Signet

Signet is a Senso venture, provable e-signing sealed with proof a document was not changed. We built all of it, the strategy, the brand and identity, the product design, and the engineering, from the wax-seal idea to a shipping product and a native iOS app.

DeliverablesStrategy & Positioning, Brand & Identity, Product Design, Engineering & Build
Year2026
RoleStrategy, Brand, Product
IndustryTechnology
EngagementEmber
Signet — Building Signet, a provable e-signing venture
Introduction

Signet is provable e-signing for modern businesses. You send a contract, a proposal or an NDA, it is signed in one tap with no account, and every document is sealed with a verifiable record it was not changed. It is a Senso venture, and we built all of it, the strategy and positioning, the brand and identity, the product design, and the engineering.

The brief

Every business runs on agreements, and every agreement rests on a signature. Yet somewhere along the way, signing lost the one thing that made a signature mean anything, proof you could actually see. The tools that took over were built for enterprise procurement, priced for legal departments, and shaped around the company sending the document rather than the person receiving it. Your client is asked to make an account. Your careful proposal turns into a grey form with fields stapled on. And when it is done, all you hold is a log you are asked to trust. We set out to build the opposite, an e-signing product where the proof is real, the document is yours, and signing takes one tap.

The brand

The brand

The reframe

Proof over promises.

Old e-signing asks you to trust its record. Signet makes a record you do not have to trust, one anyone can verify. Every choice after that served it.

The idea

The answer was old. For centuries a signet ring pressed a mark into wax that only its owner could make, instant, personal, and impossible to fake without breaking. A pressed seal was proof an agreement was genuine, understood on sight. That is the idea we rebuilt. The name says it, the mark says it, and the product delivers it, a modern seal pressed into every document, provable by anyone.

The seal mark

The seal mark

One colour as proof

The identity had to look like the promise. So we gave Signet a warm paper ground and a single electric vermilion, and we spent that colour with discipline, on the seal and the moment of action, never as decoration. On any screen it lands on roughly one part in twenty, so when it appears you know something is real. The type is a clean grotesque with tight corners, and the numbers, hashes and timestamps sit in a mono face, because proof should read like proof. Even the hero carries a live seal, a real digest re-rolling in front of you. The brand does not describe trust. It shows it.

The system in use
The system in use
Vermilion, one part in twenty
Vermilion, one part in twenty
Geist and the mono record
Geist and the mono record
Designed documents

With the brand set, the documents inherited it. Most e-signing staples fields onto whatever you upload. Signet renders agreements from your own brand and templates, so a proposal or a contract looks composed rather than processed. There is a builder for teams who want their own, with live preview and dynamic fields, and the same care applies to a certificate as to a cover page. The document is the first thing your client sees, so it earns confidence before a word is read.

The document builder

The document builder

No-login signing

Then we removed the friction everyone has quietly hated for years. Your client does not make an account. A secure link is the session, and it is the only key needed. They open it, adopt a signature, and it is done, usually in under a minute, on whatever device is to hand. Underneath, that link is single-use and tamper-checked before anything loads, so the ease costs nothing in rigour. It is the quiet feature that beats the incumbents every time, because the person you most want to say yes never has to sign up first.

The signing flow
The certificate of completion

The signing flow

The certificate of completion

The proof

Which brings us back to the seal. Every completed agreement is proven twice. An append-only audit trail records every event, opened, reviewed, signed, sealed, each entry hash-chained to the last so the history cannot be quietly rewritten. And the finished document is stamped with a cryptographic seal that anyone can check independently. Drop the file into the verifier and your browser recomputes the fingerprint and confirms the seal, offline, with nothing uploaded, even if Signet has gone dark. Change a figure or forge a certificate and it is caught in seconds. This is the part we would not fake, because a product about trust cannot.

The independent verifier

The independent verifier

The outcome

Signet is live in private beta, and the proof it promised is now something anyone can see. What began as a wax-seal idea is a shipping product, a designed-document builder, a signing flow with no accounts, a two-layer proof system, and a native iOS app, all branded and built inside the studio. It is a Senso venture, which means we carried it the whole way, from the first strategy note to the cryptography that makes the seal hold. The oldest idea in signing, made provable again.

Signet, live

Signet, live

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