Pricing

When millions are on the line, signing is not a place to cut corners.

We built SumoSign on open source because we believe in transparency. But we also understand that enterprise deals demand more than goodwill — they demand flawless execution, legal defensibility, and zero downtime.

Legal-grade audit trails

Every signature is backed by tamper-evident evidence structured for outside counsel and regulatory review—not screenshots.

Zero-compromise infrastructure

Your domain, your brand, your security policy. We do not route your clients through a portal that looks nothing like your product.

Human support, not chatbots

When a deal is stuck at the finish line, you talk to engineers who can read the audit log, diagnose the issue, and fix it.

Transparent tiers. No hidden fees.

Start on any tier. Upgrade when your volume or compliance requirements grow.

Starter
$79/month

For independent professionals who need signing that looks as sharp as their work.

  • Branded signing pages
  • Core templates
  • Standard audit trail
  • Email support
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Most popularProfessional
$249/month

For agencies and operators running high-stakes client work where first impressions are everything.

  • Custom signing domain
  • Advanced brand controls
  • Full API access
  • Team collaboration
  • Webhooks & integrations
  • Priority email support
Get started
Business
$599/month

For teams where compliance, scale, and legal defensibility are non-negotiable.

  • Higher volume limits
  • 99.9% SLA guarantee
  • SAML SSO preparation
  • Custom workflow review
  • Dedicated onboarding
  • Priority support
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Enterprise

Built for organizations that cannot afford a single failure.

For organizations where a failed signature, compliance gap, or security breach could cost millions.

  • Dedicated infrastructure review
  • Custom data residency
  • Security questionnaire support
  • Procurement-friendly terms
  • Dedicated account manager
  • Custom limits & commitments

Ready to stop apologizing for your signing experience?

Pick the tier that fits and get set up today. If you need procurement, SSO, or a dedicated rollout, our team will have you configured within one business day.