Investors, especially those in growth equity and institutional funds often ask for SOC 2 reports during technical due diligence. In fact, the top soc 2 firms investors recommend frequently come up early in these conversations, since their involvement signals credibility. Startups that present a clean SOC 2 Type II report during fundraising show that they operate with discipline, manage risk carefully, and can meet enterprise expectations. Consequently, this strengthens valuation, speeds up deal timelines, and improves the chances of closing contracts with Fortune 500 companies, financial institutions, healthcare systems, and government agencies.
At the same time, founders who research the top soc 2 firms investors recommend gain a clearer path through the compliance process. The SOC 2 ecosystem includes two main vendor types, and each plays a distinct role. First, compliance automation platforms offer SaaS tools that help teams prepare for audits through automated evidence collection and ongoing control tracking. Next, licensed CPA audit firms independent accountants accredited by the AICPA conduct the formal examination and issue the official SOC 2 report. Therefore, many companies choose to work with both to complete the process efficiently. We have reviewed 12 leading SOC 2 firms across these categories.
Top 12 Best SOC 2 Firms Investors Recommend
1. Vanta
Vanta stands as one of the most widely adopted compliance automation platforms, with more than 9,000 companies using it worldwide. The company launched in 2018 and focused from the start on removing the manual effort tied to SOC 2 compliance for SaaS and cloud businesses. As companies grow, investors at Series A and B stages often point to Vanta as the standard way to show strong security practices.
Moreover, the platform uses an AI-driven system that handles up to 90% of evidence collection, while it also runs over 1,200 tests every hour to maintain continuous compliance checks. In addition, it connects with more than 375 tools across cloud, identity, endpoint, and ticketing systems. According to IDC, customers report a 526% return on investment over three years, along with a payback period of about three months.
Features
- Automates evidence collection across 375+ integrations
- Runs 1,200+ hourly compliance tests
- Uses AI to handle security questionnaires (about 25 per year on Growth plan)
- Includes vendor risk tracking and scoring
- Supports automated user access reviews and approvals
- Maps multiple frameworks to avoid duplicate work
- Connects users with audit partners like A-LIGN and Schellman
Pros
- Widely trusted by investors and enterprise buyers
- Large integration ecosystem
- Strong AI-driven automation on higher plans
Cons
- Pricing increases with team size and added features
- New users may need time to understand the system
- Mid-tier support experience can vary
- Audit costs come separately
Pricing
- Does not list fixed prices publicly
- Essentials plan: about $7,500–$11,500 per year
- 1–50 employees: about $12,000–$25,000 per year
- 51–200 employees: about $20,000–$40,000 per year
- 200–500 employees: about $35,000–$60,000+ per year
- Multi-framework bundles: about $30,000–$80,000+ per year
Best Use Cases
- SaaS startups preparing for investor reviews or enterprise deals
- Companies working toward SOC 2 and ISO 27001 at the same time
- Teams that want a widely recognized compliance platform
- Organizations with complex cloud systems that need automation
Verdict
Vanta fits companies that want a trusted name in compliance and need automation to handle complex systems. However, growing teams should plan for rising costs and some onboarding time before they see full value.
2. Drata
Drata works with over 4,000 customers and supports more than 26 compliance frameworks. It uses a Compliance-as-Code approach, which helps engineering teams handle compliance tasks through automation instead of manual effort. In addition, the platform connects with over 200 tools and tracks systems continuously in real time. For this reason, many engineering-led SaaS companies choose Drata when they want strong technical automation built into their compliance process.
Features
- Automated user access reviews with role-based approvals
- Audit Hub for secure evidence sharing with auditors
- Cross-mapping so one control can meet multiple certifications
- Risk register with scoring, alerts, and guided fixes
- AI support for faster security questionnaire responses
Pros
- Strong fit for engineering-focused teams
- Continuous monitoring reduces manual work
- Wide integration support across cloud and DevOps tools
Cons
- Extra cost for vendor risk and Trust Center features
- Setup can take a few weeks in complex systems
- Integrations may break in highly customized setups
- May feel too complex for very small teams
Pricing
- Custom pricing based on company size and needs
- Foundation plan: about $7,000–$15,000 per year
- Advanced plan: about $15,000–$25,000 per year
- Enterprise plan: $25,000–$100,000+ per year
- Extra frameworks: $1,500–$7,500 each per year
- Setup fees can reach $25,000
- Average annual cost reported around $34,385
- Audit fees are separate from platform pricing
Best Use Cases
- Engineering-led SaaS companies with 20–500+ employees
- Startups backed by investors that need strong compliance systems
- Teams working toward multiple certifications at once
- Companies using tools like AWS, GitHub, and Okta
- Organizations where security engineers handle compliance
Verdict
Drata stands out for teams that want deep automation and strong technical control over compliance. However, smaller companies or those with simpler needs may find it too complex and expensive.
3. A-LIGN
A-LIGN has completed more than 31,000 audits and serves over 5,700 clients with a team of 400+ auditors across five international offices. It focuses fully on cybersecurity and compliance, which helps it deliver consistent audit quality at scale.
In addition, A-LIGN uses its A-SCEND platform to manage audits from start to finish. The platform connects directly with tools like Vanta, Drata, and Secureframe, which reduces repeated work and speeds up the audit process. Therefore, clients often complete audits faster with less effort. The company also reports a 96% client satisfaction rate and promises responses within 24 hours, which supports strong client retention.
Features
- A-SCEND platform for evidence collection and audit tracking
- Direct integrations with Vanta, Drata, and Secureframe
- AI support to detect gaps and speed up audit reviews
- Global support teams across multiple time zones
- SOC 2 readiness checks and gap assessments
- Covers multiple frameworks: SOC 1, SOC 2, ISO 27001, FedRAMP, HITRUST
- Offers combined SOC 2 and ISAE 3000 audits
- Licensed CPA firm registered with Public Company Accounting Oversight Board
Pros
- Reduces duplicate work through direct integrations
- Handles multiple compliance frameworks in one place
- Strong experience in fintech, healthcare, and regulated sectors
Cons
- Does not provide ongoing monitoring like compliance software tools
- Uses custom pricing, so you need a consultation first
- May feel too structured for very small startups
Pricing
- No fixed pricing available publicly
- Custom quotes depend on scope, company size, and audit type
- Typical estimates:
- SOC 2 Type I: $10,000–$30,000
- SOC 2 Type II: $20,000–$60,000+
- Costs may increase for larger or more complex audits
Best Use Cases
- SaaS companies already using Vanta, Drata, or Secureframe
- Teams that need quick audit completion for enterprise deals
- Companies working toward multiple certifications at once
- Fintech and healthcare businesses in regulated environments
Verdict
A-LIGN stands out for its scale, speed, and deep focus on compliance audits. It works especially well for growing companies that want an efficient audit process and already use compliance tools. However, smaller teams may prefer a more hands-on or flexible option.
4. Schellman & Company
Schellman focuses fully on cybersecurity and compliance instead of offering financial audits, tax work, or general consulting. Therefore, clients work with specialists who stay deeply involved throughout the engagement. In addition, the firm uses a fixed-fee structure, so clients understand costs from the start without unexpected changes. Schellman also moves quickly, delivering draft SOC 2 reports in about three weeks and final reports within 30 days. This timeline is much shorter than the six to twelve months many larger firms require.
Features
- Fixed-fee pricing with clear upfront costs
- Draft SOC 2 report in about 3 weeks
- Final report within 30 days after audit completion
- Focus only on cybersecurity and compliance
- Active role in the AICPA SOC 2 working group
- Auditors hold credentials like CISA, CISSP, and CPA
Pros
- Strong reputation in cybersecurity compliance
- Quick turnaround time
- Deep SOC 2 expertise across the team
- Helpful startup program for early-stage companies
- Trusted by large enterprises and government buyers
Cons
- Higher cost than smaller firms
- No built-in automation tools like Vanta or Drata
- Not ideal for companies needing tax or financial audit services
- May feel too advanced for very small startups
- Pricing can still be high compared to offshore firms
Pricing
- Fixed-fee model, though exact prices are not publicly listed
- Typically lower than Big Four firms, yet higher than smaller providers
- More details available on Schellman website
Best Use Cases
- Startups selling to large enterprises or financial institutions
- Mid-sized companies that want predictable audit costs
- Teams working under tight investor or customer deadlines
- Tech companies handling multiple compliance requirements at once
Verdict
Schellman stands out for speed, pricing clarity, and deep specialization. Moreover, its strong reputation makes it a solid choice for companies that need credibility during sales or fundraising. However, smaller teams or budget-conscious startups may find other options more suitable.
5. Thoropass
Thoropass (formerly Laika) stands out among soc 2 firms investors recommend since it combines compliance software with built-in audit services. Instead of using one tool for preparation and another firm for auditing, you can handle both within the same platform. This setup reduces back-and-forth, and it simplifies communication throughout the process. Moreover, Thoropass states that companies can cut costs by 25–50% compared to hiring a separate audit firm. This happens since the platform includes both preparation tools and audit execution, along with its First Pass AI for evidence checks.
Features
- Combined audit model (prep + audit in one place)
- First Pass AI for evidence review
- Automated evidence collection from systems
- Continuous monitoring dashboards
- Risk register and vendor tracking
- Policy templates for documentation
- Task reminders and workflow automation
Pros
- Uses one vendor for both prep and audit
- Can reduce overall compliance costs
- Faster audits with in-house experts
- Easy-to-use interface
- Strong support experience
Cons
- Higher starting cost than software-only tools
- Less advanced automation for DevOps teams
- Fewer integrations than competitors
- Dashboard may feel crowded
- Not ideal if you already use another auditor
- Some limits with file uploads
Pricing
- Custom pricing model
- Platform starts around $8,700/year
Best Use Cases
- Companies that want one provider for audit and compliance
- First-time SOC 2 teams that need guidance
- Businesses comparing full cost (tool + audit)
- Fintech and healthcare SaaS companies
Verdict
Thoropass appeals to teams that want a simpler path to compliance. It brings everything into one place, and that reduces coordination issues. However, companies with strong internal engineering teams may prefer tools with deeper automation. Still, if you want guidance and fewer moving parts, Thoropass remains one of the soc 2 firms investors recommend for a reason.
