MatterOS is a legal practice management system for solo attorneys and small law firms. It ingests the raw, mixed-format way matters actually arrive (PDFs, scans, emails, voice notes) and assembles a structured, cited matter with parties, dates, a chronology, and a ranked action queue.

How is it different from Clio or other practice management software?

Most practice management tools assume your file is already clean and organised, and make you do the data entry. MatterOS is built around intake from chaos: it does the assembly for you, and grounds every asserted fact in its source paragraph so the output is citable and defensible.

Does it replace the lawyer's judgment?

No. The assembly is the machine's job; the decision stays the lawyer's. MatterOS surfaces what needs attention and cites its sources, but a human reviews and signs off on anything that matters.

How long does it take to turn an upload into a usable matter?

Roughly ninety seconds from drop to a structured, cited matter, regardless of the shape of the input.

Can clients see their matter?

Yes. MatterOS includes a hand-built client portal that runs on the firm's own subdomain, where clients can see status and exchange documents securely.

All work

Legal practice management · Product

MatterOS

Drop anything. It becomes a matter.

20256 min readVisit live

MatterOS legal practice management cockpit showing matter brief, parties, dates, cited paragraphs, and timeline.

~90s

From raw upload to a structured, cited matter

1 queue

Deadlines, quiet matters and overdue actions, ranked

100%

Asserted facts cited to a source paragraph

The problem

Solo attorneys and small firms don't lose matters to bad lawyering. They lose them to administration. A new matter arrives as a scattered pile: a forwarded email thread, three scanned PDFs, a signed engagement letter, a voice note from the client. Assembling that into something you can actually work (parties, dates, a chronology, the documents in order) is an hour of manual sorting before a single billable thought happens. Off-the-shelf practice management tools assume the file is already clean. It never is.

In short

A practice management system for solo attorneys and small law firms, designed around how matters actually arrive, as a mess of PDFs, scans, emails, and voice notes. MatterOS ingests the chaos, structures the file, builds the chronology, and surfaces what needs the lawyer's judgment next. Every asserted fact is cited back to its exact source paragraph; the assembly is the machine's job, the decision stays the lawyer's.

Outcomes

Matter assembled and cited in ~90 seconds, regardless of input shape
Single ranked queue across deadlines, quiet matters, and overdue actions
Hand-built client portal that runs on the firm's own subdomain

Surfaces

CockpitMatter intakeCited draftingOvernight agentsClient portal

How it was built

01
Ingest the chaos as-is.
Drop anything: PDFs, scans, email exports, images, voice notes. OCR and document parsing normalise every input into text the system can reason over, so the lawyer never has to retype or reformat to get started.
02
Extract and structure.
An extraction pass pulls parties, dates, amounts, and obligations into a structured matter record, then assembles a chronology from the documents themselves rather than from memory.
03
Cite every fact.
Every asserted fact links back to the exact source paragraph it came from. Nothing is taken on faith; the lawyer can click any claim and land on the line that supports it. That is the difference between a tool you can sign your name behind and one you can't.
04
Rank what needs judgment.
A single cockpit surfaces one ranked queue across every matter (the deadline that bites, the matter that's gone quiet, the action that's overdue) so the day starts with priorities instead of six open tabs.
05
Work overnight, hand over by morning.
Background agents do the assembly while the lawyer sleeps, and a hand-built client portal on the firm's own subdomain gives clients a branded place to see status and exchange documents.

Under the hood

TypeScriptReactPostgresOCR & document parsingStructured extractionCitation/grounding layerBackground agentsPer-firm subdomains

Results

A matter goes from raw, mixed-format upload to a structured, cited file in roughly ninety seconds, regardless of how messy the inputs were.
The lawyer works from one ranked queue instead of reconstructing priorities across email, calendar, and a filing cabinet every morning.
Because every fact is cited to its source, the output is trustworthy enough to act on, and defensible if it's ever questioned.
Clients get a branded portal on the firm's own subdomain, which reads as a real firm system rather than a generic SaaS login.

Questions