Reaching Series B changes the security conversation overnight. Enterprise prospects start asking pointed questions during procurement, investors expect a defensible security posture, and the sales team can no longer close deals on a promise alone. Consequently, founders and security leads begin actively comparing SOC 2 Firms for Series B Startups Scaling Fast, since choosing the wrong partner at this stage can cost months of runway and stall an otherwise promising enterprise pipeline. After all, the right partner does far more than produce a report; it builds a repeatable compliance program that survives the next funding round and the next framework.
This article walks through the twelve strongest options on the market today, blending automated compliance platforms with specialized CPA audit firms, because a fast-scaling Series B company typically needs both layers working in tandem.
Top 12 Best SOC 2 Firms for Series B Startups Scaling Fast
Sprinto built its platform around a prescriptive, opinionated implementation path, which compresses the time from kickoff to a first SOC 2 report. The company markets itself directly to early- and growth-stage teams that lack a dedicated compliance hire, and its entity-by-entity continuous monitoring checks controls automatically rather than waiting for manual review.
Features
- Prescriptive, step-by-step control implementation designed for lean teams
- Continuous, entity-level automated checks across the cloud environment
- Pre-built SOC 2 control mapping that compresses weeks of manual scoping
- Integrated audit coordination with partner CPA firms
- Discounted bundling for a second framework signed at the same time
Pros
- Lower entry price point than Vanta or Drata at comparable scope
- Realistic 60-day timeline to a first Type I report for focused teams
- Structured workflow reduces decision fatigue for first-time compliance owners
Cons
- The prescriptive structure can feel rigid for companies with unusual architectures
- Fewer enterprise-grade customization options than larger competitors
Pricing
Single-framework startup plans run $6,000 to $10,000 per year, and advanced plans run $11,000 to $15,000. Sprinto frequently offers a 10 to 20 percent discount for a second framework added at signing.
Final Thought
For a Series B company that wants speed and structure over deep customization, Sprinto remains a cost-efficient entry among SOC 2 Firms for Series B Startups Scaling Fast.
Scytale differentiates itself by bundling a dedicated compliance expert into the platform fee rather than selling software alone. Founded in Tel Aviv in 2021, the company pairs AI-driven evidence automation with human advisory support, which particularly benefits a Series B team without an in-house CISO. Scytale holds a G2 rating of 4.8 across hundreds of reviews, with the large majority of reviewers recommending it to peers.
Features
- AI-powered evidence review that flags gaps before an auditor does
- A named compliance expert who guides control design and interprets findings
- Auditor coordination handled directly by the Scytale team
- Support for SOC 2, ISO 27001, and several adjacent frameworks from one dashboard
- Continuous monitoring dashboards built for non-technical founder
Pros
- Advisory access reduces the learning curve for first-time compliance owners
- Strong reviewer sentiment and consistent customer satisfaction scores
- AI evidence reviewer speeds up the path to audit readiness
Cons
- Advisory-heavy model may feel unnecessary for teams with in-house expertise
- Newer brand recognition among enterprise procurement teams
Pricing
The entry-level Build tier starts around $7,500 per year for a single framework with automated evidence collection and limited AI agent access; growth-stage tiers scale from there based on framework count and headcount.
Final Thought
Scytale earns its spot among SOC 2 Firms for Series B Startups Scaling Fast by pairing automation with a human safety net, a combination that resonates with lean leadership teams.
Thoropass takes a different approach by bundling the audit itself into the platform, so a company works with one vendor across readiness, evidence collection, and the final attestation. This unified workflow appeals to Series B teams that want to avoid coordinating between a separate software vendor and a separate CPA firm.
Features
- One combined workflow spanning readiness, evidence collection, and the audit itself
- In-house auditors, which removes the need to select a third-party CPA firm
- Support for SOC 2 alongside ISO 27001, HIPAA, PCI DSS, and penetration testing
- Dedicated compliance managers assigned to each account
- A reusable evidence library that speeds up subsequent framework additions
Pros
- Single point of accountability from readiness through the final report
- Simplifies vendor management for lean operations teams
- Clear path to add frameworks without re-explaining the environment to a new auditor
Cons
- Bundling the audit can reduce flexibility to choose a different CPA firm later
- Some customers report longer scheduling windows during peak audit season
Pricing
All-in engagements, combining platform and audit, generally start near $20,000 and rise based on framework count and company size, which places Thoropass above pure-software competitors but below traditional Big Four engagements.
Final Thought
Because it collapses two vendor relationships into one, Thoropass stands out among SOC 2 Firms for Series B Startups Scaling Fast whenever operational simplicity outweighs the desire to pick a specialist auditor separately.
Vanta anchors most shortlists of SOC 2 Firms for Series B Startups Scaling Fast because it built its reputation on getting first-time teams to an audit-ready state quickly. The platform connects to a company’s cloud stack, HR systems, and version control tools, then continuously tests controls against the SOC 2 Trust Services Criteria. With more than 14,000 customers, Vanta has become the default starting point for founders who need enterprise trust without hiring a full compliance team.
Features
- Continuous, automated control monitoring across AWS, GCP, Azure, GitHub, and HR platforms
- A built-in network of partner CPA auditors that removes the need to shop separately for an audit firm
- Pre-mapped controls that cross-walk SOC 2 evidence into ISO 27001, HIPAA, and GDPR
- A customer-facing Trust Center that showcases compliance status to prospects during sales cycles
- Risk register and vendor management modules that scale as the vendor list grows
Pros
- Fast time-to-evidence, often the quickest route to a first SOC 2 report
- Large integration marketplace that fits most modern tech stacks
- Strong brand recognition that enterprise buyers already trust
Cons
- Platform license costs climb quickly once headcount and integrations grow
- Auditor fees are billed separately from the software subscription
Pricing
Expect roughly $7,500 to $30,000 per year for the platform license at mid-market scale, plus separate audit fees of $15,000 to $80,000 depending on scope. Series B companies with multiple frameworks and larger infrastructure footprints typically land at the higher end of that range.
Final Thought
For a Series B company that already has some compliance hygiene but needs to move fast, Vanta remains one of the most dependable SOC 2 Firms for Series B Startups Scaling Fast, particularly when the sales team needs a Trust Center yesterday.
Drata built its name on automation depth, and consequently it appeals to Series B teams that expect to add frameworks beyond SOC 2 within a year or two. The platform runs automated tests daily rather than periodically, which keeps evidence fresher between audit cycles. Drata also supports more than 250 integrations and over 20 security frameworks, so it fits companies that sell into regulated verticals such as fintech and healthtech.
Features
- Daily automated testing rather than point-in-time snapshots
- Cross-mapped evidence across 20+ frameworks, reducing duplicate work for multi-framework programs
- Built-in auditor access that streamlines communication during fieldwork
- Policy center with version history and employee acknowledgment tracking
- Risk management workflows tied directly to control gaps
Pros
- Deep automation reduces manual evidence-gathering as the company scales
- Strong fit for companies planning to layer ISO 27001 or HIPAA onto SOC 2
- Responsive customer success teams for growth-stage accounts
Cons
- The breadth of integrations can feel like overkill for a lean engineering team
- Pricing scales with employee count, which penalizes fast headcount growth
Pricing
Series B teams typically pay in the same $7,500 to $30,000 annual platform range as Vanta, with audit fees layered on top. Multi-framework bundles can push the all-in total toward $100,000 for a first Type II report.
Final Thought
Drata earns its place among the leading SOC 2 Firms for Series B Startups Scaling Fast whenever the roadmap already includes a second or third compliance framework.
Secureframe positions itself around intuitive design and breadth, supporting more than 300 integrations and over 35 frameworks. The platform emphasizes ease of onboarding, which matters for Series B companies that want to hand compliance ownership to a single program manager rather than an entire team. Built-in security awareness training and a public trust portal round out the offering.
Features
- More than 300 pre-built integrations across cloud, HR, and ticketing tools
- Daily automated evidence collection and control testing
- Integrated security awareness training for employees
- A public-facing trust page that mirrors Vanta’s Trust Center concept
- Policy templates reviewed by in-house compliance experts
Pros
- Clean, approachable interface that shortens onboarding time
- Strong multi-framework catalog for companies expanding internationally
- Bundled training reduces the need for a separate LMS purchase
Cons
- Some integrations are shallower than Drata’s equivalent connectors
- Advanced customization sometimes requires professional services
Pricing
Annual platform pricing generally falls between $7,000 and $25,000, with audit costs quoted separately by a partner CPA firm. Series B companies bundling a second framework often negotiate a discount at renewal.
Final Thought
Secureframe suits founders who want a friendly learning curve without sacrificing framework coverage, making it a reasonable middle path among SOC 2 Firms for Series B Startups Scaling Fast.
A-LIGN runs one of the highest-volume SOC 2 practices in the United States and bundles ISO 27001, HITRUST, FedRAMP, and PCI DSS under a single engagement. Consequently, it becomes the standard choice once a Series B company’s enterprise customers start requiring more than one attestation in the same audit cycle.
Features
- Single-engagement bundling across SOC 2, ISO 27001, HITRUST, FedRAMP, and PCI
- A-SCEND platform that centralizes evidence collection alongside the audit itself
- Large bench of credentialed auditors, reducing scheduling bottlenecks
- National footprint with experience across regulated industries
- Established relationships with major GRC automation platforms
Pros
- Multi-framework depth in one contract reduces vendor sprawl
- High capacity means shorter waitlists during busy audit seasons
- Recognized name that carries weight with enterprise procurement teams
Cons
- Larger firm size can mean less individualized attention than a small practice offers
- Best value emerges only once multiple frameworks are actually needed
Pricing
Engagements typically range from $20,000 to $80,000 depending on scope, framework count, and company size, positioning A-LIGN toward the upper end of the market for growth-stage companies.
Final Thought
When a Series B company’s roadmap includes FedRAMP, HITRUST, or PCI alongside SOC 2, A-LIGN becomes one of the more efficient SOC 2 Firms for Series B Startups Scaling Fast to consolidate everything under one roof.
Schellman has built a reputation as an enterprise-grade attestation firm that many later-stage buyers already recognize by name. For a Series B company whose customers scrutinize the auditor’s letterhead as closely as the report itself, Schellman offers a level of brand assurance that boutique firms cannot always match.
Features
- Deep bench of credentialed CPAs with multi-framework experience
- Recognized brand among enterprise and public-sector procurement teams
- Support for SOC 1, SOC 2, SOC 3, ISO 27001, PCI DSS, and FedRAMP
- Structured project management for complex, multi-entity audit scopes
- Experience serving both venture-backed startups and Fortune 500 clients
Pros
- Strong credibility with security-conscious enterprise buyers
- Consistent audit quality across a wide range of industries
- Capacity to scale alongside a company from Series B through IPO
Cons
- Premium pricing relative to boutique or startup-focused firms
- Less flexible on fixed-fee arrangements than smaller practices
Pricing
Fees commonly start around $25,000 and climb well past $80,000 for complex, multi-framework engagements, reflecting the firm’s enterprise positioning.
Final Thought
Schellman fits Series B companies preparing for enterprise or government sales cycles where the auditor’s name itself becomes part of the sales pitch, cementing its place among trusted SOC 2 Firms for Series B Startups Scaling Fast.
Sensiba pairs decades of presence in the Silicon Valley technology ecosystem with a dedicated venture-capital and technology practice, which makes it a natural fit for VC-backed companies that want a full-service CPA relationship rather than a transactional audit. The firm also holds ANAB-accredited ISO 27001 certification capability, so it can support an audit plus certification roadmap in parallel.
Features
- Dedicated technology and venture-capital advisory practice
- ANAB-accredited ISO 27001 certification body status alongside SOC 2 attestation
- Long-standing relationships across the Silicon Valley investor and startup community
- Integrated cybersecurity advisory services beyond the audit itself
- Support for multiple GRC automation platforms during fieldwork
Pros
- Full-service CPA relationship that extends beyond a single audit engagement
- Strong fit for companies planning an ISO 27001 certificate alongside SOC 2
- Deep familiarity with the venture-backed startup lifecycle
Cons
- Less name recognition outside the West Coast technology corridor
- Engagement scoping can take longer for companies with unusual org structures
Pricing
Typical engagements range from $18,000 to $60,000 depending on framework scope and whether ISO 27001 certification runs alongside the SOC 2 audit.
Final Thought
Sensiba rewards a Series B company that wants a long-term advisory relationship rather than a one-off transaction, reinforcing why full-service practices remain relevant among SOC 2 Firms for Series B Startups Scaling Fast.
Prescient Security has quickly become a go-to audit partner for venture-backed startups because it prioritizes speed without sacrificing independence. Founded in 2018 by CREST-certified penetration testers rather than traditional accountants, the firm operates from a Nashville headquarters with a distributed team spanning North America, EMEA, and APAC, and it promises same-day response through Slack or Teams.
Features
- SOC 2 engagements that can start fieldwork within days of signing
- FedRAMP 3PAO, CMMC C3PAO, PCI QSA, and HITRUST accreditations under one roof
- ANAB accreditation for ISO 27001, 27701, and 42001 certification work
- Proprietary Cacilian PTaaS platform that layers offensive security into the audit
- Support for six or more GRC automation platforms, including Vanta and Drata
Pros
- One of the fastest fieldwork-to-report timelines in the market
- Security-engineering background of the founders shows up in technical rigor
- Broad accreditation list supports companies expanding into government or fintech
Cons
- Rapid growth has occasionally strained scheduling during peak demand
- Some enterprise buyers still default to more established brand names
Pricing
Engagements start around $10,000 for a first SOC 2 Type II, with report delivery typically landing four to six weeks after fieldwork begins.
Final Thought
For a Series B company that values speed and technical depth over brand pedigree, Prescient Security ranks among the more agile SOC 2 Firms for Series B Startups Scaling Fast.
Insight Assurance runs a dual structure in which its CPA-licensed entity handles audit work while a separate consulting arm manages advisory engagements, preserving independence while still offering hands-on guidance. The firm reports more than 3,500 completed compliance engagements, roughly 1,500 active clients, and a 97 percent client retention rate, backed by leadership averaging more than 20 years of experience.
Features
- Dual CPA and consulting structure that keeps advisory and attest work properly separated
- AI-assisted audit tools that accelerate evidence review and reporting
- Coverage across SOC 1, SOC 2, SOC 3, ISO 27001, PCI DSS, HIPAA, GDPR, FedRAMP, and CMMC
- In-house penetration testing capability
- 24/7 auditor support during active engagements
Pros
- Extremely broad framework coverage under a single vendor relationship
- High client retention signals consistent service quality
- Global team presence supports companies with international customers
Cons
- Breadth of services can make simple, single-framework audits feel more complex than necessary
- Smaller footprint in the US enterprise market compared with A-LIGN or Schellman
Pricing
Fees vary widely by framework combination, but most Series B engagements fall between $15,000 and $50,000 for a first SOC 2 Type II report.
Final Thought
Insight Assurance suits a Series B company with global ambitions or plans to stack several frameworks at once, making it one of the more comprehensive SOC 2 Firms for Series B Startups Scaling Fast for internationally minded teams.
Johanson Group has carved out a respected niche by combining rigorous audit standards with a client experience that simplifies the process for teams encountering SOC 2 for the first time. Based in Colorado Springs, the firm operates as a boutique CPA practice and has become one of the most common names inside the Vanta and Drata auditor marketplaces because of its speed and low-friction fixed-fee model.
Features
- Fixed-fee SOC 2 Type I and Type II engagements with predictable costs
- Type I reports delivered in as little as one to three weeks for prepared teams
- Deep familiarity with Drata, Vanta, Secureframe, Sprinto, and Rippling evidence exports
- ISO 27001 certification issuance under IAS accreditation for companies stacking frameworks
- Direct partner-level communication rather than layered account management
Pros
- Among the fastest and least expensive credentialed CPA options for a first report
- Straightforward, jargon-free communication for non-technical founders
- Strong track record specifically with automation-platform evidence exports
Cons
- Less suited to complex, multi-entity enterprise engagements
- Fewer adjacent services, such as penetration testing, compared with larger firms
Pricing
Type II fees commonly range from $6,000 to $15,000, making Johanson Group one of the most cost-efficient credentialed options for a first audit.
Final Thought
For a Series B company that wants a fast, fixed-fee, no-nonsense audit partner, Johanson Group remains one of the most startup-friendly SOC 2 Firms for Series B Startups Scaling Fast.