Your AI Colleague That Knows Your Practice
TwinCounsel connects to your email and handles the admin and drafts real legal work for solo, small-firm, and in-house attorneys — the way you would do it yourself.
Now onboarding a small group of Founding Partners
Your first matter, in minutes
Watch TwinCounsel read 147 emails and come back with a summary, the deadlines you might have missed, and what to do next.
What you're seeing: TwinCounsel connects to your inbox, identifies cases from your email patterns, and builds a comprehensive case summary — surfacing deadlines you might have missed and recommending next steps. Every fact links back to a specific email.
You Went Solo for Freedom. You Inherited a Second Job.
You chose solo practice for independence. Now the day fragments — switching matters, reconstructing facts, hunting for that one email. Five of every eight hours never reach an invoice. Independence gave you control — and a second full-time job nobody warned you about.
Inbox overwhelm
Case details buried in hundreds of emails. Every matter switch means rebuilding the timeline, the parties, where things left off — from scratch.
Deadline anxiety
Deadlines, court dates, statutes of limitations — carried in your head, across every matter. Things slip because you're the only one watching.
Drafting from scratch
The same documents, rewritten over and over. The best AI chases big law — and what's left makes you rebuild context every single time.
What Your TwinCounsel Does
Five things it takes off your plate — done the way you would do them.
Knows your practice
Connect your email and your matters map themselves — parties, timelines, deadlines, every fact cited. No data entry, no questionnaire. It knows what you’re working on before you ask.
Builds your playbooks
You never set these up. It learns your clause positions, your intake flow, your voice — from your own matters — and runs them as playbooks. What comes back sounds like you, not a robot.
Handles the admin
Triage, intake, follow-ups, status updates — the back-and-forth that fills five of every eight hours and bills as zero. You stop being the bottleneck.
Drafts real legal work
Memos, redlines, demand letters, client updates — built from your matter context, run through your playbooks. Not a template. Your work product, ready to refine.
Pursuant to Section 12 of the Lease, demand is hereby made that Tenant cure the defects identified in the inspection report dated March 4 within fourteen (14) days of receipt.
Shows you how your practice runs
See your practice whole: what’s active, what’s overdue, where your time goes, what’s recoverable. A baseline you’ve never had.
Get Started in Minutes
No new software to learn. We set up your twin, you assign a client, and you're delegating the same day.
We set up your twin
We connect your email (read-only) and stand up your twin — playbooks, integrations, a privilege-safe environment. It sees only the matters you assign; everything else stays private.
Assign a client
Reply with a client name. It finds the relevant emails and builds the whole picture — parties, deadlines, documents, history. Nothing to reconstruct from memory.
Delegate and review
Daily briefings, delegated drafts, cited work to review — by email, text, voice, or the app. You're the editor, and your twin gets sharper the more you use it.
Gmail 
Outlook 
Calendar 
Documents + your practice-management system It can even keep your PMS updated — your inbox holds fresher signal than any system of record.
Complete Provenance. Complete Auditability.
Privilege-safe and auditable. Every matter isolated, every output cited, zero data retention with every provider — your data never trains anyone's model.
Every fact traced to its source
Click any fact to open the original email or document. Never wonder where it came from.
Automated QA before your review
Every output passes automated QA first — uncertainties flagged, attention areas highlighted.
A reflection of the attorney
Every correction teaches it. Over time it reflects your practice — your style, your matters, your preferences. You're not training a tool; you're building a colleague.
The demand letter sets the response window at fourteen (14) days from receipt, consistent with your standard terms.
"…Tenant shall respond within 14 days of receipt of written notice."
Reyes_priorletters.pdf · p.2
Privilege-Safe
Sandboxed, auditable, cited. SOC 2 & ISO 27001 in progress.
Bar Ethics Reviewed
Designed to support ABA Opinion 512 and your professional-responsibility duties, under your supervision.
You Control What Goes Out
Starts read-only. Nothing is sent without your approval.
US Data Centers
Data stays domestic
"Prep time dropped from ninety minutes to nine minutes of review. That's what happens when the system already knows the case."
Vijay Law
Criminal and Family Law Attorney, San Jose, CA
The Rise of the Solo.
More attorneys are going independent than at any point in a generation. They left for autonomy — their clients, their work, their judgment. But independence carries a hidden tax: every operational burden lands on the one person doing the legal work, and the day fills with reacting instead of practicing. That isn't a personal failing. It's the structure of going it alone.
That structure is fixable. A legal twin — an AI colleague that handles its share of the practice — gives you big-firm leverage without giving up the independence you went solo for. Our aim: make solo practice the best way to practice law, not the hardest.
Become a Design Partner
We're building the legal twin category with a small group of solo attorneys
What Design Partners Get
TwinCounsel is built and working. As a design partner, you'll use your legal twin on real cases while helping us define the category.
Use TwinCounsel on your actual cases today
Weekly check-ins, same-day support
Your feedback influences what we build next
Early access to beta features and skills as they ship
Meet the Founders
A lawyer-led team of repeat co-founders and YC alumni
building the legal twin — an AI colleague for solo and independent attorneys.
Josh Dorward
Bay Area native who grew up in a small family business — he knows what it's like to be responsible for every detail, every client, every fire drill. Graduate of Cornell University and Santa Clara University School of Law. Member of the California State Bar since 2008. Serial entrepreneur: previously co-founded Indivio (YC S17), a video personalization startup acquired by Cloudinary.
Kenji Hashimoto
Technologist and seasoned startup leader based in San Jose, driven by a passion for building solutions that make a real impact. Graduate of Cornell University with a master's in engineering. Career spent at the intersection of innovation and technology, leading teams at Intel and Zazzle. Previously co-founded Indivio, a video personalization SaaS startup acquired by Cloudinary.
FAQ
Everything you need to know about TwinCounsel
What is TwinCounsel?
What is TwinCounsel?
TwinCounsel is your legal twin — an AI colleague purpose-built for solo and small-firm attorneys. It connects to your email, learns your matters and your methods, and handles its share of the work. Delegate in plain English — drafting, tracking deadlines, summarizing where a matter stands, finding that email. You're the editor, not the author. Every fact is cited back to its source.
What makes TwinCounsel different from other legal AI?
TwinCounsel is the only legal twin that works from your email — where decisions are actually made and documented. Harvey chases big law. Clio is a dashboard that requires data entry — another task, not a solution. ChatGPT starts cold every time — no memory of your matters, no privilege safeguards. TwinCounsel is different: your legal twin reads your email, knows the parties, the timeline, the documents, and your preferences. You delegate by reply. Every fact traced to its source.
Why email instead of another software platform?
Your inbox is where legal work already happens — client communications, opposing counsel, court notices. Why force you into another platform? With TwinCounsel, you delegate by reply in plain English. No learning curve, no new interface to master. Just reply like you would to a colleague. And when you want one place to review and approve what's ready, the app gives you that — delegating never requires new software.
How It Works
How does TwinCounsel work?
Connect your email with read-only access. TwinCounsel reads your matters and builds a complete picture of each one — parties, timelines, documents, and deadlines from your existing communications. It learns how you handle each kind of work and builds your playbooks — plain-English descriptions of how you want work done. Then delegate by reply: 'Redline this contract against my usual positions' or 'What deadlines do I have this week?' You get back cited, auditable work product. You're the editor, not the author. Any corrections you make, your legal twin learns from.
How does my legal twin know my matters?
Your legal twin reads your email — threads, attachments, and calendar — and builds a complete picture of every matter: parties, timelines, documents, deadlines, and your specific preferences. This isn't generic AI that starts cold every time. It's a colleague that already knows your matters, your clients, and your practice — working from your inbox, learning from every correction you make.
How long does it take to get started?
Minutes, not months. Connect your email (Gmail or Outlook) with read-only access, and TwinCounsel immediately starts building a complete picture of your matters from your existing emails. No data migration, no manual setup, no organizing files first. Everything you need is already in your inbox — just scattered and unsearchable. TwinCounsel changes that.
Trust & Security
How can I trust the AI's work product?
Complete provenance, complete auditability. Every fact your legal twin surfaces is traced to its source email or document — click to verify. Each output passes automated QA before your review. You're the editor, not the author — you see exactly where information came from and can drill into the details. You remain fully responsible for everything that goes out the door. That's what lawyer on the loop means: you supervise the output, you don't prompt it step by step.
How is my confidential client information protected?
TwinCounsel is privilege-safe by design. Every agent runs in an isolated sandbox — it can't touch anything outside its matter. Starts with read-only access to your email; you control what goes out, and nothing is sent on your behalf without your approval. No training on your data. Zero data retention with every model provider. AES-256 at rest, TLS 1.3 in transit. US data centers only. Building to SOC 2 Type II and ISO 27001. Designed from day one for attorney-client privilege.
TwinCounsel is built on Claude — why not just use Claude directly?
TwinCounsel is built on Claude, so as Claude improves, your legal twin improves. What we add is what makes it usable for a law practice: your matter context organized and cited, playbooks built from your own work, and privilege-safe isolation with a full audit trail. And the floor nobody mentions — Claude Pro and Team don't have Zero Data Retention turned on. TwinCounsel runs ZDR with every model provider, so privileged client work is never used to train a model or retained beyond a single request.
Getting Started
What do I need to get started?
An email account (Gmail or Outlook) and matters that need attention. TwinCounsel works with your existing email — no special software, no hardware, no need to organize your data first. We handle that automatically. Currently accepting design partners for our private beta.
How can I become a design partner?
We're working with a small group of solo and small-firm attorneys to build the legal twin category together. Design partners get hands-on access to use TwinCounsel on real matters, regular check-ins with founders, and influence over product direction. Request an invite to see if it's a fit for your practice.