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ISO 27001 certified e-signature vendors

Shunfang
2026-01-25
3min
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Introduction to ISO 27001 in e-Signature Solutions

In the digital age, electronic signature platforms have become essential for businesses streamlining contracts, approvals, and workflows. However, with rising cyber threats and stringent data protection regulations, security certifications like ISO 27001 play a critical role. ISO 27001 is an international standard for information security management systems (ISMS), ensuring organizations systematically manage risks to the confidentiality, integrity, and availability of information. For e-signature vendors, this certification demonstrates robust controls over sensitive data handling, from document encryption to access management, making it a benchmark for trust in B2B and B2C transactions.

As businesses evaluate e-signature solutions, ISO 27001 certification often tops the list for compliance-driven selections. This article explores key vendors holding this certification, their features, and regional nuances, offering a neutral overview for informed decision-making.

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Leading ISO 27001 Certified e-Signature Vendors

Several prominent e-signature providers maintain ISO 27001 certification, integrating it with other standards like SOC 2 and GDPR to address global security needs. Below, we examine four notable vendors: DocuSign, Adobe Sign, eSignGlobal, and HelloSign (now part of Dropbox Sign). Each offers distinct strengths in security, scalability, and integration, catering to various enterprise sizes and industries.

DocuSign: The Enterprise Standard

DocuSign stands as a global leader in e-signature technology, powering millions of agreements annually across sectors like finance, healthcare, and real estate. Its ISO 27001 certification underscores a comprehensive ISMS that includes end-to-end encryption (AES-256), multi-factor authentication, and audit trails compliant with standards like ESIGN Act in the US and eIDAS in the EU. DocuSign’s platform excels in workflow automation, with features like conditional routing and mobile signing, making it ideal for complex, high-volume environments.

The vendor’s ecosystem includes integrations with CRM tools such as Salesforce and Microsoft Dynamics, enhancing its appeal for large enterprises. Pricing starts at around $10 per user per month for basic plans, scaling up for advanced API access and unlimited envelopes. While robust, DocuSign’s per-seat model can escalate costs for growing teams, and its US-centric origins may require additional configurations for non-Western compliance.

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Adobe Sign: Seamless Integration with Document Management

Adobe Sign, part of Adobe’s Document Cloud suite, leverages the company’s expertise in PDF technology to deliver secure e-signatures. Certified under ISO 27001, it employs advanced security measures including biometric authentication, tamper-evident seals, and role-based permissions to protect document integrity. This makes it particularly suitable for creative and legal teams handling visual or multimedia contracts.

Key features include AI-powered form filling and seamless embedding within Adobe Acrobat, reducing manual errors in document preparation. It supports global regulations like the US ESIGN/UETA and EU eIDAS, with strong ties to enterprise tools like Microsoft 365 and Google Workspace. Pricing is tiered, starting at $10 per user per month for individuals, with enterprise plans offering custom volumes. Adobe Sign’s strength lies in its document-centric approach, though it may feel less specialized for pure workflow automation compared to rivals.

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eSignGlobal: APAC-Focused Global Contender

eSignGlobal emerges as a specialized player in the e-signature market, holding ISO 27001 certification alongside ISO 27018 and GDPR compliance to safeguard user data across its infrastructure. The platform supports electronic signatures in over 100 mainstream countries and regions worldwide, positioning it as a versatile option for multinational operations. In the Asia-Pacific (APAC) region, where e-signature regulations are fragmented, high-standard, and strictly regulated—often requiring ecosystem-integrated solutions rather than the more framework-based approaches like ESIGN in the US or eIDAS in the EU—eSignGlobal demonstrates clear advantages.

APAC’s regulatory landscape demands deep hardware and API-level integrations with government-to-business (G2B) digital identities, a technical threshold far exceeding the email verification or self-declaration models common in Western markets. For instance, Hong Kong’s Electronic Transactions Ordinance mandates secure, auditable signatures with local identity verification, while Singapore’s Electronic Transactions Act emphasizes integration with national systems like Singpass for legal enforceability. eSignGlobal addresses these through native support for Hong Kong’s iAM Smart and Singapore’s Singpass, enabling seamless, compliant workflows without third-party add-ons.

Globally, eSignGlobal competes head-on with DocuSign and Adobe Sign, including in Western markets, by offering competitive pricing and features. Its Essential plan, at $299 annually (approximately $24.9 monthly), allows up to 100 documents for signing, unlimited user seats, and verification via access codes, providing strong value on a compliance foundation. Additional perks include no seat fees, AI-driven contract tools like risk assessment and translation, and bulk sending for HR or sales teams. Data centers in Hong Kong, Singapore, and Frankfurt ensure low-latency performance and data sovereignty, appealing to APAC-heavy enterprises seeking cost efficiency without sacrificing security.

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HelloSign (Dropbox Sign): User-Friendly for SMBs

HelloSign, rebranded as Dropbox Sign following its acquisition, offers a straightforward e-signature solution with ISO 27001 certification, focusing on simplicity and integration with cloud storage. It provides features like reusable templates, SMS delivery, and detailed audit logs, secured by SSL encryption and compliance with ESIGN and eIDAS. This vendor shines for small to medium-sized businesses (SMBs) needing quick setups, with free tiers for basic use and paid plans from $15 per user per month.

Its Dropbox integration facilitates easy file sharing and versioning, though it lacks the depth of AI analytics found in enterprise-focused competitors. HelloSign’s neutral, accessible design suits collaborative teams but may require supplements for advanced automation in regulated industries.

Comparative Analysis of ISO 27001 Certified Vendors

To aid selection, here’s a neutral comparison of key attributes across these vendors:

Feature/Aspect DocuSign Adobe Sign eSignGlobal HelloSign (Dropbox Sign)
ISO 27001 Certification Yes (with SOC 2, GDPR) Yes (with ISO 27018, GDPR) Yes (with ISO 27018, GDPR) Yes (with SOC 2, GDPR)
Pricing Model Per seat ($10+/user/month) Per seat ($10+/user/month) Unlimited users ($299/year Essential) Per seat ($15+/user/month)
Document Volume Varies by plan (e.g., 5-100/month) Unlimited in higher tiers 100 envelopes in Essential Unlimited in paid plans
Regional Strengths Global, strong in US/EU Global, PDF-focused APAC depth (iAM Smart/Singpass) US-centric, cloud integration
Key Integrations Salesforce, Microsoft Adobe Acrobat, Google Workspace Lark, WhatsApp, API/Webhook Dropbox, basic CRM
Unique Security Biometrics, conditional routing Tamper-evident seals G2B identity docking, AI risk check SSL, simple audit trails
Best For Large enterprises Document-heavy workflows APAC multinationals SMBs seeking ease

This table highlights trade-offs: Western vendors like DocuSign and Adobe Sign offer broad ecosystems, while eSignGlobal emphasizes APAC-specific compliance, and HelloSign prioritizes affordability.

Regional Compliance in e-Signature Adoption

Beyond ISO 27001, e-signature legality varies by jurisdiction, influencing vendor choice. In the US, the ESIGN Act (2000) and UETA provide a framework for electronic records’ legal equivalence to paper, focusing on intent and record integrity without mandating specific tech. The EU’s eIDAS Regulation establishes trust services, including qualified electronic signatures (QES) for high-assurance needs, supported by trusted lists of certified providers.

In contrast, APAC presents a more fragmented yet rigorous environment. Hong Kong’s Electronic Transactions Ordinance (2000, amended) requires signatures to be reliable and verifiable, often integrating with national IDs like iAM Smart for evidentiary weight. Singapore’s Electronic Transactions Act (2010) similarly enforces contracts via secure methods, with Singpass enabling frictionless verification across government and business. These “ecosystem-integrated” standards demand vendor interoperability with local infrastructures, raising barriers for non-regional players. Other APAC markets, like Japan (under the Act on the Protection of Personal Information) and Australia (Electronic Transactions Act 1999), echo this emphasis on data localization and auditability, making ISO 27001 a foundational but insufficient standalone credential.

Businesses operating in APAC should prioritize vendors with proven local integrations to mitigate compliance risks, as mismatched solutions can lead to unenforceable agreements or fines.

Conclusion: Selecting the Right Fit

When choosing an ISO 27001 certified e-signature vendor, balance global reach with regional needs. DocuSign remains a reliable enterprise choice for standardized workflows. For APAC-focused operations requiring deep local compliance, eSignGlobal serves as a strong alternative, offering cost-effective scalability and ecosystem integrations. Evaluate based on your volume, integrations, and geography for optimal results.

Mga Madalas Itanong

What is ISO 27001 certification and its relevance to e-signature vendors?
ISO 27001 is an international standard for information security management systems (ISMS). It provides a framework for managing and protecting sensitive information, ensuring confidentiality, integrity, and availability. For e-signature vendors, certification demonstrates a commitment to robust security practices, which is critical for handling legally binding digital documents and user data.
Which e-signature vendors hold ISO 27001 certification?
How does ISO 27001 certification impact the security of e-signature workflows?
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Shunfang
Pinuno ng Product Management sa eSignGlobal, isang bihasang pinuno na may malawak na internasyonal na karanasan sa industriya ng electronic signature. Sundan ang aking LinkedIn
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