Product

Grown-up features, none of the enterprise tax.

Everything you'd expect from serious e-signing, and three things the incumbents can't give you: agreements from your own design, no-login signing, and a provable seal on every completed document.

sign.signet.co/a/ada-northwind
No logins. Just sign.

A secure link is the session. Signed in under a minute.

Your client opens, reviews, draws or types their name, consents, done. On any device. No account, no app, no friction.

Signature
Ada ClientAgree & sign

Sealed & verifiable

Every completed agreement is sealed with a certificate anyone can verify.

untampered

Webhooks

Signed events, pushed to your systems in real time.

POST /hooks
{ "type": "agreement.sealed" }

Tamper-evident audit trail

append-only
  1. Opened09:41:02·a3f1
  2. Reviewed09:41:55·b7c4
  3. Signed09:42:31·e0d9
  4. Sealed09:42:33·f24a

Designed templates

A visual builder with live preview and dynamic fields, on-brand, every time.

Lifecycle & reminders

Renewals, expiries and unsigned agreements, tracked and nudged for you.

Northwind MSARenews in 14 days
Acme retainerExpires in 30 days
Studio NDAAwaiting signature

Spaces

A branded, living hub of a client's agreements, everything in one place.

NNorthwind Ltd
Master Services Agreementsealed
Statement of Work #2sealed
Mutual NDAsent

Multi-entity branding

Send from any of your legal entities or client-facing brands, each on-brand.

Your StudioNorthwind LtdAcme Co
Every capability

The whole toolkit, in one place.

No-login signing

A secure link is the session. Your client opens, reviews, signs and consents, no account, no app, no password.

  • Signed in under a minute
  • Any device, any browser
  • The biggest reason deals close faster

Designed templates

A visual builder with live preview and dynamic fields. Agreements are rendered from your own design, not stapled onto an upload.

  • Your logo, type and layout
  • Merge data, dates and figures
  • Flawless PDF, every send

Tamper-evident seal

Every completed agreement is sealed with a certificate anyone can verify. Not a log you're asked to trust, proof.

  • Verifiable certificate of completion
  • Any change is detectable
  • Delivered to every party

Tamper-evident audit trail

An append-only record of every event, opened, reviewed, signed, sealed, with who, when and from where.

  • Immutable and exportable
  • Timestamped and hashed
  • eIDAS / ESIGN aligned

Approvals & Spaces

Internal sign-off before anything reaches a client, and a branded, living hub for each client's agreements.

  • Route for internal approval
  • A hub per client
  • Roles and permissions

Webhooks & integrations

Signed events pushed to your systems in real time, plus lifecycle tracking for renewals, expiries and obligations.

  • Real-time signed events
  • Reminders and renewals
  • Multi-entity branding

Send your first agreement free.

See the whole thing in action. Join the early-access list and we'll get you a seal of your own.

No card, no spam. We'll only email about your access.