WHY WEBUILT THIS.
Private capital transactions have always followed the same sequence. Counsel. Agreement. Conditions. Signing. Payment. Close. Nobody enforced it. We changed that.
THE GAP
Every tool built for private capital focuses on discovery, due diligence, or portfolio management. None of them address what happens between term sheet and close — the most consequential period in any transaction, and the one most likely to go wrong.
In a traditional data room, one party controls access, one party controls the log, and there is no mechanism to enforce the sequence that both parties implicitly agree to follow. Conditions get skipped. Signing happens before conditions are cleared. Payments are confirmed on trust.
Lengdon was built to fix this. Not by adding features to a data room — but by building a different kind of infrastructure, from first principles, with the sequence at the centre.
PRINCIPLES
Infrastructure, not participant
Lengdon never takes a side. It doesn't advise, negotiate, or facilitate. It records — and the record belongs to both parties.
Sequence before convenience
The six-gate sequence exists because private capital transactions go wrong when steps are skipped or done out of order. We enforce the sequence because convention doesn't.
Both parties leave with a record
Traditional data rooms are controlled by one party. At close, both parties export a sealed copy of the full audit trail. Neither party can revoke the other's copy.
Per-person, not per-company
Every NDA, every access grant, every signature is tied to a named individual. Not a company, not a team, not a role. When someone leaves, their access ends with them.
ENTITY DETAIL
Want to work with us?
We're hiring engineers, compliance specialists, and people who care about private capital.