2026 Independent Security Review
Clio is purpose-built for small and mid-sized law firms, and its security posture reflects the sensitivity of legal data. SOC 2 Type II, ISO 27001, AES-256 encryption, and matter-level access controls are all standard. Clio will sign a HIPAA BAA, which matters for firms that handle healthcare-related legal work. The platform has no publicly disclosed breach. For law firms evaluating practice management software, Clio security credentials are among the strongest in the legal technology market.
90
out of 100
AES-256 at rest, TLS 1.2+ in transit; per-matter access controls; document storage encrypted
Role-based permissions, matter-level access restrictions, SSO available, MFA available
SOC 2 Type II, ISO 27001; HIPAA BAA available; designed for legal industry compliance
Detailed Trust Center, published security whitepaper, annual SOC 2 audits, transparent data handling practices
No publicly disclosed breach of Clio customer data
Purpose-built for small and mid-sized law firms. Clean UX, accessible pricing, strong integration ecosystem.
| Category | Max Points |
|---|---|
| Encryption | 20 |
| Access Controls | 20 |
| Compliance Certifications | 20 |
| Transparency | 15 |
| Breach History | 15 |
| SMB Fit | 10 |
Clio matter-level access controls allow firm administrators to restrict which attorneys and staff can view specific client matters. This is not just a convenience feature; it is an ethical obligation. ABA Model Rule 1.6 requires confidentiality protections, and in multi-practice firms, information barriers between matters are sometimes required. Clio permissions system supports this at the software level, which is more than many general-purpose tools can offer. For firms handling opposing parties, government investigations, or matters with potential conflicts, this granularity is critical.
Clio is the benchmark for legal practice management security in the SMB market. The platform is designed from the ground up for law firms, which means the security features align with the ethical and regulatory obligations attorneys face. SOC 2, ISO 27001, no breach history, and HIPAA BAA availability put Clio ahead of most general-purpose tools. If your firm uses QuickBooks for accounting, Dropbox for file storage, and Zoom for client calls, Clio integration ecosystem connects to all of them while providing a security layer that those individual tools do not.
This is Clio home field. The platform handles time tracking, billing, client intake, document management, trust accounting, and calendaring with security controls designed for legal ethics compliance. Matter-level permissions support information barriers. The trust accounting module integrates with QuickBooks to help firms maintain proper IOLTA separation. Audit trails track who accessed which matter and when. For solo practitioners and small firms, Clio Manage is the entry point. For firms that need client intake portals with conflict checking, Clio Grow adds a front-end layer. Both tiers include the core security controls.
Clio is designed for law firms, not medical practices. However, healthcare attorneys and firms specializing in medical malpractice, health law, or healthcare regulatory work will handle documents containing PHI. Clio HIPAA BAA availability makes it a defensible choice for these practices. Configure matter-level access restrictions for cases involving PHI, and ensure that documents uploaded to Clio containing patient information are shared only with authorized team members.
Clio is not designed for government contractor compliance. However, law firms representing defense contractors or handling ITAR/export control legal work may need to store sensitive documents within Clio. The platform SOC 2 and ISO 27001 certifications support a reasonable security narrative, but Clio does not hold FedRAMP authorization. For firms whose clients require CUI handling, consult with the client about whether Clio security posture meets their contractual requirements.
Enable MFA for all firm members. Clio supports authenticator apps and SMS verification.
Configure matter-level access permissions for cases involving conflicts, opposing parties, or sensitive client information. Do not rely on the honor system.
If your firm handles healthcare legal work involving PHI, request Clio HIPAA BAA before uploading documents containing patient information.
Review integration permissions quarterly. Each app connected to Clio (QuickBooks, Dropbox, Zoom, etc.) has its own security posture.
Use Clio built-in document storage rather than linking to external file shares. Documents stored in Clio benefit from its encryption and access controls.
Yes. Clio uses AES-256 encryption at rest and TLS in transit. The platform holds SOC 2 Type II and ISO 27001 certifications, has no publicly disclosed breach, and provides matter-level access controls that support ethical wall requirements.
Yes. Clio will sign a BAA on request, which is relevant for law firms handling healthcare-related legal work where documents may contain PHI.
Yes. Clio includes a trust accounting module that integrates with QuickBooks to help firms maintain proper separation between trust and operating accounts. This addresses one of the most common compliance requirements for law firms.
Yes. Clio integrates with QuickBooks for accounting, Dropbox and Google Drive for file storage, Zoom for video conferencing, DocuSign for eSignatures, and Stripe for payment processing. Each integration has its own security posture, so review connected apps quarterly.
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