2017 Trust Services Criteria in 2022, though the core criteria themselves were not changed.

SOC 2 Type 1 vs Type 2: The Core Differences

Both report types use the same five Trust Services Criteria and both require a licensed CPA firm to perform the examination. The difference lies in scope and time horizon.

What a SOC 2 Type 1 Report Covers

A Type 1 report, formally called a SOC 2 Type 1 audit, answers one question: were the controls suitably designed as of a specific date? The auditor reviews your control descriptions, tests logical design, and issues an opinion on whether the controls, if operating as described, would meet the relevant trust services criteria. No observation period is required. The examination looks at a single moment.

Type 1 timelines run roughly 3 to 6 months end-to-end, including readiness work. Audit fees for a mid-market company typically range from $15,000 to $30,000, though the total spend rises once you factor in readiness assessments, policy documentation, and any remediation work.

What a SOC 2 Type 2 Report Covers

A SOC 2 Type 2 report answers a broader question: were the controls suitably designed AND did they actually operate effectively throughout the observation period? The auditor selects samples from the entire period, tests evidence, and provides an opinion on both design and operating effectiveness.

The AICPA does not mandate a minimum observation period, but 6 months is the practical floor for a first-year engagement. Quarterly controls such as user access reviews must have at least one completed cycle within the window. Auditors and sophisticated customers will typically push back on periods shorter than 6 months. Annual renewals default to a 12-month period.

Type 2 timelines run 9 to 15 months for a first engagement: 1 to 3 months of readiness, 6 to 12 months of observation, and several weeks for fieldwork and reporting. Mid-market audit fees range from $25,000 to $60,000, and total first-year spend, including readiness tools and outside counsel for policy review, can run 30 to 50 percent higher.

Side-by-Side Comparison

Factor	Type 1	Type 2
Time horizon	Point in time	6-12 month observation period
Opinion covers	Design of controls	Design and operating effectiveness
Typical first-year timeline	3-6 months	9-15 months
Mid-market audit fee range	$15,000-$30,000	$25,000-$60,000
Accepted by enterprise buyers	Often as a bridge	Standard expectation
AICPA standard	SSAE 18	SSAE 18

Which Report Do Your Customers Actually Need?

The answer depends on your buyer profile and where you are in the sales cycle. Enterprise customers and buyers in regulated industries, including financial services, healthcare, and government contracting, almost always require a SOC 2 Type 2 report before onboarding a service provider. A Type 1 may satisfy early-stage procurement teams or serve as a bridge while you build toward Type 2, but it rarely closes the loop on their vendor risk management programs.

Early-stage companies sometimes use a Type 1 to unblock a specific deal that cannot wait for a 12-month observation period. That is a legitimate use of the report as long as both parties understand that the Type 1 will be followed by a Type 2. If your sales pipeline is moving toward regulated-industry enterprise buyers, starting the observation period as early as possible is almost always the right call.

For Modus’s perspective on how the SOC 2 examination fits within broader attestation services, see our SOC Reporting services page.

Should You Do Type 1 First or Go Straight to Type 2?

There is no single right answer, but here is a practical framework.

When a Type 1 First Makes Sense

• You have an imminent deal that requires a SOC 2 report and cannot wait 9+ months for a Type 2.
• Your controls are newly implemented and you want an auditor to validate design before you accumulate evidence over a long observation period.
• You are unsure which trust services criteria your customers actually need and want a lower-cost engagement to clarify scope.

A Type 1 also functions as a structured gap assessment. The auditor’s findings on control design give you a clear remediation list before the observation period starts for your Type 2, reducing the risk of control failures during the testing window.

When to Go Straight to Type 2

• Your controls have been in place for at least 6 months and you have reasonable confidence they are operating consistently.
• Your customers are making clear they will only accept a Type 2 and a Type 1 will not accelerate the deal.
• Budget is a constraint: doing a Type 1 and a Type 2 in close succession involves paying two engagement fees and two readiness cycles. If you are ready for Type 2, skipping Type 1 saves money.

Going straight to Type 2 is increasingly common for companies that have invested in a compliance automation platform and already have a clear picture of their control environment before engaging an auditor.

The Readiness Assessment: What to Do Before Either Engagement

Whether you start with Type 1 or Type 2, a readiness assessment is the most important step you can take before the auditor arrives. The readiness phase typically runs 4 to 8 weeks and covers:

• Scope definition. Which systems, trust services criteria, and sub-processors are in scope? Over-scoping is one of the most common mistakes; it inflates audit cost and complexity without improving the report’s credibility.
• Control inventory. Document every control that maps to the selected trust services criteria, with an owner, a description of evidence, and the frequency of execution.
• Gap analysis. Compare documented controls against the criteria and identify gaps. Common gaps include informal access review processes, undocumented incident response procedures, and missing vendor management reviews.
• Evidence collection. Establish how evidence will be gathered, stored, and produced for the auditor. Enterprise customers who receive your report will want to see organized, consistently produced evidence, not ad hoc screenshots.

Firms that skip a readiness assessment often find that fieldwork surfaces control failures, which require a qualified opinion or, worse, a reporting delay while remediation happens. The cost of remediating a control finding mid-audit is significantly higher than addressing it during readiness.

At Modus, our audit and assurance practice brings structured readiness support into the engagement from day one, with source-linked workpapers that reduce the back-and-forth on evidence requests.

Maintaining SOC 2 Compliance Year Over Year

A SOC 2 Type 2 report covers a specific period and expires from a market perspective once that period ends. Most enterprise customers expect an annual Type 2 report, which means you are always in or near an observation period. The practical implication is that SOC 2 is not a one-time project but an ongoing compliance program.

Annual reports require consistent control operation across 12 months, regular evidence collection, and periodic control reviews. Companies that treat SOC 2 as a continuous program, rather than a sprint before each audit, produce cleaner evidence and experience significantly shorter fieldwork cycles in subsequent years.

When you change systems, hire vendors, or alter key processes, you should evaluate whether those changes affect in-scope controls and update your control descriptions accordingly. Material system changes mid-period can require a management explanation in the report or, in some cases, a scope adjustment.

Related reading: SOC 2 Audit Checklist: How to Prepare for Your First Exam

Frequently Asked Questions

What is the difference between SOC 2 Type 1 and Type 2?

A SOC 2 Type 1 report evaluates whether controls were suitably designed at a single point in time. A SOC 2 Type 2 report evaluates whether those controls were suitably designed and operated effectively over an observation period, typically 6 to 12 months. Type 2 provides stronger assurance because it tests actual evidence of control operation, not just design.

How long does a SOC 2 Type 2 audit take?

For a first-year engagement, the end-to-end process typically takes 9 to 15 months: 1 to 3 months of readiness, 6 to 12 months of observation period during which controls operate and evidence is collected, and several weeks for auditor fieldwork and report issuance. Annual renewals move faster once the observation period is already running.

Do I need both a Type 1 and a Type 2 report?

Not necessarily. A Type 1 report can be useful as a bridge while your controls mature or to unblock a specific deal. However, most enterprise customers and regulated-industry buyers require a Type 2 report for ongoing vendor approval. If your controls are already in place and operating, going straight to Type 2 avoids paying two separate engagement fees.

What is the minimum observation period for a SOC 2 Type 2 report?

The AICPA does not specify a hard minimum, but 6 months is the practical floor accepted by most auditors and customers. Some controls, such as quarterly user access reviews, require at least one completed cycle within the period to be testable. Annual renewals are conducted over a 12-month period.

Which Trust Services Criteria are required for every SOC 2 audit?

Security, also called the Common Criteria, is the only trust services criteria category required in every SOC 2 engagement. The other four categories, availability, processing integrity, confidentiality, and privacy, are optional and are added based on the services the organization provides and what its customers need to have examined.

Can a SOC 2 Type 1 report satisfy enterprise buyer requirements?

Rarely, and usually only as a temporary bridge. Most enterprise procurement teams and regulated-industry buyers require a Type 2 report because it provides evidence of consistent control operation over time, not just a design assessment. A Type 1 may satisfy a limited-scope or early-stage vendor assessment, but you should expect to produce a Type 2 within 12 to 18 months.