Best SOC 2 Auditors [2025]

Best For: Fast-growing startups needing first SOC 2 with tight deadlines

Differentiator: Fastest turnaround times in the industry with fixed pricing model

Best For: Companies seeking technology-enabled audits with excellent support

Differentiator: Proprietary A-SCEND platform automates evidence collection and tracking

Best For: Companies needing multiple compliance frameworks (SOC 2 + ISO 27001 + PCI)

Differentiator: Largest independent compliance assessor with global reach

Best For: Small to mid-size companies with limited compliance budgets

Differentiator: Most affordable rates without sacrificing quality or support

Best For: Silicon Valley startups and VC-backed companies

Differentiator: Deep relationships with Bay Area VC firms and accelerators

Best For: Large enterprises and public companies with complex environments

Differentiator: Big Four brand recognition, global delivery capabilities

Best For: IPO-track companies and Fortune 500 enterprises

Differentiator: Premium brand value for investor relations and M&A scenarios

Best For: Regulated industries and companies with international operations

Differentiator: Strong financial services expertise and regulatory knowledge

Best For: High-growth tech companies preparing for IPO

Differentiator: Strongest startup/scale-up practice among Big Four

Best For: Middle-market companies ($50M-$500M revenue) seeking Big Four quality at lower cost

Differentiator: Largest non-Big Four firm with middle market specialization

Best For: PE-backed companies and middle market firms with growth plans

Differentiator: Strong private equity relationships and transaction support

Best For: International companies with US subsidiaries needing compliance

Differentiator: Strong international network and cross-border expertise

Best For: Regional companies and mid-market firms seeking personalized service

Differentiator: Highly responsive teams with senior auditor involvement

Best For: UK and EU companies expanding to US market needing SOC 2

Differentiator: UK-based with deep understanding of both US and EU compliance requirements

Best For: UK cybersecurity and cloud companies targeting US enterprise customers

Differentiator: Combined SOC 2 audit with penetration testing services

Best For: Companies seeking dual SOC 2 and ISO 27001 certification

Differentiator: Bundle SOC 2 with ISO 27001 for 20% cost savings

Best For: Cost-conscious UK startups needing first SOC 2

Differentiator: Most affordable UK-based option with fixed pricing

Best For: UK gaming and entertainment companies expanding to US

Differentiator: Gaming and entertainment industry specialization

Best For: Emerging industries like cannabis and crypto needing specialized expertise

Differentiator: Leading auditor for cannabis and emerging technology sectors

Best For: West Coast companies and Pacific Northwest startups

Differentiator: Dominant West Coast presence with tech industry focus

Best For: Southeast US companies and Atlanta tech corridor startups

Differentiator: Strong Southeast presence with competitive pricing

Best For: Companies pursuing multiple compliance frameworks (SOC 2 + FedRAMP + HITRUST)

Differentiator: Leading FedRAMP assessor with government sector expertise

Best For: Pacific Northwest startups seeking boutique service and fast turnaround

Differentiator: Boutique firm with hands-on partner involvement on every engagement

Best For: Silicon Slopes companies and Utah tech corridor startups

Differentiator: Lowest cost provider without sacrificing quality or speed

Best For: Mid-Atlantic and Rust Belt companies with manufacturing components

Differentiator: Strong manufacturing and industrial expertise

Best For: DevOps-first companies with modern cloud-native architectures

Differentiator: Specializes in cloud-native and containerized environments (AWS, GCP, Azure)

Best For: Latin American companies with US operations needing compliance

Differentiator: Bilingual teams with Latin American market expertise

Best For: Northeast corridor companies and Boston-area startups

Differentiator: Deep HealthTech and life sciences compliance expertise

Best For: Companies already using Vanta for continuous compliance monitoring

Differentiator: Seamless integration with Vanta's automated compliance platform

Best For: Companies using Drata's automated compliance and monitoring tools

Differentiator: Native integration with Drata for streamlined evidence collection

Best For: Healthcare and financial services companies needing data analytics

Differentiator: Risk-based audits with proprietary data analytics and AI tools

Best For: Risk and compliance-focused organizations

Differentiator: Global consulting firm with comprehensive risk management services

Best For: Private companies and middle market organizations

Differentiator: IT Assurance practice with deep industry experience

Best For: Cloud-based organizations in highly regulated industries

Differentiator: Cloud-focused, ISO 27001 + SOC 2 combined audits, modern approach

Best For: Startups and growth-stage companies

Differentiator: Big Four expertise with startup-friendly pricing and approach

Best For: Modern SaaS businesses

Differentiator: Quality SOC reporting for modern era, GDPR and HIPAA integration

Best For: Mid-sized technology companies

Differentiator: Data analytics expertise, efficient audit approach

Best For: Southeast US companies and government contractors

Differentiator: Top 25 firm with Auditwerx division for SOC audits, CMMC expertise

Best For: Startups and SMBs

Differentiator: Competitive pricing for smaller organizations, streamlined processes

Best For: Canadian enterprises and regulated industries

Differentiator: Big Four with industry-specific expertise and technology-driven approach

Best For: Large Canadian organizations

Differentiator: Big Four firm with global presence and comprehensive cybersecurity services

Best For: Canadian financial services and large organizations

Differentiator: Big Four with strong risk management focus

Best For: Multinational corporations with Canadian operations

Differentiator: Big Four with EY Canvas platform and innovation focus

Best For: Canadian middle market companies

Differentiator: Middle market focus with Canadian expertise

Best For: Mid-sized Canadian businesses

Differentiator: Global network with Canadian expertise

Best For: SMBs and mid-market Canadian organizations

Differentiator: Personalized service for Canadian market

Best For: Western Canadian companies

Differentiator: Strong Western Canada presence

Best For: All sectors across Canada

Differentiator: Largest Canadian-based firm

Best For: BC and Western tech companies

Differentiator: BC technology sector expertise

Best For: Large Australian enterprises

Differentiator: Big Four firm with global presence and Australian expertise

Best For: Australian enterprises and government

Differentiator: Big Four with industry-specific Australian expertise

Best For: Tech and digital businesses in Australia

Differentiator: Big Four with EY Canvas platform and digital focus

Best For: Australian financial services firms

Differentiator: Big Four with strong risk management focus

Best For: Australian mid-market companies

Differentiator: Mid-market specialization with global reach

Best For: Australian mid-market firms

Differentiator: Global network with Australian expertise

Best For: All industries across Australia

Differentiator: Broad industry coverage and personalized service

Best For: Small to mid-sized Australian companies

Differentiator: Affordable pricing with quality service

Best For: Companies with complex security needs

Differentiator: Cybersecurity expertise with compliance focus

Best For: Australian startups and SMBs

Differentiator: Competitive pricing with streamlined processes

Best For: Western Australian companies

Differentiator: Western Australia presence and mining tech expertise

Best For: Australian companies expanding globally

Differentiator: Global expansion support for Australian firms

Best For: German enterprises and DAX companies

Differentiator: Big Four with deep German market expertise

Best For: Large German organizations

Differentiator: Big Four with German industrial expertise

Best For: German financial services and automotive companies

Differentiator: Big Four with automotive industry specialization

Best For: German tech and manufacturing companies

Differentiator: Big Four with EY Canvas and manufacturing focus

Best For: German Mittelstand companies

Differentiator: Mittelstand specialization with global reach

Best For: German middle market companies

Differentiator: Middle market focus with manufacturing expertise

Best For: German startups and tech companies

Differentiator: Affordable pricing for German startup ecosystem

Best For: German companies expanding to US market

Differentiator: Supports US market expansion for German firms

Best For: German SMBs and startups

Differentiator: Streamlined processes for German market

Best For: German service organizations

Differentiator: GDPR and SOC 2 combined compliance

Best For: UK companies seeking efficient compliance

Differentiator: Efficient compliance with global network support

Best For: UK/US cross-border companies

Differentiator: UK/US cross-border expertise

Best For: UK SMEs needing SOC 2 preparation

Differentiator: SOC 2 readiness and preparation services

Best For: UK companies needing affordable fast compliance

Differentiator: Fast turnaround with cybersecurity focus

Best For: Global mid-market companies

Differentiator: Combined Forvis Mazars network with global reach

Best For: International businesses with multi-country operations

Differentiator: Global network coordination for international audits

Best For: FinTech companies and New York financial services

Differentiator: FinTech specialization with NYC market expertise

Best For: Texas tech corridor companies

Differentiator: Austin startup ecosystem expertise

Best For: Mountain West tech companies

Differentiator: Healthcare and cannabis industry compliance expertise

Best For: Northeast tech and healthcare companies

Differentiator: HealthTech and life sciences specialization

Best For: E-commerce and payment processing companies

Differentiator: E-commerce and payment security specialization

Best For: Silicon Valley startups

Differentiator: Deep Silicon Valley startup ecosystem connections

Best For: Southwest healthcare and tech companies

Differentiator: Southwest regional healthcare compliance expertise

Best For: LatAm-connected businesses expanding to US

Differentiator: Bilingual services for Latin American market

Best For: Midwest manufacturing and tech companies

Differentiator: Manufacturing tech and industrial IoT expertise

Best For: Pacific Northwest tech companies

Differentiator: Sustainability and clean energy tech focus

Best For: Mid-Atlantic healthcare and finance companies

Differentiator: Pharmaceutical and life sciences compliance

Best For: Automotive technology companies

Differentiator: Automotive tech and connected vehicle expertise

Best For: Logistics and distribution technology firms

Differentiator: Supply chain and logistics tech specialization

Best For: Energy and oil & gas technology companies

Differentiator: Energy sector and industrial IoT expertise

Best For: Mountain region SaaS companies

Differentiator: Utah Silicon Slopes ecosystem expertise