SOC 2 or ISO 27001 First? How to Sequence Them

For most US software companies, get SOC 2 first, then ISO 27001. SOC 2 is what American buyers ask for by name during security reviews, it is faster to a first report, and the work pre-fills roughly 60 percent of ISO 27001. The order flips if the deals you are chasing are European or international enterprises, who recognize the ISO 27001 certificate more readily. This is a sequencing decision, not a versus decision: you will likely end up with both, so the only real question is which one to do first.

Plenty of guides compare the two frameworks feature by feature. That is a useful exercise, and we cover it in our SOC 2 vs ISO 27001 comparison. But most teams are not really asking which framework is better. They are asking which one to spend the next three months on, given that a deal is waiting and budget is finite. That is a sequencing question, and the answer depends on your buyers, not on the frameworks themselves.

Start with where your buyers are

The single most useful input is the security review your prospects actually send. If the questionnaires and procurement teams blocking your deals ask for a SOC 2 report, do SOC 2 first, full stop. SOC 2 is the default trust document in US B2B software, especially when you sell to other American SaaS companies, and handing over a report is the fastest way to unblock a stalled deal. If your pipeline is weighted toward European or international enterprises, or you are selling into regulated industries abroad, ISO 27001 is the more universally recognized credential and belongs first. When both show up in your deals, US demand usually wins the tiebreaker on speed, because SOC 2 gets you to a shareable artifact sooner.

Compare the two on the things that decide the order

Why doing the first one makes the second cheaper

The reason sequencing matters, rather than picking one and stopping, is that the two frameworks share most of their underlying controls. Access management, encryption, change management, vendor review, incident response, and logging all appear in both, wearing different labels. A single quarterly access review satisfies SOC 2 CC6.2 and ISO 27001 A.5.18 at the same time. That is why finishing SOC 2 pre-fills roughly 60 percent of ISO 27001: the second framework is largely a re-labeling and gap-filling exercise, not a second program from scratch. The practical upshot is that the order barely changes the total work, but it changes which credential you can hand a buyer first, so you should optimize for the buyer, then let the overlap carry you into the second.

This is also where doing both by hand gets painful and where mapping each control once pays off. Compliance automation software that cross-maps controls lets you automate both frameworks off one control set, so the SOC 2 evidence you collect this quarter is already sitting against the ISO 27001 requirement it also satisfies. Maintaining two separate spreadsheets, by contrast, means every shared control gets updated twice and drifts out of sync.

What each first step actually looks like

If you start with SOC 2, the fast first result is a Type 1 report, which attests that your controls are designed properly at a point in time. It is achievable in weeks and is often enough to unblock a deal, with a Type 2, covering a period of months, following as the fuller credential. If you start with ISO 27001, there is no point-in-time shortcut: you build and run an information security management system, complete a risk assessment, and then an accredited body audits it, so the first certificate takes longer to reach but carries broad international recognition once earned. That timeline difference is the other reason US-facing teams usually lead with SOC 2: it produces something you can send a customer sooner.

Do not forget the frameworks these two do not cover

Sequencing SOC 2 and ISO 27001 covers security assurance, but neither is a privacy regime. If you handle the personal data of European residents, GDPR obligations sit alongside your security work, and some of them, like fulfilling a data subject access request, are a separate operational task that a security framework does not address. Teams often handle those requests with dedicated data subject request software rather than folding them into the compliance platform. The point is to scope your program to your actual buyers and jurisdictions: for a US SaaS company selling domestically, SOC 2 then ISO 27001 is usually the whole near-term picture, and privacy work scales in as you take on European customers.

Frequently asked questions

Should I get SOC 2 or ISO 27001 first?

Get SOC 2 first if your buyers are US companies, which most American SaaS teams find, because SOC 2 is what their security reviews ask for and it produces a shareable report faster. Get ISO 27001 first if you are selling primarily to European or international enterprises, who recognize the certificate more readily. Either way you will probably end up with both, and the first one pre-fills most of the second, so the decision is about which credential unblocks your next deals, not about which framework is superior.

Is ISO 27001 harder than SOC 2?

ISO 27001 has more upfront structure, because it requires a documented information security management system and a formal risk assessment before an accredited body will certify you, so the first certificate typically takes longer to reach. SOC 2 is more flexible: you demonstrate controls that meet the Trust Services Criteria, and a Type 1 report gives you a point-in-time result in weeks. Neither is trivial, but SOC 2 usually reaches a first shareable artifact sooner, which is why US-facing teams often start there.

Can I do SOC 2 and ISO 27001 at the same time?

Yes, and it is efficient when you know you need both, because the frameworks share most of their controls. Running them together means you build each shared control once and apply the evidence to both, rather than sequencing and revisiting the same ground. The catch is bandwidth: a small team doing both at once has more moving parts to manage, so many companies still lead with the framework their buyers demand and let the overlap carry the second one shortly after.

How much of SOC 2 counts toward ISO 27001?

Roughly 60 percent, in practice. The overlap is in the operational controls both frameworks require: access management, encryption, change management, vendor risk, incident response, and logging. Those carry over almost directly, so once SOC 2 is done, ISO 27001 becomes mostly a matter of adding the management-system documentation and risk assessment that ISO requires and SOC 2 does not. Cross-mapping tools make this concrete by showing each control against every framework requirement it satisfies.

To see how one control set can serve both frameworks at once, read how control mapping works, or start with the SOC 2 framework overview.