SOC 2 · Last updated 28 September 2026 · 7 min read

The minimum SOC 2 Type 2 observation period, and when to go longer

Three months is the accepted floor for a first Type 2. The real constraint is how often your controls run before anyone samples them.

The minimum SOC 2 Type 2 observation period for a first report is three months. That floor does not come from a rule book, and the AICPA does not set one.¹ It comes from sampling. Go shorter and the auditor runs out of instances to test. Six months is common at traditional firms, and some enterprise buyers ask for twelve.

A Type 1 asks whether your controls were designed well on one date. A Type 2 asks whether they kept working over a stretch of time.² That stretch is the observation period, and it is the one part of SOC 2 that money cannot shorten. What you can control is which length you pick, and how much you spend while the clock runs. Type 1 versus Type 2 helps if you are not yet sure which report your buyer needs.

Sampling sets the floor

Here is how a Type 2 test works. The auditor takes a control, checks how often your policy says it runs, then picks a sample of the times it ran during the period. Each pick gets tested against your own written procedure. Think of onboarding, access reviews, change approvals, incident tickets, backup restores and scan remediations. A short period means a small pool of instances. Make it short enough and the pool is empty.

Three months is simply the point where the pool gets big enough.

Try it with a quarterly control. In a three month window it runs once, if the timing works. Suppose it ran on day four and the one before landed a week before the window opened. The auditor has one instance, which says little about whether the process is dependable. Shrink the window to two months and the control may not run at all, and a control with zero instances cannot be tested for operating effectiveness.

A control that never ran during the window is not a pass. It is a finding.

Three, six or twelve months

Shorter gets you a report sooner. Longer gets you a stronger one. No trick gets you both, so the deciding question is who is waiting and what they asked for. The last column shows what our software bills while each window runs. It is not the price of a Type 2.

Length	What there is to sample	Software during the window
Three months	Plenty of daily, weekly and monthly instances. One quarterly cycle at most. Yearly controls only if you schedule them inside	$597 on monthly
Six months	Two quarterly cycles, so a failed review can be fixed and retested in the same period. Yearly controls still need planning	$1,194 on monthly
Twelve months	Every cadence, yearly ones included, with no calendar juggling	$2,189 on the yearly plan

We start a first Type 2 on a 3-month observation window by default. Stretch it to six if the buyer wants six, or if enough of your controls run quarterly that you want two cycles. It is a start date you choose, not a different product. Audits go through our preferred pricing program, and we negotiate the fee on your behalf. Audits unlock after four paid months on monthly, or right away on yearly.

When a buyer says twelve

Some procurement teams ask for twelve months outright, most often in financial services and health care, and sometimes only because twelve month reports are all they have seen. Ask before you assume. The need can be softer than the request. A three month first period plus a written commitment to a rolling twelve month period is worth proposing before you agree to wait a year. What nobody can do is compress the calendar. Three months of evidence takes three months, and any vendor suggesting otherwise is describing a Type 1.

Yearly controls a short window misses

Find these before you pick a start date. Each one is easy to fix in advance and impossible to fix afterward.

Quarterly access reviews: Three months gives you one, or none if the window opens right after the last review. Run one early in the window on purpose. If your policy allows a monthly cadence, run a second before it closes.
Yearly penetration test: A test done four months before the window did not happen during it. Either move the test inside the window, or make the policy describe what you truly do.
Yearly policy review: A dozen policies approved once a year is one approval event. If it fell before the window, the period holds no evidence of it. Time the approval to land inside. This is a calendar task, not extra work.
Yearly awareness training: January completions do not cover an April to June period. New hire training only happens when you hire, which at a ten person company may be never in a given quarter.
Backup restore and recovery tests: Easy to forget and quick to run. A timestamped log, a screenshot of restored data and a short written result are enough. Do one inside the window.

The trap to avoid

You have two honest options for a yearly control outside your window: move the activity in, or write the real frequency. Writing quarterly while doing it yearly creates its own exception, because the auditor tests you against your stated frequency. The criteria say what must be achieved, not how often.³

What the wait costs

Whatever tool you use, it bills while the clock runs. That is where the cost gap shows up. A platform sold on an annual contract bills for the year whether your window is three months or twelve. One marketplace reports these medians:

Vendr reports a median annual contract value of $20,000 for Vanta, based on purchases completed through its marketplace. Source, checked 2026-07-30.
Vendr reports a median annual contract value of $24,601 for Drata, based on purchases completed through its marketplace. Source, checked 2026-07-30.
Vendr reports a median annual contract value of $20,000 for Secureframe, based on purchases completed through its marketplace. Source, checked 2026-07-30.

On our software the same three months comes to $597 on the monthly plan, and you can run the window yourself with no consultant. The bigger cost is usually the contract stuck in procurement. That is why the common sequence is a Type 1 now to unblock the deal, with the Type 2 period running underneath it.

$199The software a month, cancel any time

$597Software over a three month window at $199 a month

In appEach Type 2 examination, through our preferred pricing program, shown in your account before you book

What to tell a customer covers the note to send a buyer while the window is still open.

Running the window well

The period is not a waiting room. It is your only chance to create the evidence the auditor will test, and problems here stay invisible until fieldwork.

Pick the start date on purpose. Write it down. Evidence from before it does not count, however good it is.
Run periodic controls early. Access review in week two, not week eleven, so a failure leaves room to fix and rerun inside the window.
Collect evidence as it happens. Rebuilding three months of reviews in the last week is how deviations appear. Our integrations for AWS, GitHub, Google Cloud and Google Workspace pull recurring evidence continuously.
Record deviations honestly. A miss that was caught and fixed reads better than a gap. Auditors expect exceptions, not silence.
Avoid switching tools or owners mid period. Each change means explaining two setups, with evidence for both.

Your logs also have to outlast the window and the fieldwork after it. SOC 2 log retention works out that number.

Who examines it

cybersoftware is not a CPA firm. SOC 2 examinations are performed by independent licensed U.S. CPA firms. The examination starts after the window closes, and the audit opinion covers the period, not the day it was signed.² Your examiner is an independent partner auditor, a licensed U.S. CPA firm.

Your next step

Getting controls in place comes before the window, and it is the fast part: audit-ready starting at about a week for a focused team. Start with the free readiness assessment to see which controls would come up empty in a three month window. Then check the pricing page to choose between monthly and yearly. How long SOC 2 takes lays out the whole sequence.

Questions

How short can a first Type 2 window be?

Three months is the accepted minimum. Anything shorter leaves the auditor too few instances of each control to sample, so firms generally decline to examine it.

Is a one month Type 2 possible?

No. Monthly and quarterly controls would run once or never inside it, which leaves nothing to test. At that length you are really describing a Type 1.

Three months or six for a first Type 2?

Three if a deal is waiting on it. Six if the buyer asked for six, or if you want two cycles of your quarterly controls inside the window. Both are accepted first periods.

Which controls does a three month window miss?

Anything yearly. Penetration tests, policy reviews, awareness training and disaster recovery tests give you one instance at most, and none if they happened before the window opened. Either schedule them inside the window or write the real frequency into the policy.

Do enterprise buyers need twelve months?

Some ask for it, often in financial services and health care. Ask first. Offering a three month first report plus a written plan for a rolling twelve month period is worth trying before you agree to wait a year.

Sources

Statements on Standards for Attestation Engagements AICPA. The attestation standards a SOC 2 examination is performed under. Checked 1 August 2026.
SOC 2 Report AICPA. What a SOC 2 report is and who may issue one. Checked 1 August 2026.
TSP Section 100, Trust Services Criteria for Security, Availability, Processing Integrity, Confidentiality, and Privacy AICPA. The criteria themselves, including the common criteria every SOC 2 report covers. Checked 1 August 2026.

Get audit-ready without a compliance team

The readiness assessment is free, with no payment and no card. When you are ready, the software is $199 a month, cancel any time, and audits go through our preferred pricing program. You can be audit-ready starting at about a week.

Start with a free readiness assessment

cybersoftware is not a CPA firm. SOC 2 examinations are performed by independent licensed U.S. CPA firms.