You can build a genuinely secure SaaS product and still lose weeks to one thing: proving it.
So, now you have two acronyms, a security questionnaire, an engineering team already stretched thin and a compliance budget that definitely did not magically appear overnight.
This creates an extremely tricky question for a startup company: where should you spend your time and money?
Do you do SOC 2 compliance because all your US-based prospects are demanding it? Do you work toward getting an ISO 27001 certification since you are targeting an international customer base? Will you need both at some point? And, if so, will you be paying for essentially the same thing twice?
While there are some key similarities between the two frameworks, they cannot be used interchangeably due to differences in their structure and assessment models. The more effective framework will depend entirely on who you are selling to, in what regions, and at what stage of security maturity you are at.
SOC was initially defined as Service Organization Controls, but the American Institute of Certified Public Accountants has now adopted a new name for its SOC series called System and Organization Controls.
SOC 2 is based on the Trust Services Criteria for the Assurance and Reporting Standard as developed by the AICPA. These criteria are used to evaluate and report on controls related to security, availability, processing integrity, confidentiality and privacy.
For ISO 27001, the official name is SO/IEC 27001 since it has been jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).
The standard’s main goal is to set specified requirements for an ISMS to identify security risks, how to treat those risks, put controls in place so that they don’t happen in the first place, and then continue to improve these security measures.
In simpler words:
SOC 2: “Prove to me that your controls are in place and are working.”
ISO 27001: “Prove to me that you have a system for managing information security risks.”
They both can be very useful, just in different ways. Here’s how:
|
|
SOC 2 |
ISO 27001 |
|
What is it? |
Independent attestation report |
International management-system standard |
|
Certification? |
It’s a report, not a certification |
Yes, you get ISO 27001 certification |
|
Best known in |
US focused B2B SaaS |
Global markets |
|
Core focus |
Controls & trust criteria |
Information security management system |
|
Audit outcome |
SOC 2 report |
ISO 27001 certificate |
|
Scope |
Defined system and selected Trust Services Criteria |
Defined ISMS scope |
|
Type 1 / Type 2 |
Yes |
No equivalent Type 1 / 2 naming |
|
Best for |
Proving controls to customers |
Demonstrating a mature, structured security program |
SOC 2 Type II attestation gives your customer more visibility regarding the controls implemented and audited on the controls over a period of time.
For an entrepreneur starting his journey in the world of SaaS, that would mean:
Less explaining. Less back-and-forth. More evidence for the security team reviewing your product.
If an enterprise customer has come to you and said, “We have to see your SOC 2 report before we move forward,” well, you know what to do. Get ready for SOC 2 compliance.
This is an internationally accepted standard, and the certification can show your dedication and capacity in information management.
In addition to that, it gives you what SOC 2 cannot. A formal certification against an international standard. This can be especially useful if your business is trying to enter markets where ISO certifications are already familiar to procurement and security teams.
And unlike SOC 2, ISO 27001 isn’t only about demonstrating a set of controls. It requires you to establish, maintain and continually improve an ISMS.
For a growing SaaS company, that’s a bigger operational commitment, but it can also give you a more structured foundation for managing security as the company scales.
There isn’t a universal price point for SOC 2 compliance or ISO 27001 certification. The cost varies heavily based on the size of your organization, scale, already existing security controls, how much remediation is required and more.
The bigger question is:
If your SaaS company already has a solid IAM system, logging, incident response, vendor management, secure development and evidence collection, either of these options is simple.
If you’re starting from scratch, the expensive part isn’t the certificate or report.
It is the engineering, the tools, the documentation, the process adjustments needed to make your controls real.
In a time when one out of four attacks is perpetrated using AI technology, a 56% rise from the previous year, while the cost for each attack on average is $6 million, about $1 million higher than the worldwide average of $4.99 million per attack, as reported in IBM’s 2026 Cost of a Data Breach Report, the most economical choice is not necessarily the one that has the lowest cost of compliance.
It’s the one that gives you useful assurance without creating unnecessary operational overhead.
Go for SOC 2 compliance first when:
Pick ISO 27001 first when:
It does not necessarily have to be an either-or decision.
Once your security program is mature enough, the work you do for one can help support the other. There is overlap across areas such as access control, risk management, incident response, supplier management, policies and security monitoring.
The exact mapping isn’t one-to-one, though. SOC 2 compliance and ISO 27001 certification have different requirements, structures and assessment approaches, so having one does not automatically mean you have the other.
You don’t need to choose between SOC 2 and ISO 27001 based on whichever acronym sounds more impressive.
SOCLY.io helps SaaS companies understand where they stand, identify what’s missing and build a practical path toward the compliance frameworks their customers actually require.
From gap analysis and control implementation to evidence collection, audit preparation and ongoing compliance, we combine automation with expert support so your team can spend less time wrestling with compliance and more time building the company. Sounds like what you’re looking for? We’re just a call away.
Because the right compliance strategy isn’t about doing more. It’s about doing what your business and its clients actually need.
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