For lawyers who leave nothing to chance
Close enough isn’t.
Syntheia is the deterministic data layer for legal documents, so your lawyers and the AI you already use can rely on exactly what the agreement says.
Used by more than 10 of the Global 100 law firms
YOU ALREADY KNOW EVERY WORD MATTERS
The world is moving fast, but your role will always stay the same
There is a kind of lawyer who reads every definition and every boilerplate.
They know the word “and” and the word “or” can be worth a billion dollars. They know that the word "material" in a representation is not the same as the word "material" buried in a definition. They know the comments their counterpart sent on Friday afternoon changed three things, even though the cover email only explained two.
Your clients do not pay for just getting it done; they pay you for getting it right.
Syntheia is built for you.
Generative AI has made the first draft faster, but every answer it gives still has to be checked against the document.
DETERMINISTIC BY DESIGN
Answers you can rely on without reading the agreement twice
Syntheia breaks every agreement into its clauses, definitions and cross-references, and keeps the source attached to each one.
Every answer traces back to its clause
Each piece of text comes back exactly as it was drafted, with its document and page.
Your AI becomes more reliable
We give the AI you already use the exact text to work from.
Your firm keeps what it builds
Every document you process adds to a library your firm owns.
Trusted by more than 10 of the Global 100 law firms
WHO WE SERVE
See what Syntheia does for your work
LAW FIRMS
“What changed?"
Tools your lawyers can use from the first day, on a data layer your firm owns.
FUNDS
“What have we promised and to whom?"
Every side letter and MFN election, in the words your investors agreed to.
IN-HOUSE
“What have we promised and to whom?"
Ask the AI you already use, and get back the clause you signed.
BUILDERS
Curate
"Show me every obligation, every election, every consequence."
Side letters. MFN elections. Curate the lattice of promises that governs a private fund.
✓ Fund side letter management
✓ MFN creation and analysis
✓ Provision-level extracted text
✓ Source-traceable obligations
WHO WE SERVE
See what Syntheia does for your work
SYNTHEIA
Compare
"Show me everything that changed — across every document, all at once."
See changes to your documents. A number moves, a definition shifts, the substance without the noise.
✓ Any legal document
✓ Multi-document comparison
✓ Persistent issues list across matters
✓ Actual source text, not AI inference
SYNTHEIA
Curate
"Show me every obligation, every election, every consequence."
Side letters. MFN elections. Curate the lattice of promises that governs a private fund.
✓ Fund side letter management
✓ MFN creation and analysis
✓ Provision-level extracted text
✓ Source-traceable obligations
SYNTHEIA
Query
"Show me what the terms buried inside this corpus actually say."
Extract and normalize text from transactional documents and retrieve the source text you need.
✓ Hierarchical, structured extraction
✓ Integrated OCR and reading order resolution
✓ Exact clause and subclause retrieval
✓ Defined term and cross reference awareness
PURPOSE-BUILT INSTRUMENTS FOR THE TRUST YOU HAVE EARNED
For the work where details matter
When you think “what changed”, think Syntheia.
We will help you see what others miss.