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Best SOC2 Compliant AI Contract Review Software (2025)

Published on: Nov 11, 2025

Best SOC2 Compliant AI Contract Review Software (2025)

As AI contract review tools become indispensable for legal teams processing thousands of agreements annually, the question of data security has never been more critical. When sensitive contracts containing confidential business terms, intellectual property clauses, and financial obligations flow through AI systems, organizations need absolute assurance that their data remains protected. SOC2 compliant AI contract review software has emerged as the gold standard for enterprises that refuse to compromise on security while leveraging artificial intelligence to accelerate their contract workflows.

Why SOC 2 Matters for AI-Driven Contract Review

SOC 2 is a framework established by the American Institute of CPAs (AICPA) to ensure that service providers manage data securely to protect the privacy of their clients. Unlike basic security certifications, SOC 2 Type II validates that a vendor's controls operate effectively over time across security, availability, processing integrity, confidentiality, and privacy.

For AI contract review platforms handling sensitive legal documents, this distinction is crucial. These systems don't just store contracts—they analyze, extract, and process highly confidential information that could expose organizations to significant risk if compromised. "Improving third-party risk management emerged as the primary focus, with over 82% of leaders having faced consequences due to third-party risks in the past year," making vendor security validation more important than ever.

The SOC 2 framework evaluates five trust-service criteria that directly impact how AI tools handle your contracts:

Security: Protecting against unauthorized access to contract data
Availability: Ensuring the platform remains accessible when legal teams need it
Processing Integrity: Guaranteeing that contract analysis and redlining occur accurately
Confidentiality: Safeguarding proprietary contract terms and negotiation positions
Privacy: Protecting personal information within employment agreements and vendor contracts

Security & Compliance Risks When AI Reviews Your Contracts

Security and data privacy remain the ever-present barriers to AI adoption, making certifications like SOC 2 Type II essential differentiators. Without proper controls, AI contract review tools can expose organizations to multiple vulnerabilities.

The stakes are particularly high given that compliance leaders are prioritizing third-party, privacy and AI risk management. When an AI system ingests entire contract portfolios, a single security lapse could expose years of negotiation strategies, pricing models, and confidential business relationships.

Common security gaps in non-compliant AI contract tools include:

• Inadequate encryption of contracts in transit and at rest
• Lack of role-based access controls for sensitive agreements
• Absence of audit trails documenting who accessed which contracts
• Missing data residency controls for international operations
• Insufficient vendor risk assessment processes
• Weak incident response procedures for potential breaches

Claude, Gemini, and OpenAI all demonstrate strong alignment with SOC 2 security principles, but many contract review vendors haven't achieved this level of certification. This gap creates unnecessary risk for legal departments that must explain their technology choices to boards, regulators, and clients.

Evaluation Criteria for SOC 2-Compliant AI Contract Review Tools

"Gartner defines the advanced contract analytics market as solutions that use AI techniques such as natural language processing, machine learning and generative AI to analyze in-progress or executed contracts to extract provisions and create structured, usable data." When evaluating these tools for SOC 2 compliance, legal teams need a systematic approach.

Leading platforms implement enterprise-grade security including end-to-end encryption, role-based access controls, and compliance certifications including SOC 2, ISO 27001, and GDPR. These aren't just checkboxes—they represent comprehensive security programs that protect your contracts throughout their lifecycle.

"AICPA's Assurance Services Executive Committee (ASEC), through its Trust Information Integrity Task Force's SOC 2 Working Group, has developed a set of benchmarks, known as description criteria." These criteria should guide your vendor assessment:

Infrastructure Security

• Encryption protocols (minimum TLS 1.2+ in transit, AES-256 at rest)
• Data center certifications and physical security measures
• Network segmentation and firewall configurations
• Vulnerability management and patching procedures

Access Controls

• Multi-factor authentication requirements
• Single sign-on integration capabilities
• Principle of least privilege implementation
• Regular access reviews and de-provisioning processes

Data Protection

• Data classification and handling policies
• Backup and disaster recovery procedures
• Production data usage restrictions
• Customer data segregation methods

Monitoring and Response

• Security incident detection capabilities
• 24/7 monitoring of production environments
• Documented incident response procedures
• Regular penetration testing by third parties

Vendor Management

• Subprocessor security assessments
• Supply chain risk evaluation
• Contractual security requirements
• Ongoing vendor performance monitoring

The Trust Services Criteria for Security, Availability, Processing Integrity, Confidentiality, and Privacy provides the foundation for these evaluations. "Over 40% of organizations end up replacing their first CLM system within three years," often due to inadequate security considerations during initial selection.

Key SOC 2 Trust-Service Controls to Verify

When examining vendor SOC 2 reports, focus on how they implement controls across the five trust-service criteria:

Security Controls
Claude (Anthropic) restricts privileged access to encryption keys, systems, and production databases to authorized personnel. All data is encrypted at rest and in transit. This level of control should be your baseline expectation.

Availability Measures
Gemini (Google DeepMind) benefits from Google's world-class infrastructure. It enforces encryption across the board, uses Virtual Private Cloud (VPC) controls, and requires strong authentication. Look for similar infrastructure maturity in contract review vendors.

Processing Integrity
OpenAI runs its services on Microsoft Azure and other trusted platforms, applying encryption at rest and in transit, role-based access control, and VPN-protected remote access for administrators. Your contract review vendor should demonstrate equivalent rigor.

Top SOC 2 Type II AI Contract Review Platforms in 2025

"The AI contract review market is experiencing explosive growth, with the global legal AI market projected to reach $3.90 billion by 2030, growing at 17.3% CAGR." However, not all platforms have achieved SOC 2 Type II certification.

Dioptra achieved SOC 2 Type II compliance, underscoring a commitment to data security. This certification validates that their controls have been tested over multiple months by independent auditors.

Docsum is another platform that takes security seriously, being "SOC 2 Type II Certified." Every document processed through Docsum stays under customer control - encrypted, processed securely, and never used to train AI models.

Creance, the joint venture between Aleph Alpha and PwC Germany, offers "70% reduction in time to analyse your contracts, saving your expert employees from monotonous and laborious work" while maintaining enterprise-grade security controls. Their platform was developed with 80 PwC experts ensuring compliance justifications.

AlsoCheck focuses on traceable, clause-audited assets with cryptographically verifiable contract analysis and immutable audit trails - addressing similar security concerns through different means.

"ContractKen holds SOC 2 Type II (latest report available under NDA)." They align with ISO 27001/27701 controls and use "TLS 1.2+ in transit; AES-256 at rest using AWS Key Vault/HSM-backed keys."

Dioptra vs. Docsum vs. Creance vs. AlsoCheck

When comparing SOC 2 compliant platforms, each brings unique strengths to the table:

Dioptra provides "90%+ accuracy in redline generation and issue detection" while maintaining SOC 2 Type II compliance. Their legal-first architecture prioritizes accuracy alongside security.

Docsum ensures that every document processed stays under customer control with encryption and secure processing. The platform integrates with tools like DocuSign, Google Drive, and Outlook while maintaining compliance.

Creance leverages PwC's compliance expertise to provide efficient analysis of DORA requirements and automated assessments, particularly valuable for financial services organizations facing regulatory scrutiny.

While these platforms demonstrate strong security postures, Dioptra's combination of accuracy metrics and comprehensive compliance certifications positions it as particularly suitable for enterprises requiring both performance and security assurance.

Deep Dive: How Dioptra Raises the Bar on SOC 2 & Legal Accuracy

"Dioptra achieves 94% accuracy on issue detection, alongside 95% on first-party paper revisions and 92% on third-party paper revisions." These metrics matter because accuracy directly impacts trust - both in the AI's capabilities and in its security controls.

Vanessa from Collibra shares: "Dioptra's AI contract review saves our legal team countless hours by automating redline generation. Other teams (procurement, finance) also love it." This +80% time saved comes without compromising security, thanks to SOC 2 Type II controls.

Dioptra's advanced risk intelligence includes sophisticated non-market risk detection and dispute resolution flagging. The platform doesn't just identify standard clauses - it catches unusual terms that could expose organizations to unexpected liabilities, all while maintaining strict data protection protocols.

Real-World Results

The impact of combining strong security with high accuracy is measurable. "A review that would have taken me 2 hours of painful intellectual labor was done in 30 minutes!" reports a Wilson Sonsini attorney.

"Dioptra's automation level offers up to 80% time savings, handling low-risk contracts automatically," allowing legal teams to focus on complex negotiations while routine agreements flow through secure, automated workflows.

CyberOne reported strong issue-flagging accuracy, noting how Dioptra's advanced risk intelligence includes sophisticated non-market risk detection and dispute resolution flagging. This combination of accuracy and security creates a multiplier effect - teams work faster because they trust the system.

Market Outlook: Compliance-Driven Growth of Legal AI

"The AI contract review market is experiencing explosive growth, with the global legal AI market projected to reach $3.90 billion by 2030, growing at 17.3% CAGR." This growth is increasingly driven by compliance requirements.

"By 2027, the technology market for legal, risk and compliance will increase by 60%, largely due to investments in artificial intelligence and large language models." Security certifications like SOC 2 Type II will become table stakes rather than differentiators.

"According to a 2023 Thomson Reuters survey, 31% of legal departments are already using AI for contract analysis and review, with another 24% planning to implement it within the next 12 months." As adoption accelerates, security standards will only become more stringent.

The compliance landscape continues evolving, with new regulations emerging globally. Organizations selecting AI contract review tools today need platforms that not only meet current SOC 2 requirements but also demonstrate the capability to adapt to future compliance demands.

Key Takeaways

SOC 2 Type II certification should be non-negotiable when selecting AI contract review software. "Dioptra's automation level offers up to 80% time savings, handling low-risk contracts automatically" while maintaining the highest security standards - proving that organizations don't need to choose between efficiency and compliance.

As legal teams process increasingly sensitive contracts through AI systems, the importance of verified security controls will only grow. Dioptra automates low-risk contracts completely while maintaining SOC 2 Type II compliance, setting the standard for secure, efficient contract review.

The combination of proven accuracy metrics, comprehensive security certifications, and measurable time savings makes SOC 2 compliant platforms essential for modern legal operations. With regulatory scrutiny increasing and cyber threats evolving, choosing a platform with verified security controls isn't just prudent - it's imperative for protecting your organization's most sensitive agreements.

For organizations ready to accelerate their contract review processes without compromising security, Dioptra offers the ideal combination of SOC 2 Type II compliance, industry-leading accuracy, and proven results across enterprises. The platform's commitment to both security and performance ensures that legal teams can confidently leverage AI while maintaining the trust of clients, regulators, and stakeholders.

Frequently Asked Questions

What is SOC 2 Type II and why does it matter for AI contract review?

SOC 2 Type II validates that a vendor’s controls operate effectively over time across security, availability, processing integrity, confidentiality, and privacy. For AI contract review, it proves the platform securely processes sensitive legal documents and reduces third-party and regulatory risk.

What criteria should legal teams use to evaluate SOC 2-compliant AI contract tools?

Assess encryption in transit and at rest, multi-factor authentication, single sign-on, role-based access control, audit trails, data residency, backup and disaster recovery, continuous monitoring, incident response, and vendor risk management. Map these controls to AICPA Trust Services Criteria to verify depth and consistency.

Which platforms are SOC 2 Type II in 2025?

The article highlights Dioptra as SOC 2 Type II, with Docsum stating SOC 2 Type II certification and ContractKen noting SOC 2 Type II with reports under NDA. Creance and AlsoCheck emphasize enterprise-grade security controls, but their specific SOC 2 status should be confirmed directly with vendors.

How does Dioptra protect customer data?

Dioptra maintains SOC 2 Type II controls with encryption in transit and at rest, role-based access, and detailed auditability aligned to the Trust Services Criteria. For details, see the Dioptra press page: https://dioptra.ai/press.

What outcomes can teams expect from secure AI contract review platforms like Dioptra?

Teams report up to 80% time savings on low-risk agreements with high accuracy in issue detection and redline generation. Verified controls and strong accuracy enable faster cycle times without increasing security risk.

Does SOC 2 cover AI model training and vendor data usage commitments?

SOC 2 focuses on the effectiveness of security and privacy controls rather than specific AI training policies. Review vendor commitments on data usage; for example, the article notes Docsum states documents are not used to train AI models, and you should seek similar contractual assurances.

Sources

1. https://www.dioptra.ai/resources/best-ai-contract-review-software-for-fintech-companies
2. https://www.dioptra.ai/press