Summary

ISO 27001 certification involves two main stages: building your ISMS and then having it audited by an accredited certification body. The entire process typically takes 6 to 18 months for a software company, depending on your current security maturity and the size of your team. ISO 27001 requires demonstrable top management commitment. This isn’t just bureaucratic language — the standard requires that your leadership team formally: ISO 27001 requires specific documented information. Without it, you cannot pass certification. Essential documents include:

ISO 27001 for Software Companies: A Complete Step-by-Step Guide

Getting ISO 27001 certified can feel overwhelming for software companies. Between managing product development, serving customers, and scaling operations, adding a rigorous information security management system (ISMS) to your plate seems daunting. But the reality is that ISO 27001 certification is one of the most valuable investments a software company can make — opening enterprise sales doors, satisfying customer security questionnaires, and building genuine organizational resilience.

This guide walks you through exactly how to get ISO 27001 certified as a software company, from understanding the standard to passing your final audit.

What Is ISO 27001 and Why Do Software Companies Need It?

ISO 27001 is the internationally recognized standard for information security management. It provides a systematic framework for identifying risks to your data, implementing security controls, and continuously improving your security posture.

For software companies specifically, ISO 27001 matters because:

Enterprise customers require it. Many Fortune 500 companies and government agencies won’t sign contracts without ISO 27001 certification from their software vendors.
It differentiates you from competitors. Certification signals maturity and trustworthiness in crowded SaaS markets.
It reduces breach risk. The structured approach to risk management catches vulnerabilities before they become incidents.
It accelerates sales cycles. Answering security questionnaires becomes straightforward when you have a certified ISMS in place.

Understanding the ISO 27001 Certification Process

Stage 1: Gap Assessment

Before anything else, understand where you stand today. A gap assessment compares your current security practices against ISO 27001 requirements and identifies what needs to be built or improved.

You can conduct this internally using the standard’s requirements or bring in an external consultant. Either way, document your findings clearly — this becomes your roadmap.

Step-by-Step: How to Get ISO 27001 Certified

Step 1: Define Your Scope

Your ISMS scope defines exactly what parts of your business the certification covers. For a software company, this typically includes:

Your software development environment
Cloud infrastructure (AWS, Azure, GCP)
Customer data handling processes
Internal IT systems and employee devices
Third-party integrations and vendors

Be strategic about scope. A narrower scope is faster and cheaper to certify, but too narrow and it won’t satisfy enterprise customers who want your core product covered.

Step 2: Secure Leadership Buy-In

ISO 27001 requires demonstrable top management commitment. This isn’t just bureaucratic language — the standard requires that your leadership team formally:

Define an information security policy
Assign roles and responsibilities
Provide adequate resources for the ISMS
Review the ISMS performance regularly

Without genuine leadership involvement, your ISMS will stall. Make the business case clearly: certification typically pays for itself within the first enterprise deal it enables.

Step 3: Conduct a Risk Assessment

This is the heart of ISO 27001. You must systematically identify information assets, assess threats and vulnerabilities, evaluate the likelihood and impact of risks, and decide how to treat each risk (mitigate, transfer, accept, or avoid).

For a software company, common risks include:

Unauthorized access to source code repositories
Cloud misconfiguration exposing customer data
Third-party vendor breaches affecting your supply chain
Insider threats from employees or contractors
Ransomware targeting development or production systems

Document everything in a Risk Register and a Risk Treatment Plan. These are core artifacts your auditor will review.

Step 4: Write Your Statement of Applicability (SoA)

The Statement of Applicability is a required document that lists all 93 controls from ISO 27001 Annex A and states whether each control is applicable to your organization — and why.

For each applicable control, you must document:

Whether it’s currently implemented
The justification for inclusion or exclusion
How it addresses identified risks

This document is often the most time-consuming to produce but is absolutely critical. Auditors scrutinize it carefully.

Step 5: Implement Security Controls

Based on your risk treatment plan and SoA, implement the required controls. For software companies, this commonly involves:

Technical controls:

Multi-factor authentication across all systems
Encryption of data at rest and in transit
Vulnerability scanning and penetration testing
Secure software development lifecycle (SSDLC) practices
Access control and least-privilege policies
Logging, monitoring, and alerting systems

Organizational controls:

Information security policies and procedures
Employee security awareness training
Supplier security assessments
Incident response plan
Business continuity and disaster recovery plans
Asset inventory management

Physical controls:

Office access controls
Clean desk policies
Secure disposal of hardware

Step 6: Create Required Documentation

ISO 27001 requires specific documented information. Without it, you cannot pass certification. Essential documents include:

Information Security Policy
ISMS Scope Document
Risk Assessment Methodology
Risk Register and Risk Treatment Plan
Statement of Applicability
Asset Inventory
Incident Response Procedure
Access Control Policy
Supplier Security Policy
Internal Audit Procedure
Management Review Records
Evidence of corrective actions

This documentation burden is where many software companies struggle. Building these from scratch takes significant time — which is why ready-made policy templates are so valuable.

Step 7: Run Your ISMS for at Least 3 Months

Before your certification audit, you need to demonstrate that your ISMS is operational — not just documented. Auditors look for evidence that processes are being followed consistently.

During this operational period:

Conduct your first internal audit
Hold a management review meeting
Handle any nonconformities through corrective action
Train all relevant staff
Collect evidence of controls operating effectively

Step 8: Choose an Accredited Certification Body

Your certification audit must be conducted by an accredited certification body (CB). Look for bodies accredited by UKAS (UK), ANAB (US), DAkkS (Germany), or your local national accreditation body.

Compare multiple certification bodies on:

Experience auditing software and SaaS companies
Pricing and audit timelines
Auditor expertise in your technology stack
Reputation and recognition in your target markets

Step 9: Complete the Two-Stage Certification Audit

Stage 1 Audit (Documentation Review): The auditor reviews your ISMS documentation to confirm it meets ISO 27001 requirements. This is typically conducted remotely and takes one to two days. You’ll receive a report identifying any gaps before Stage 2.

Stage 2 Audit (Implementation Review): The auditor visits (in-person or virtually) to verify that your controls are actually implemented and operating as documented. They’ll interview staff, review evidence, and test that your processes work in practice.

If nonconformities are found, you’ll have an opportunity to address them before certification is granted.

Step 10: Maintain Certification with Surveillance Audits

ISO 27001 certification lasts three years, but you must pass annual surveillance audits in years one and two to maintain it. A full recertification audit occurs in year three.

This means your ISMS must be a living system — continuously monitored, improved, and adapted as your software company evolves.

How Much Does ISO 27001 Certification Cost?

For a software company, total costs typically range from $30,000 to $150,000, depending on:

Company size and complexity
Whether you use consultants or handle implementation internally
Your chosen certification body’s fees
Cost of tools, training, and penetration testing

The largest variable cost is implementation time. Using pre-built policy templates and frameworks can reduce implementation time by 60-70%, significantly cutting your overall investment.

FAQ: ISO 27001 for Software Companies

How long does it take to get ISO 27001 certified?

Most software companies complete certification in 6 to 12 months. Smaller companies with focused scope can sometimes achieve it in 4 to 6 months, while larger organizations with complex environments may take 12 to 18 months.

Can a small software startup get ISO 27001 certified?

Absolutely. ISO 27001 scales to any organization size. Startups with as few as 10 employees have achieved certification. The key is defining an appropriate scope and building lean but effective processes.

Do we need a consultant to get ISO 27001 certified?

Not necessarily. Many software companies self-implement using the standard, quality templates, and online resources. Consultants add value for complex environments or when you have no internal security expertise, but they significantly increase costs.

What’s the difference between ISO 27001 and SOC 2?

ISO 27001 is an internationally recognized certification with a formal audit and certificate. SOC 2 is a US-focused attestation report primarily used in North American markets. Many enterprise software companies pursue both. ISO 27001 is generally preferred for international expansion.

How often do we need to renew ISO 27001 certification?

Certification is valid for three years, with mandatory surveillance audits in years one and two. You’ll complete a full recertification audit at the end of the three-year cycle.

Start Your ISO 27001 Journey Faster

The biggest obstacle software companies face isn’t understanding ISO 27001 — it’s the sheer volume of documentation required to implement it. Writing policies, procedures, and templates from scratch can consume hundreds of hours of your team’s time.

Our ISO 27001 documentation toolkit gives you everything you need, ready to customize for your software company. Get professionally written policy templates, risk assessment frameworks, an SoA template, audit checklists, and implementation guides — all built specifically for software and SaaS businesses.

Stop starting from a blank page. Download your ISO 27001 template bundle today and cut your certification timeline in half.