ISO 27001 Certification Services
ISO 27001 is the world's most recognised standard for information security management. Earning your certification tells clients, partners, and regulators that your organisation has built security into its DNA — not just its documentation. soc-audit.com guides you through every step, from your first gap assessment to the moment you receive your certificate.
- End-to-end ISO 27001 support — GAP Analysis, ISMS implementation, and certification audit
- •Globally recognised certification accepted by clients in over 150 countries
- Experienced consultants who've guided organisations of all sizes to certification
- Combines efficiently with SOC 2 — significant control overlap saves time and cost
What is ISO 27001?
ISO 27001 is the international standard for Information Security Management Systems (ISMS), published by the International Organisation for Standardisation (ISO) and the International Electrotechnical Commission (IEC). It provides a systematic, risk-based framework for establishing, implementing, maintaining, and continually improving how an organisation manages information security risk.
Unlike a one-time audit or point-in-time assessment, ISO 27001 is a management system standard — it requires your organisation to build information security into your ongoing operations, governance, and culture. Certification is awarded by an accredited third-party certification body after a rigorous two-stage audit process, and it is valid for three years, subject to annual surveillance audits.
The standard is built around two core components: the main clauses (Clauses 4–10), which define the management system requirements, and Annex A, which contains 93 controls across four domains that organisations select and implement based on their specific risk profile.
The Annex A Control Domains
Here are the control domains covered under ISO 27001 Annex A. Your organisation will implement the controls relevant to your risk profile — not all 93 are required in every case.
Organisational Controls
People Controls
Physical Controls
Technological Controls
Information Security Policies
Asset Management
Access Control
Cryptography
Physical & Environmental Security
Operations Security
Communications Security
System Acquisition & Development
Supplier Relationships
Information Security Incident Management
Business Continuity Management
Compliance
THE ISO 27001 CERTIFICATION JOURNEY
ISO 27001 certification is achieved through a structured, two-stage audit process conducted by an accredited certification body. The two stages are sequential — Stage 1 confirms your ISMS is designed and documented correctly, and Stage 2 confirms it is fully implemented and operating effectively. Both stages must be completed to earn your certificate.
Stage 1
Documentation & Readiness Review
The Stage 1 audit is conducted by your chosen accredited certification body and focuses on reviewing your ISMS documentation. The auditor will examine your ISMS scope, information security policy, risk assessment methodology, Statement of Applicability (SoA), and other core documentation to confirm that your management system is designed in accordance with the standard.
Stage 1 typically lasts one to two days and can be conducted on-site or remotely. At the end, the auditor provides a report confirming whether you are ready to proceed to Stage 2 — and if not, exactly what needs to be resolved first. The window between Stage 1 and Stage 2 is usually four to eight weeks, giving your team time to address any issues before the full certification audit begins.
- Reviews ISMS documentation, scope definition, and risk assessment outputs
- Confirms your Statement of Applicability (SoA) is complete and justified
- Identifies any issues that must be resolved before Stage 2 can proceed
- Typically 1–2 days; can be conducted remotely
- Concludes with a formal readiness report and an agreed Stage 2 date
soc-audit.com prepares your entire ISMS documentation suite before Stage 1 — so you walk in with everything in order.
Stage 2
Certification Audit
The Stage 2 audit is the full certification assessment. The auditor evaluates whether your ISMS is not just documented but genuinely implemented and operating effectively across your organisation. This involves interviews with staff across relevant teams, observation of processes in action, review of operational records and evidence, and testing of selected Annex A controls against your Statement of Applicability.
Stage 2 typically takes two to five days on-site depending on your organisation's size and scope. If no major nonconformities are found — or if any minor ones are addressed — the certification body recommends your organisation for ISO 27001 certification. Your certificate is then issued and remains valid for three years, subject to annual surveillance audits in years one and two.
- Full assessment of ISMS implementation and operational effectiveness
- Includes staff interviews, process observation, and evidence review
- Tests selected Annex A controls against your Statement of Applicability
- Typically 2–5 days on-site depending on organisation size
- Successful completion results in ISO 27001 certification, valid for 3 years
soc-audit.com supports you throughout Stage 2 — coaching your team, reviewing evidence packs, and helping you resolve any findings quickly.
Benefits of ISO 27001 Certification
ISO 27001 certification does more than tick a compliance box — it transforms how your organisation thinks about, manages, and demonstrates information security. Here's what you gain.
Globally Recognised Credibility
ISO 27001 is recognised and respected in over 150 countries. Whether you're selling to enterprise clients in the UK, the Middle East, Europe, or Asia-Pacific, a valid ISO 27001 certificate is a universally understood signal of security maturity.
Win Contracts That Require It
An increasing number of enterprise procurement processes, government tenders, and regulated-industry contracts list ISO 27001 certification as a mandatory requirement. Without it, you may not even make the shortlist.
Build a Systematic Security Culture
ISO 27001 requires security to be embedded in your organisation's governance, risk management, and day-to-day operations — not just your IT department. Certification drives a measurable shift in how your entire organisation approaches security.
Reduce the Risk of Costly Breaches
Organisations that implement ISO 27001 systematically identify and treat their most significant security risks before they become incidents. The cost of prevention is almost always lower than the cost of a breach, regulatory fine, or reputational crisis.
Streamline Client Due Diligence
Enterprise clients routinely send lengthy security questionnaires to their vendors. A valid ISO 27001 certificate answers the vast majority of those questions upfront — reducing procurement friction and accelerating deal cycles.
Supports Regulatory Compliance
ISO 27001 aligns closely with many regulatory frameworks including GDPR, NIS2, and various sector-specific regulations. Implementing ISO 27001 often directly supports and simplifies compliance with these obligations.
Efficient Path to SOC 2 As Well
If you're also considering SOC 2, ISO 27001 and SOC 2 share a significant number of overlapping controls. Pursuing both with soc-audit.com in a coordinated programme is considerably more efficient than running them separately.
ISO 27001 Readiness Checklist
Before your Stage 1 audit, your organisation needs to have your ISMS designed, documented, and operating. Here's a high-level checklist of what needs to be in place. Our GAP Analysis will tell you exactly where you stand against each of these areas today.
ISMS Foundation
- ISMS scope defined and documented — what's in, what's out, and why
- Information security policy approved by senior leadership and communicated
- Roles and responsibilities for information security assigned
- Management commitment and support formally established
Risk Management
- Information security risk assessment methodology defined and documented
- Risk assessment completed — all significant assets, threats, and vulnerabilities identified
- Risk treatment plan developed — accepted, mitigated, transferred, or avoided
- Statement of Applicability (SoA) completed — all 93 Annex A controls addressed
Policies & Procedures
- Core information security policies documented (access control, acceptable use, incident response, etc.)
- Asset management policy and asset inventory in place
- Supplier and third-party security policy established
- Business continuity and disaster recovery plan documented and tested
- Data retention and disposal procedures defined
Operational Controls
- Access control implemented and reviewed regularly
- Cryptography and encryption standards defined and applied
- Physical and environmental security controls in place
- Vulnerability management and patch process operating
- Incident management process operational — incidents logged and tracked
Performance & Improvement
- Internal audit programme planned and at least one internal audit completed
- Management review of the ISMS conducted and documented
- Nonconformities and corrective actions tracked and resolved
- Security awareness training delivered to all relevant staff
Not sure how ready you are? Our GAP Analysis tells you exactly where you stand.
Who Needs ISO 27001 Certification?
ISO 27001 is relevant to any organisation that handles sensitive information and wants to demonstrate a structured, internationally recognised approach to managing security risk. While any organisation can benefit, certification tends to be most critical — or most commercially valuable — in the following contexts:
Technology & SaaS Companies
Technology companies handling client data — particularly those selling into enterprise or regulated markets in the UK, Europe, Middle East, or Asia-Pacific — increasingly find ISO 27001 either required or expected as a baseline vendor qualification.
Organisations Selling to Government or Public Sector
Government procurement frameworks in many countries either mandate or strongly prefer ISO 27001 certified suppliers. Without it, you may be disqualified from tendering entirely.
Financial Services & FinTech
Banks, insurers, and financial regulators place significant weight on ISO 27001 as evidence of robust information security governance. FinTech companies seeking partnerships with regulated financial institutions will almost certainly be asked for it.
Healthcare & Life Sciences
Organisations handling health data, clinical records, or patient information — particularly those operating across multiple jurisdictions — use ISO 27001 to demonstrate a systematic approach to protecting sensitive personal data.
Professional Services Firms
Consulting firms, law firms, accountancy practices, and outsourcing providers that handle confidential client information use ISO 27001 to differentiate themselves and satisfy client due diligence requirements.
Organisations Subject to GDPR or NIS2
ISO 27001 aligns closely with the technical and organisational measures required under GDPR and NIS2. For organisations seeking to demonstrate compliance with these regulations, ISO 27001 provides a structured, auditable framework to do so.
ISO 27001 Pricing
ISO 27001 implementation and certification support is scoped based on the size of your organisation, the complexity of your ISMS scope, your current level of security maturity, and whether you're pursuing ISO 27001 alone or as part of a combined ISO 27001 + SOC 2 programme. All our engagements are fixed-scope and transparently priced.
Small Companies
- Up to 2 locations
- Up to 20 servers
- Up to 50 employees
- Up to 3 products/applications
- Add-On Options
- GAP Analysis
Growing Companies
- Up to 4 locations
- Up to 50 servers
- Up to 200 employees
- Up to 6 products/applications
- Add-On Options
- GAP Analysis
Enterprise Plan
- Up to 25 locations
- Up to 250 servers
- Up to 1,500 employees
- Up to 20 products/applications
- Add-On Options
- GAP Analysis
How soc-audit.com Guides You to ISO 27001 Certification
ISO 27001 is a serious undertaking — but it doesn't have to be overwhelming. Our consultants have been through the certification process with organisations of all shapes and sizes, and we know exactly what it takes to get there efficiently and sustainably.
Here's how we work with you from first conversation to certified ISMS:
All engagements include a dedicated consultant, full ISMS documentation support, and preparation for your certification audit with your chosen accredited certification body. Add a GAP Analysis to any engagement to start with a clear picture of where you stand today.
Frequently Asked Questions
Everything you need to know about ISO 27001 — answered plainly.
ISO 27001 is an internationally recognised management system standard that results in a formal certification issued by an accredited body. It's particularly valued in international markets, government procurement, and regulated industries. SOC 2 is an attestation report framework primarily used in the US market, focused on how a service organisation manages customer data security. Many organisations pursue both — and because the controls overlap significantly, doing them together with soc-audit.com is considerably more efficient than running them separately.
For most organisations, the journey from starting the programme to receiving their certificate takes between six and twelve months. The timeline depends on your current security maturity, the complexity of your ISMS scope, and how quickly your team can implement the required controls. Our GAP Analysis at the start of the engagement gives you a realistic, organisation-specific estimate.
No. ISO 27001 requires you to consider all 93 controls and document your decisions in a Statement of Applicability — but you only implement the controls that are relevant to your risk profile and scope. The number of applicable controls varies by organisation, but most implement somewhere between 60 and 85 of the 93. Our consultants guide you through this process to ensure your control selection is justified and defensible.
The Statement of Applicability is a key document required by ISO 27001. It lists all 93 Annex A controls, states whether each one is applicable to your organisation, provides justification for any exclusions, and references how each applicable control has been implemented. It's one of the first documents your Stage 1 auditor will review, and getting it right is critical. We produce your SoA as part of our ISMS implementation support.
An ISO 27001 certificate is valid for three years. During that period, your certification body will conduct annual surveillance audits — typically in years one and two — to verify that your ISMS remains effective. At the end of the three-year cycle, a full recertification audit is required. soc-audit.com provides ongoing support throughout the full three-year lifecycle.
Absolutely. ISO 27001 is scalable and applicable to organisations of any size. The standard is risk-based and scope-driven — a small organisation with a well-defined, focused ISMS can achieve certification efficiently. Some of our most successful engagements have been with growing startups and SMEs who used ISO 27001 as a foundation for winning enterprise clients.
ISO 27001 is the certifiable standard — it defines the requirements for an ISMS and is the framework against which your organisation is audited and certified. ISO 27002 is a supplementary guidance document that provides detailed recommendations for implementing the Annex A controls. You get certified to ISO 27001; ISO 27002 is a reference resource to help you implement the controls well.
Nonconformities identified during a Stage 2 audit are classified as either major or minor. A major nonconformity means a significant requirement of the standard has not been met — certification will not be awarded until it is resolved. A minor nonconformity requires a corrective action plan. Our pre-audit preparation is specifically designed to identify and resolve potential nonconformities before the certification body arrives, minimising the risk of surprises on audit day.
ISO 27001 certification is achievable for organisations of any size. With the right guidance, it doesn't have to take years or consume your entire team. Most of our clients achieve certification within six to twelve months of starting the programme.