TL;DR
SOC 2 Type I proves your security controls are properly designed at a single point in time. Type II proves those controls actually work over a period of 3–12 months. Most enterprise buyers want Type II. Most startups should start with Type I to unblock deals now, then progress to Type II within 12 months. Here is a detailed breakdown of the differences, costs, timelines, and the strategic path that gets you from zero to enterprise-ready.
What SOC 2 Actually Is
SOC 2 (System and Organisation Controls 2) is an auditing framework developed by the American Institute of Certified Public Accountants (AICPA). It evaluates how a company protects customer data across five Trust Services Criteria:
- Security (mandatory) – protection against unauthorised access, including logical and physical controls
- Availability – system uptime and performance against documented commitments
- Processing integrity – accurate, complete, and timely data processing
- Confidentiality – protection of information designated as confidential
- Privacy – collection, use, retention, and disposal of personal information
You choose which criteria to include based on your product and your customers' expectations. Nearly every SaaS company includes Security – it is the only mandatory criterion. Most add Availability and Confidentiality. Privacy and Processing Integrity are less common unless your product specifically handles personal data or financial transactions.
A critical distinction: Unlike ISO 27001, SOC 2 is not a certification – it is an attestation. An independent CPA firm audits your controls and issues a report containing their professional opinion. There is no formal pass or fail; the auditor states whether your controls meet the criteria and notes any exceptions or qualifications. In practice, however, a report with significant exceptions is functionally a failure – enterprise buyers will not accept it.
Type I vs Type II: The Core Difference
The distinction is straightforward but consequential:
- Type I answers: "Are your controls properly designed as of a specific date?"
- Type II answers: "Did your controls actually operate effectively over a sustained period?"
| Aspect | Type I | Type II |
|---|---|---|
| What it tests | Control design at a point in time | Control effectiveness over a period |
| Observation period | Single date (e.g., 15 January 2026) | 3–12 months (typically 6 months) |
| Timeline to complete | 1–3 months | 6–14 months |
| Audit cost | £15,000–30,000 | £25,000–50,000 |
| Customer acceptance | Acceptable for initial deals; some buyers require a Type II commitment | Required by most mature enterprise buyers |
| Renewal | One-off snapshot; no ongoing obligation | Annual report expected by customers |
| Evidence burden | Documentation and configuration screenshots | Continuous logs, records, and samples across the observation period |
Think of it this way: Type I is showing the examiner that you have built a car with brakes, an engine, and a steering wheel. Type II is demonstrating that you have actually driven it safely for six months.
When Type I Makes Strategic Sense
Type I is not a lesser version of Type II – it is a deliberate strategic choice that serves specific business objectives:
Unblocking your first enterprise deals. You have a prospect with a six-figure annual contract value, and their procurement team requires SOC 2 before signing. A Type I report can be ready in 8–12 weeks, turning compliance from a blocker into a closed deal.
Building your compliance programme incrementally. Type I forces you to design and document controls properly, which is the foundation for Type II. It is a structured milestone that builds organisational muscle before committing to the sustained rigour of an observation period.
Managing budget constraints. Type I costs roughly 40–50% less than Type II in audit fees, and the internal time investment is significantly lower. For a seed-stage or Series A company, this difference matters.
Demonstrating intent and trajectory. Many procurement teams accept Type I with a written commitment to achieve Type II within 12 months. This is a common and accepted pattern, particularly for startups selling into mid-market enterprises.
The risk to understand: Sophisticated buyers – particularly in financial services, healthcare, and government – may not accept Type I under any circumstances. They have seen too many companies achieve a clean Type I report but fail to maintain controls over time. Before choosing Type I, survey your pipeline and understand what your top ten prospects actually require.
When Type II Is Non-Negotiable
Type II becomes essential in several clear scenarios:
Selling to Fortune 500 or regulated industries.Banks, insurance companies, and healthcare organisations almost universally require Type II. Their own compliance obligations (PCI DSS, HIPAA, SOX) demand that they verify their vendors' controls are operationally effective, not just theoretically sound.
Handling sensitive data at scale. If you are processing financial transactions, health records, or government data, a point-in-time assessment does not provide sufficient assurance. Type II demonstrates sustained discipline.
Competing in crowded markets. When your product competes against vendors who already hold Type II reports, a Type I report puts you at a disadvantage. All else being equal, the buyer chooses the vendor with the stronger compliance posture.
Supporting your customers' audits.When your customer is themselves subject to audit – which is common in financial services and healthcare – their auditors often require Type II reports from key vendors. A Type I report creates a finding in your customer's audit, which damages the relationship.
Building long-term enterprise credibility. Type II is an annual commitment that signals organisational maturity. Customers and partners interpret it as evidence that security is embedded in your operations, not a one-off project.
What the Audit Actually Involves
Type I Process in Detail
- Scoping (1–2 weeks) – define which systems, processes, people, and trust criteria are included. Work with your auditor to agree boundaries.
- Readiness assessment (2–4 weeks) – identify gaps between your current state and the trust criteria. Remediate critical gaps before the audit.
- Control documentation (2–4 weeks) – write policies, procedures, and control descriptions. Map each control to the relevant trust criteria.
- Audit (1–2 weeks) – the auditor reviews documentation, tests control design through walkthroughs and configuration reviews, and interviews key personnel.
- Report issuance (1–2 weeks) – the auditor drafts and issues the Type I report, including any exceptions noted.
Total: 8–12 weeks, assuming no major gaps requiring significant remediation.
Type II Process in Detail
- Steps 1–3 from Type I – identical preparation, but with the knowledge that controls must operate continuously throughout the observation period
- Observation period (3–12 months) – your controls must be operating effectively throughout this entire window. The auditor will sample evidence from across the period, not just the beginning and end.
- Evidence collection – continuous throughout the observation period. This includes access logs, change management records, incident response documentation, training completion records, vulnerability scan results, and access review evidence.
- Audit (2–4 weeks) – the auditor selects samples from the observation period and tests whether controls operated as designed. They interview staff, review logs, and verify that documented procedures were actually followed.
- Report issuance (2–3 weeks) – the auditor drafts and issues the Type II report, detailing their testing procedures and any exceptions found.
Total: 6–14 months including the observation period.
Evidence Sampling: What Auditors Actually Check
Understanding the auditor's sampling methodology helps you prepare effectively:
| Control Area | Evidence Sampled | Typical Sample Size |
|---|---|---|
| Access reviews | Quarterly review records with actions taken | All quarters in the observation period |
| Change management | Pull requests with approvals, deployment records | 25–40 changes sampled across the period |
| Incident response | Incident tickets, post-mortems, communication records | All incidents in the period |
| Vulnerability management | Scan results, patching records, remediation timelines | Monthly scan results, sample of patch tickets |
| Employee onboarding | Training records, background check confirmations | 5–10 new hires sampled |
| Employee offboarding | Access revocation evidence, equipment return records | All departures in the period |
| Backup and recovery | Backup logs, recovery test results | Monthly backup evidence, annual recovery test |
The Controls You Need
Regardless of Type I or Type II, your controls will cover consistent ground. Here is what auditors expect to see, organised by domain:
Infrastructure and Access
- Multi-factor authentication enforced on all critical systems – cloud providers, identity providers, code repositories, CI/CD platforms
- Role-based access control with documented role definitions and regular reviews (quarterly at minimum)
- Firewall rules and network segmentation with documented rationale
- Encryption at rest (AES-256 or equivalent) and in transit (TLS 1.2 or higher)
- Privileged access management with logged sessions and just-in-time elevation where possible
Operations
- Formal change management process – pull requests with peer review, approval gates, and deployment records
- Documented incident response plan with defined severity levels, escalation paths, and communication templates
- Vulnerability management programme with regular scanning, defined patching SLAs (e.g., critical within 48 hours), and tracked remediation
- Backup and recovery procedures tested at least quarterly with documented results
People
- Background checks for all employees (scope varies by jurisdiction)
- Security awareness training completed annually at minimum, with records retained
- Documented onboarding and offboarding procedures with evidence of execution
- Acceptable use policies covering company systems, data handling, and remote working
Monitoring
- Centralised logging with audit trails for access events, configuration changes, and administrative actions
- Alerting on security events with defined response procedures
- Uptime monitoring with documented SLAs (if Availability is in scope)
- Annual penetration testing by an independent third party, with remediation of findings tracked to completion
If you are already following good engineering practices – code review, CI/CD, infrastructure as code, centralised logging – you have likely covered 50–60% of this informally. The gap is usually in documentation, formal processes, and consistent evidence retention.
Cost Breakdown
Here is a realistic budget for a SaaS company of 15–80 people in 2026:
Type I Budget
| Item | Cost (GBP) |
|---|---|
| Compliance platform (Vanta, Drata, or Secureframe) | £6,000–12,000/year |
| Readiness consultant (optional but recommended for first audit) | £5,000–10,000 |
| Audit firm fees | £15,000–25,000 |
| Internal time (estimated) | 200–400 hours |
| Total | £26,000–47,000 |
Type II Budget
| Item | Cost (GBP) |
|---|---|
| Compliance platform | £8,000–15,000/year |
| Readiness consultant | £5,000–15,000 |
| Audit firm fees | £25,000–45,000 |
| Internal time (estimated) | 400–800 hours |
| Total | £38,000–75,000 |
The compliance platform is technically optional, but it pays for itself many times over. Vanta, Drata, and Secureframe integrate with your cloud providers, identity systems, and code repositories to automatically collect evidence continuously. Without automation, your team will spend hundreds of hours taking screenshots, exporting logs, and organising evidence into folders. That time has a cost far exceeding the platform subscription.
The Type I to Type II Progression
The most efficient approach for startups combines both reports into a single continuous programme:
- Months 1–3: Implement controls, achieve Type I report, and begin using it to unblock deals immediately.
- Months 4–9: The Type II observation period runs concurrently – your controls are already operating from the moment Type I is complete. Continue collecting evidence automatically through your compliance platform.
- Months 10–12: Complete the Type II audit. Your observation period has been running since month three, giving you a solid six-month window.
This approach means you have a Type I report unblocking deals within three months whilst building towards Type II in parallel. The observation period for Type II starts as soon as your controls are operating – which they should be from the moment you complete Type I.
Critical Tips for the Transition
- Do not let controls lapse between Type I and Type II. The observation period must show continuous, uninterrupted operation. A gap undermines the entire exercise.
- Automate evidence collection from day one. Do not wait until the Type II audit approaches to start gathering logs and records.
- Run quarterly access reviews without fail. This is the control most frequently found deficient in Type II audits – auditors check every quarter in the observation period.
- Test your incident response plan. Auditors will ask for evidence of tabletop exercises or simulations. A plan that has never been tested is a finding.
- Keep your risk register current. A stale risk register signals that your compliance programme is not actively managed.
- Document everything in real time. Retroactively creating evidence for the observation period is both difficult and risky – auditors can often tell.
Choosing Your Auditor
SOC 2 audits can only be performed by licensed CPA firms. This is a regulated process, and the quality of your auditor directly impacts the quality – and credibility – of your report. When selecting a firm:
- Verify SaaS experience – ask how many SOC 2 audits they have completed for cloud-native SaaS companies. Auditors experienced with your technology profile ask better questions and cause less disruption.
- Understand their sampling methodology – how many evidence samples will they request during the Type II observation period? This affects your evidence collection burden.
- Confirm their timeline – reputable firms often have three to four-month backlogs. Start the conversation early.
- Ask about remediation windows – if they find issues during the audit, how much time do you have to remediate before it becomes a formal exception in the report?
- Compare pricing transparently – get at least three quotes. Ensure each quote covers the same scope and criteria for a fair comparison.
Well-regarded firms for startup SOC 2 audits include Prescient Assurance, Johanson Group, Barr Advisory, and A-LIGN. For larger companies, the Big Four (Deloitte, PwC, EY, KPMG) offer SOC 2 practices but at significantly higher price points.
Common Pitfalls
- Starting Type II before controls are mature. If your controls are not consistently operating, the observation period will expose every gap. Achieve Type I first, stabilise your controls, then begin the Type II window.
- Choosing too many Trust Services Criteria. Start with Security alone, or Security plus Availability. Each additional criterion increases scope, evidence requirements, and cost. Add criteria as your programme matures and customer requirements demand them.
- Treating SOC 2 as a one-person job. Compliance requires engineering, HR, operations, and leadership involvement. Appoint a compliance lead to coordinate, but distribute the actual work across teams.
- Ignoring vendor management. Your SOC 2 scope includes third-party services that process or store customer data. AWS, GCP, Stripe, your email provider – each needs documented assessment and monitoring.
- Forgetting about offboarding. Auditors check whether departed employees still have access to systems. This is a common finding. Automate offboarding with identity provider integrations and verify access revocation within 24 hours of departure.
- Underestimating internal time. The audit firm fees are the visible cost. The internal time – preparing evidence, answering auditor questions, remediating findings – is often two to three times larger. Budget for it explicitly.
SOC 2 vs ISO 27001: Do You Need Both?
If you sell internationally – particularly to UK and European customers alongside North American buyers – you may need both. The frameworks serve different markets and have different structures, but approximately 60% of controls overlap.
| Factor | SOC 2 | ISO 27001 |
|---|---|---|
| Primary market | North America | Global, especially UK/EU/APAC |
| Nature | Attestation report (auditor's opinion) | Certification (accredited body) |
| Validity period | 12 months | 3 years with annual surveillance audits |
| Framework basis | Trust Services Criteria (AICPA) | Annex A controls (93 in 2022 revision) |
| Approach | Criteria-based | Risk-based |
| First-year cost | £26,000–75,000 | £36,000–81,000 |
| Annual ongoing cost | £20,000–50,000 | £15,000–30,000 |
| Best for | US enterprise sales | International and regulated markets |
If you plan to pursue both, start with whichever your current sales pipeline demands most urgently. The shared controls – access management, incident response, change management, training, vulnerability management – transfer directly, reducing the marginal effort of the second certification by 40–50%.
For a detailed guide on ISO 27001 implementation, see our practical guide.
What This Means for Your Organisation
The choice between Type I and Type II is not abstract – it directly impacts your ability to close enterprise deals and the speed at which you can do so. For most growing SaaS companies, the optimal path is clear: achieve Type I within three months to unblock immediate revenue, then progress to Type II within twelve months to build long-term enterprise credibility.
Start by surveying your sales pipeline. Identify which prospects require SOC 2, whether they specify Type I or Type II, and what timeline they are working against. This information determines your sequencing. Then audit your current controls against the Trust Services Criteria – you will likely find you are further along than you expect.
Pick a compliance platform, get three auditor quotes, and set a target date. The investment pays for itself with the first enterprise deal it unlocks. SOC 2 is not a cost centre – it is a revenue enabler. The companies that treat it as such are the ones that scale.

