SOC 2 Type I or Type II: the difference, the cost and the right order

IT-audit7 min read·
K

Kees van der Vlies

Partner | IT Auditor

Also available in:Nederlands

Anyone who needs a SOC 2 report for the first time immediately faces the choice between Type I and Type II. The difference is easy to summarize and has large consequences for your planning, your budget and the question of whether the report is usable for your clients.

What Type I is

A Type I report assesses the situation at one reference date. The auditor establishes that the system description is accurate and that the controls are suitably designed and implemented on that date. The question a Type I answers: did this organization have the right controls in place on this date?

What a Type I does not say: whether those controls were performed during the rest of the year. The monthly access review can exist as a procedure on the reference date and never be performed again; the Type I report keeps looking just as valid.

What Type II is

A Type II report additionally tests operation over an observation period. Formally three months is the minimum; in practice organizations choose six to twelve months, because clients derive more confidence from it and because it connects to the annual reporting cycle that follows.

The practical difference is in the testing. For Type II the auditor samples each control across the whole period: changes from several months, a selection of incidents, the access reviews of every quarter. The report states per control what was tested and what the outcome was, including exceptions. For the reader of the report, usually your client's security team, that is exactly the information that matters.

What clients accept

The market has become stricter here over recent years. Enterprise clients and their procurement and security teams require Type II in nearly all cases. A Type I is accepted as a temporary step, usually with the agreement that the Type II report follows on a concrete date. Whoever can only show a Type I in a sales process will be asked when the real report arrives.

Cost and effort

The audit for a Type II costs more than for a Type I, because the testing covers a period instead of a moment. Roughly expect a few dozen percent on top for the audit itself.

The larger cost sits on your own side. A Type II requires recording evidence per control throughout the period: tickets, logs, review records, minutes. Organizations that reconstruct all of that at the end of the period lose far more there than on the difference in audit fees. Set up evidence collection as a continuous process from day one of the observation period.

The right order: when Type I, when straight to Type II

There are two situations where a Type I makes sense as an interim step. First: a client or deal requires a report at short notice, and the observation period for Type II still has to start. A Type I bridges the months until the Type II report exists. Second: you want a formal checkpoint on design before the observation period starts, as the closing piece of your readiness phase.

In all other cases, going straight to Type II is the more efficient route. The preparation is largely the same, and a Type I nobody asked for is an expense without a customer. The sequence we guide most often: readiness assessment, remediation of the gaps, start of the observation period, and the first Type II report after six to nine months. If something is needed in between for a client, the readiness outcome or a Type I can be slotted in at that point.

Finally, note that the first Type II report is not a finish line. Clients expect a new report every year afterwards, without a gap between periods. How to get from a first report to a sustainable annual rhythm is covered in the annual SOC 2 audit cycle.

Unsure which type fits your situation and timeline? We look at your client requirements and the state of your controls. Our approach is on the SOC 2 audit page.

Frequently asked questions

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

Type I assesses whether your controls are suitably designed and implemented at a single reference date. Type II also tests whether they operated effectively over an observation period, formally at least three months and in practice six to twelve. Only Type II contains test results per control.

Do clients accept a SOC 2 Type I report?+

Less and less. Enterprise clients and their security teams almost always require Type II, because a point-in-time assessment says nothing about the rest of the year. Type I is mainly accepted as an interim step, with a concrete date for the Type II report to follow.

Is SOC 2 Type II much more expensive than Type I?+

The audit itself costs more because the auditor tests operation over a period instead of design alone; roughly expect a few dozen percent on top. The bigger investment sits inside your own organization: recording demonstrable evidence per control for the whole period.

Can you skip Type I and go straight to Type II?+

Yes, and for organizations with stable processes that is usually the most efficient route. Type I mainly makes sense when a client or deal requires a report at short notice while the Type II observation period still has to start, or as a formal checkpoint on design before the period begins.

How long is the SOC 2 Type II observation period?+

Formally at least three months. In practice organizations choose six to twelve months, because a longer period carries more weight with clients and connects to the annual reporting cycle they expect afterwards.

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About the author

K
Kees van der Vlies

Partner | IT Auditor

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