AI transcription built for legal evidence

Every recording. Every document. Every fact. Sonix transforms depositions, bodycam footage, police reports, medical records, and client interviews into searchable, citable case records in seconds.

SOC 2 Type II
99% accuracy
No AI training on your data
Transcribe
Secure
Speakers
Edit
Export
Search
99%
Transcription accuracy
Industry-leading AI precision
1M+
Professionals trust Sonix
Including legal teams worldwide
54+
Languages supported
Global depositions covered
SOC 2
Type II certified
Enterprise-grade compliance
Legal Features

Everything you need for
legal transcription

Prepare Motions & Trial Briefs

Review depositions, police reports, bodycam footage, jail calls, medical records, and more, all in one place. Compare evidence across audio, video, PDFs, Word documents, and transcripts to build stronger motions and trial briefs, with every citation linked back to the source.

Find Critical Evidence Faster

Ask questions across your entire case file to uncover contradictions, reconstruct timelines, identify key testimony, and surface the facts that matter. Every answer is backed by a citation to the original evidence.

From Evidence to First Draft

Turn evidence into motions, case summaries, witness outlines, and legal memos in minutes. Edit everything in one workspace, keep citations connected to the source, and export to Word or PDF when you're ready.

Enterprise-Grade Security

SOC 2 Type II compliant with password-protected sharing, role-based access, and data protection that meets the strictest legal and government standards.

Real-Time Transcription

Capture every word during live depositions, virtual hearings, and remote legal workflows. Share live transcripts with clients and co-counsel instantly.

Legal Software Integrations

Send transcripts to Clio in one click. Import from Google Drive, OneDrive, or Dropbox. Connect via Zapier, Zoom, Teams, or email.

Security & Trust

Evidence and case files demand more than promises. Every claim below is part of how Sonix runs today — and your IT or procurement team can verify all of it.

SOC 2 Type II certified

Independently audited every year against the highest standards for security, availability, and confidentiality — with continuous monitoring of 100+ internal controls.

HIPAA BAA available

Sonix signs Business Associate Agreements on Enterprise plans and implements the required safeguards — relevant for personal-injury, medical-malpractice, and health-records evidence.

No AI training on your data

Nothing you upload is ever used to train our systems — or anyone else's. Your recordings and transcripts remain strictly confidential and are never sold or shared.

Encrypted at every layer

TLS encryption for every transfer and AES-256 server-side encryption at rest — one of the strongest block ciphers available — across our database and file storage.

Role-based access & 2FA

Grant and revoke team access quickly with multiple permission levels, require two-factor authentication, and password-protect shared files.

You control your data

View, export, and delete your files at any time — deleted audio and transcripts are completely wiped. GDPR-ready, with DPA and SCC available on request.

Common Questions

Everything you need to know about
legal transcription

How accurate is Sonix for legal transcription?

Sonix delivers up to 99% accuracy for legal audio, making it the highest-rated automated transcription platform for legal professionals. Our AI is trained on legal terminology, court proceedings, and deposition formats.

Is Sonix secure enough for confidential legal documents?

Yes. Sonix is SOC 2 Type II certified and trusted by law firms and government agencies worldwide. All data is encrypted in transit and at rest, with role-based access controls protecting privileged information.

Can Sonix identify multiple speakers in a deposition?

Absolutely. Sonix automatically identifies and labels different speakers throughout your transcript. You can easily rename speakers, merge duplicate labels, and export with proper attribution.

What formats can I export legal transcripts to?

Export to Word, PDF, SRT, VTT, and plain text. Sonix also integrates directly with Clio and other legal case management software for seamless workflow integration.

Does Sonix work with Zoom depositions and virtual hearings?

Yes. Sonix provides real-time transcription for Zoom, Microsoft Teams, and other video platforms. You can share live transcripts with participants and get polished documents immediately after.

How do I find one moment across hours of recordings?

Use multi-file search. Type a name, date, or phrase and Sonix scans every transcript in your account at once, returning timestamped results from each recording. Click any result to hear that exact moment in the original audio or video.

Why Choose Sonix

Built specifically for legal workflows

Security First

SOC 2 Type II certified with enterprise-grade encryption. Role-based access and password-protected sharing keep privileged and confidential information controlled.

Legal-Grade Accuracy

AI trained on millions of hours of legal audio. Speaker identification, legal terminology recognition, and formatting optimized for depositions and hearings.

Fast Turnaround

Get transcripts in minutes, not days. Real-time transcription for live proceedings. Instant exports to legal case management software.

Team Collaboration

Share transcripts with attorneys, paralegals, and clients. Password-protected links, granular permissions, and audit trails for compliance.

Why Legal Teams Choose Sonix

Trusted by attorneys and
court reporters worldwide

Why do law firms choose Sonix over other transcription services?

Sonix combines enterprise security, legal-grade accuracy, and fast turnaround at a fraction of traditional transcription costs. Our AI understands legal terminology and formats transcripts specifically for legal review.

How does Sonix help court reporters?

Court reporters use Sonix for real-time transcription support, editing assistance, and faster delivery. Our AI handles the first draft so reporters can focus on accuracy and polish.

Is Sonix compliant with legal data protection requirements?

Yes. Sonix is SOC 2 Type II certified and meets legal industry security standards. We offer data residency options, audit logs, and can sign BAAs for HIPAA compliance when required.

Can large law firms use Sonix across multiple offices?

Absolutely. Our Enterprise plans support unlimited users with SSO integration, centralized billing, team folders, and admin controls. We serve solo practitioners to Am Law 100 firms.

Customer Reviews

Trusted by legal teams worldwide

4.98 rating from 211 reviews

I was especially impressed with the quality when it comes to other accents as most other companies can only give a good machine transcript if it is a US accent. Sonix is amazing and I have ...
PS
Preethi S.
Hyderabad, India
English dictation is very accurate. And the online editor is easy to use. Also it generates SRT files that I can import in my video editors for further processing.
MC
Michael C.
Aberdeen, Hong Kong
I am very happy with the quality of the transcriptions! Having tried numerous other services, none can compare based on the quality for the value.
RT
Richard T.
Kapaa, HI USA
I was amazed that Sonix picked up words that I couldn't even understand.
AR
Aliona R.
San Diego, CA USA
Sonix is quick and easy to use! It's efficient and transcriptions were very close to perfect - only a little editing needed!!
EC
Emma C.
London, England
Sonix has revolutionized my life! I’m so thankful for the service you provide. It’s been amazing.
EG
Evelyn G.
Houston, TX
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Transform your legal
transcription workflow

Join thousands of legal professionals who trust Sonix for secure, accurate transcription. Contact our legal sales team to find the right plan for your practice.

99% accuracy. Every word matters.

AI transcription and translation in 54+ languages.