Secure e-signatures with email OTP verification

Sign with confidence.
Built for real workflows.

Send documents for signature, place fields, control signing order, verify recipients by email OTP, and track every step with a detailed audit trail.

Email OTP·Audit trail·Live tracking·Secure PDF archive

Non-Disclosure Agreement.pdf

Sequential signing · 2 of 3 complete

Send to sign

Non-Disclosure Agreement

Page 4 of 12

SignatureMaya

Live activity

  • Link opened14:05
  • OTP verified14:06
  • Maya signed14:09
  • Awaiting Sofia

Recipients

2 of 3 signed
MT
DO
SR

The platform

One workflow, from upload to sealed archive.

Everything you need to send, sign, and archive a document — with more intelligence on the way.

Signing Workflows

Route any deal to every signer.

Send PDFs to one or more recipients, place fields exactly where they belong, and choose sequential or parallel signing. Recipients open a secure link and verify with email OTP — no account required.

  • Sequential or parallel signing order
  • Place and drag signature, date, name, text, and checkbox fields
  • On-demand reminders and live status tracking

Prepare to send

Sequential signing

Employment Agreement · Page 3

SignatureMaya
Date signed

Signing order

1

Maya Thompson

Needs to sign

Sign · Date
2

David Okafor

Needs to sign

Sign
3

Sofia Reyes

Needs to sign

Sign
Seal & Certify

Every signature, recorded and archived.

When the last party signs, HelixzSign finalizes the document, issues a signing certificate, and keeps a public verification record with a detailed event timeline.

  • Finalized PDFs cryptographically protected at completion
  • Audit trail with timestamps, IP address, and browser details
  • Signing certificate and archived document for each envelope

Signing certificate

Completed

Non-Disclosure Agreement.pdf

Sealed · tamper-evident

Certificate ID

SF-9F2A·14C7

Sealed at

30 Jun 2026, 14:22

CertificateProtectedArchived

Audit trail

  1. Document sent to 2 signers14:02
  2. Viewed by Maya Thompson14:05
  3. Signed by Maya · IP 81.2.•.•14:09
  4. Signed by David Okafor14:18
  5. Sealed with certificate14:22
HelixzSign Engine
Coming soon

Contract intelligence is coming to HelixzSign.

HelixzSign Engine is being designed to help teams understand contracts before they sign — from concise summaries to clause-level insights and smarter document preparation.

  • Clause insights that surface language worth a closer look
  • Plain-language summaries of important terms
  • Rewrite suggestions, smart field placement, and document classification

Engine preview

Coming soon
Clause 4.2.1 · Non-competeEmployment

“Employee agrees to a non-compete period of 5 years following termination of employment…”

Planned suggestion

Consider a shorter non-compete window so the term is easier to review before signing.

Apply rewriteDismiss
SummarizedAuto-tagged: EmploymentRisk 72

Built in by default

Everything your team needs, in one place.

Reusable templates

Reuse documents as templates for future envelopes. Saved field layouts are planned for a future update.

Coming soon

Bulk send

Send personalized copies of the same document to large recipient lists from one workflow.

Custom branding

Add your company logo, primary color, custom email subject, and invitation message.

Coming soon

Custom domains

Host signing experiences on your own domain so every request stays fully on-brand.

Coming soon

Integrations are on the roadmap.

HelixzSign is being prepared to connect with the tools teams already use to create, send, and manage documents.

Live document tracking

See who opened, viewed, and signed — live, with a complete event timeline.

Industry Verticals

Built for your
industry needs.

HelixzSign is a focused signing workspace teams can use for the documents that already move their work forward.

Human Resources

Send offer letters, NDAs, policies, and onboarding documents with structured recipients, reminders, and status tracking.

Offer lettersNDAsPolicy acknowledgments

Financial Services

Collect signatures on applications, authorizations, and account agreements with email OTP and a complete activity record.

Loan agreementsAccount openingAuthorizations

Real Estate

Move leases, sale agreements, and agency paperwork forward without chasing every signer manually.

Lease agreementsSales contractsAgency forms

Legal & Professional

Prepare client agreements and authorizations, then keep a verification record for every completed envelope.

Service agreementsClient authorizationsEngagement letters
Accountable signing infrastructure

Designed with
accountability.

HelixzSign records recipient verification, document activity, signing events, timestamps, IP information, and completion evidence to support transparent electronic-signature workflows.

Organizations remain responsible for determining the legal and regulatory requirements that apply to their use case.

Email OTP
Recipient verification
Audit trail
Event timeline
Live tracking
Opened, viewed, signed
PDF archive
Certificate + finalized file

Accountable by design

HelixzSign records recipient verification, document activity, signing events, timestamps, IP information, and completion evidence.

Transparent electronic signatures

Every envelope produces a signing certificate and public verification record so teams can review what happened, and when.

Protected at rest and in transit

Finalized documents use AES-256-GCM application-level encryption. Stored objects use encrypted cloud storage, and traffic uses encrypted HTTPS.

Verification, today and next

Recipients verify with email OTP today. Stronger identity checks and standards-based PDF signing are on the HelixzSign roadmap.

OTP

Email verification

Recipients verify access using a one-time code delivered to their email address before signing.

ID
Coming soon

Advanced identity

Stronger recipient identity checks are being prepared for high-assurance signing workflows.

PDF
In development

PAdES & timestamps

We are working toward standards-based PDF signing and trusted timestamp support for advanced verification workflows.

Signing workflow

From upload to archival
in three simple steps.

A focused path from document to signed archive — without extra software for recipients.

01
Step 01

Upload & prepare

Upload a PDF, add recipients, place signature and data fields, and choose sequential or parallel signing.

02
Step 02

Send & verify

Send secure signing links. Recipients open the document in the browser and verify with a one-time email code.

03
Step 03

Track & complete

Follow opened, viewed, and signed activity live. Download the completed record, certificate, and archived PDF.

FAQ

Questions, answered.

HelixzSign collects electronic signatures in the browser, verifies recipients with email OTP, and records a detailed audit trail plus a signing certificate. Organizations remain responsible for determining the legal and regulatory requirements that apply to their use case.

Ready to sign with confidence?

Built for secure, traceable document signing — from field placement to archived completion records.

No credit card required · Additional plans coming soon