Sign Contracts Digitally.
Verify Instantly.
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SignBuddy makes contract signing simple, secure, and legally binding with blockchain-verified signatures and multiple authentication methods.

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Contract

Service Agreement

Ready to sign

Signers

John Doe

john@northwind.se

Anna Svensson

BankID identity verified

Audit ID

8f92-a1ce-47

Signed with BankID + Email OTP

Immutable timeline recorded automatically

Legally bound

Proof

Blockchain sealed

Signer status

2 of 2 completed

Uncompromising Security & Workflow

Everything you need to execute agreements with absolute legal certainty.

Multiple Verification Levels

• Standard email verification (free)
• SMS OTP verification (enhanced security)
• Swedish BankID integration (highest assurance)

Blockchain Proof

• Documents anchored to Sigstore Rekor (instant)
• OpenTimestamps Bitcoin blockchain (maximum trust)
• Tamper-proof audit trail

Smart Workflow

• Multiple signers support
• Custom signing order
• Automatic email reminders
• Real-time status tracking

Legal Compliance

• eIDAS compliant electronic signatures
• Complete audit trail with timestamps
• GPS location capture (optional)
• Legally binding in EU

Organization Management

• Team workspaces
• Department accounts with limits
• Centralized billing
• Usage analytics

Developer API

• RESTful API access
• Webhook integrations
• API key management
• Comprehensive documentation

See all features

How It Works

Execute agreements securely in four simple steps.

Upload

Upload your PDF contract

Add Signers

Add recipients and choose verification level

Send

Recipients receive secure signing links via email

Done

Signed document is blockchain-verified and stored securely

See how it works in detail

Proof travels with every agreement.

Each signed document carries a clear record of what happened, who approved it, and when it was sealed. That gives teams a dependable chain of evidence without adding manual compliance work.

SHA-256

File fingerprint

Audit Trail

Signer activity timeline

Timestamped

Sealed and traceable

Verification log

$ signbuddy inspect --doc msa-final.pdf

DOCUMENT ID
  Ref: AGR-2026-0415-88

SIGNING EVENT
  Completed: 2026-04-15T13:42:11Z

AUTHENTICATION
  Email OTP + BankID confirmed

AUDIT TRAIL
  Sender, signer, IP and timestamps recorded

█ RECORD VERIFIED

Transparent Pricing

Choose the tier that matches your legal and volume needs.

Monthly

Yearly 2 Months Free

Free

0 kr/mo

For individuals getting started.

5 contracts per month
Standard email verification only
Rekor blockchain proof
7-day document expiry
Email support

Get Started Free

Professional

299 kr/mo

For small to medium businesses.

50 contracts per month
20 OTP verifications included
10 BankID sessions included
All blockchain proof types
30-day document expiry
API access
Priority email support

Start 14-Day Trial

Enterprise

999 kr/mo

For high-volume operations.

Unlimited contracts
Unlimited OTP & BankID
Custom document expiry
Org & department management
Dedicated account manager
Custom integrations & SLA

Contact Sales

Enterprise-Grade Security

Built to meet the strictest legal and compliance standards worldwide.

End-to-end encryption

SOC 2 compliant infrastructure

GDPR compliant data handling

Swedish BankID integration

Blockchain immutability

Secure encrypted storage

"The ease of use combined with the absolute legal confidence of BankID and blockchain proof saves our legal team hours every week."

Anders Lindberg

General Counsel, NordTech

"SignBuddy's API was incredibly straightforward to implement. Our automated workflow is now fully compliant and tamper-proof."

Sofia Holm

CTO, FinVerify

"Unmatched security. Knowing that every document has an immutable audit trail gives our clients the highest level of trust."

Marcus Olofsson

Managing Partner, Olofsson Law

Ready to modernize your contract signing?

Join thousands of businesses using SignBuddy for secure, legally-binding digital signatures.

No credit card required. 5 free contracts every month.

Sign Contracts Digitally. Verify Instantly. Trust Forever.