Electronic Signatures in Brazil

What they are, when to use each level, and how Legale.io fits

Short summary (TL;DR):
Brazil recognizes three electronic signature levels: Simple, Advanced, and Qualified (ICP-Brasil). Unless a specific law requires a higher level, private parties may agree to sign with any of these. Courts accept e-signed documents when integrity and authorship can be demonstrated. Legale.io operates in Brazil as a Simple Electronic Signature by default, with options to enable Advanced or Qualified methods on request.

Brazil’s legal framework (plain language)

• MP 2.200-2/2001 confirms the legal validity of electronic documents in Brazil and allows proof of authorship and integrity either:

  1. with an ICP-Brasil digital certificate, or

  2. with other electronic methods accepted by the parties.

• Law 14.063/2020 defines three categories used across public and private workflows: Simple, Advanced, and Qualified e-signatures.

• Law 14.620/2023 (Civil Procedure updates) clarifies that electronic executive titles can be supported by any legally recognized e-signature modality, and that traditional witness requirements can be waived when integrity is verifiable.

Signature types in Brazil

1) Simple electronic signature (Assinatura eletrônica simples)

• What it is: Identification by basic electronic methods (e.g., email/SMS one-time codes, IP/device data, profile information, activity logs).

• When to use it: Routine business contracts, internal approvals, HR consents and acknowledgements where no law demands stronger assurance.

• Pros: Fast, inclusive, low friction.

• Considerations: Lower assurance of identity than Advanced/Qualified.

2) Advanced electronic signature (Assinatura eletrônica avançada)

• What it is: Stronger, unique identification of the signer without requiring an ICP-Brasil certificate (e.g., biometrics, bank-verified flows, multi-factor KYC).

• When to use it: Higher-value transactions, regulated processes that allow advanced methods, or when you need greater evidentiary strength.

• Pros: Higher assurance while keeping flexibility.

• Considerations: Usually adds steps/integrations.

3) Qualified electronic signature (Assinatura eletrônica qualificada)

• What it is: The signer uses an ICP-Brasil digital certificate issued by an accredited Certifying Authority.

• When to use it: Situations where law or policy explicitly requires a qualified signature (e.g., certain registral or real-estate acts).

• Pros: Highest level of assurance and strong legal presumption.

• Considerations: Requires certificate issuance/management by each signer.

How courts view e-signed documents

Brazilian courts accept electronically signed documents. Validity typically rests on:

• Integrity: tamper-evidence and cryptographic hashes (e.g., SHA-256).

• Authorship: robust audit trails (timestamps, IPs, authentication steps) showing who did what and when.

• Verification: ICP-Brasil documents can be checked with government tools; other modalities rely on platform evidence (audit logs, hash verification, envelopes).

For electronic executive titles, the law admits any e-signature modality and allows waiving two witnesses if integrity is verifiable.

Why Legale.io operates as a Simple e-signature in Brazil

By default, Legale.io authenticates signers using methods such as email/SMS verification codes, device/IP data, and a detailed audit trail. Under Brazil’s taxonomy, that baseline corresponds to a Simple Electronic Signature.

• This default is ideal for everyday commercial contracts and internal workflows that do not require higher assurance.

• It maximizes speed and user inclusion while keeping a strong evidentiary package (signed PDF, hash, and audit trail).

Need stronger assurance?

• Advanced: We can enable biometric checks, bank-verified flows, or multi-factor KYC to reach an Advanced level of assurance.

• Qualified (ICP-Brasil): We can integrate with accredited ICP-Brasil providers so that signers use their personal certificates within the Legale.io experience when a law or policy requires it.

Choosing the right level (quick guide)

• Routine B2B contracts between known parties: Simple

• Higher-value transactions or sensitive data: Advanced

• Legal acts explicitly requiring ICP-Brasil: Qualified

• Electronic executive titles: Any legally recognized modality, provided integrity is demonstrable

Tip: When in doubt, step up one level or add extra authentication factors.

What evidence you receive with Legale.io

• Final tamper-evident PDF

• Audit trail/event log (timestamps, IPs, verification steps)

• Cryptographic hash (e.g., SHA-256)

• If applicable: ICP-Brasil certificate chain or provider envelope

Frequently asked questions

Is a Simple e-signature legally valid in Brazil?
Yes—provided the parties agree and no specific law mandates a higher level for that act.

When is Qualified mandatory?
When a law or authority explicitly requires an ICP-Brasil certificate for the signer (e.g., certain registral/real-estate acts).

How does a judge verify my e-signed document?
By checking integrity (hash/seal) and authorship (audit trail). ICP-Brasil documents can also be validated with government tools.

Can Legale.io advise which level I need?
Yes. Share the use case and any applicable rules; we’ll recommend Simple, Advanced, or Qualified and activate the needed integrations.