21 CFR Part 11 Compliant SignNow's CRM Vs Zendesk Sell

Check out the reviews of the airSlate SignNow CRM vs. Zendesk Sell to compare the benefits, features, tools, and pricing of each solution.

No credit card required
See how it works!Click here to sign a sample doc

Award-winning eSignature solution

Overview: 21 CFR Part 11 compliance in signNow and CRM workflows

21 CFR Part 11 defines U.S. FDA requirements for electronic records and signatures used in regulated environments. This comparison examines how signNow implements controls relevant to Part 11 within CRM-driven document workflows versus what Zendesk Sell provides natively. The focus is on auditability, signature authentication, record integrity, and administrative controls that support validated processes. The goal is to outline practical differences in features and configuration that impact regulated documentation, while staying aligned with U.S. legal frameworks such as ESIGN and UETA for electronic signature validity.

Why evaluate Part 11 controls when choosing an eSignature for CRM

Selecting a solution with explicit Part 11 controls reduces compliance gaps for FDA-regulated activities, improves audit readiness, and clarifies responsibilities for recordkeeping and signature attribution in CRM workflows.

Why evaluate Part 11 controls when choosing an eSignature for CRM

Common implementation challenges

  • Configuring audit trails across CRM and eSignature systems can leave gaps if timestamps and versioning are not aligned.
  • Applying consistent authentication methods for remote signers requires coordination between CRM identity stores and signing platforms.
  • Document lifecycle policies, including retention and disposition, are often inconsistently enforced across integrated tools.
  • Validating electronic records for regulatory inspection needs repeatable procedures and documented supplier controls for third-party tools.

Representative user profiles

Clinical Trial Manager

Oversees trial document distribution and signature completion; requires immutable audit trails, signer identity proofing, and retrievable records to support inspections and study oversight across CRM workflows.

Quality Assurance Lead

Responsible for validating eSignature processes and ensuring document control. Needs role-based permissions, electronic record export, and evidence demonstrating that signature events are attributable and preserved.

Typical users and teams affected

Teams that handle regulated agreements often include clinical operations, quality assurance, and compliance professionals who need audit-ready records.

  • Clinical operations staff managing trial documentation and sponsor approvals.
  • Quality assurance teams responsible for change control and audit evidence.
  • IT and compliance professionals maintaining validated integrations and access controls.

Cross-functional coordination is common: legal and IT oversee contracts and integrations, while business users initiate and manage signature requests.

Expanded feature set to review for enterprise use

Beyond core controls, evaluate integration depth, automation, and administrative features that support scale and repeatable compliance in regulated organizations.

API Access

REST API for document creation, signature requests, and audit log retrieval to enable validated integrations with CRM systems and backend archives.

Bulk Send

Ability to send identical documents to multiple recipients with individual tracking and audit records for each transaction, reducing manual work for mass attestations.

Team Templates

Shared, managed templates that enforce consistent fields and workflows across users and departments, simplifying governance and reducing configuration drift.

Role-Based Permissions

Granular administrative roles to control who can create templates, send requests, or export logs, supporting separation of duties for regulated processes.

Single Sign-On

SAML or enterprise SSO to centralize identity management and enable corporate authentication policies across CRM and eSignature services.

Document Retention Controls

Configurable retention and disposition rules that align with corporate policy and regulatory requirements for long-term storage and deletion.

be ready to get more

Choose a better solution

No credit card required

Core Part 11-relevant features to evaluate

Focus on features that directly support Part 11 expectations: tamper-evident records, signer identity assurance, reproducible audit logs, and administrative controls for validation and change management.

Audit Trail

Detailed, time-stamped event logs that record every significant action on a document, including uploads, field edits, signature events, authentication attempts, and exports, enabling reconstruction of the full document lifecycle for inspections.

Authentication

Support for multi-factor authentication and single sign-on using SAML/OAuth to reliably link an electronic signature event to a uniquely attributable individual and reduce the risk of unauthorized signing.

Record Integrity

Document versioning, cryptographic seals, and tamper-evident PDF generation to ensure signed records cannot be altered without detection and that original signed versions remain retrievable.

Administrative Controls

Role-based permissions, configurable retention policies, and exportable system logs to support validated processes and demonstrate controlled access and change-management practices.

Signing flow: From CRM record to completed, auditable signature

A standard flow shows how a CRM triggers a signing request, how signers authenticate, and how completed records are stored with audit metadata.

  • Initiate: Generate signing request from CRM record.
  • Authenticate: Signer verifies identity using configured MFA.
  • Sign: Signer applies electronic signature to final PDF.
  • Record: System stores signed document and audit trail.
Collect signatures
24x
faster
Reduce costs by
$30
per document
Save up to
40h
per employee / month

Quick setup: Configure a compliant eSignature workflow

Basic configuration steps produce an auditable, Part 11-aligned workflow when integrating an eSignature solution into CRM processes.

  • 01
    Define scope: Identify documents and regulated processes.
  • 02
    Configure roles: Assign signer and approver permissions.
  • 03
    Set authentication: Enable MFA or SSO for signers.
  • 04
    Enable audit: Activate immutable logging and retention.

Checklist: Preparing a document for compliant signing

Follow these steps to ensure documents are prepared and handled to meet Part 11 expectations before issuing signature requests from a CRM.

01

Confirm document version:

Lock the final version.
02

Apply required fields:

Predefine signer fields.
03

Assign signers:

Use verified identities.
04

Set authentication:

Require MFA or SSO.
05

Enable audit logging:

Activate complete event capture.
06

Configure retention:

Set archive policies.
be ready to get more

Why choose airSlate SignNow

  • Free 7-day trial. Choose the plan you need and try it risk-free.
  • Honest pricing for full-featured plans. airSlate SignNow offers subscription plans with no overages or hidden fees at renewal.
  • Enterprise-grade security. airSlate SignNow helps you comply with global security standards.
Start free trial
illustrations signature

Recommended configuration settings for Part 11 workflows

Default configuration values and settings to enable auditable, repeatable eSignature workflows when integrating with CRM systems.

Workflow Setting Name and Purpose Default configuration values for regulatory workflows
Reminder Frequency for Signers in Days 48 hours default; editable by admin
Audit Trail Retention Period in Months Minimum 84 months; configurable per policy
Document Encryption Key Management Provider-managed keys with export options
Authentication Enforcement Level for Signers MFA required for regulated signers
Template Approval Workflow Configuration Require QA approval before template activation

Supported platforms and technical requirements

Ensure signer devices and administrative consoles meet minimum platform versions and secure connectivity requirements before deploying regulated workflows.

  • Desktop browsers: Modern Chrome, Edge, Safari
  • Mobile support: iOS and Android apps supported
  • API requirements: TLS 1.2+, REST API compatibility

For regulated environments, standardize supported device lists, keep browsers and apps updated, and enforce corporate network controls. Document these platform requirements within validation protocols and include them in supplier qualification records to demonstrate consistent, reproducible operating environments.

Security and protection controls

Encryption in transit: TLS 1.2+ enforced
Encryption at rest: AES-256 standard
Access controls: Role-based permissions
Authentication options: MFA and SSO
Audit logging: Immutable event logs
Data residency: US-based storage options

Industry examples showing Part 11-focused eSignature use

Two condensed case studies show how CRM-integrated eSignature workflows are applied in regulated settings and the operational outcomes from controls and configuration.

Clinical site initiation packet

A sponsor used signNow integrated with a CRM to distribute site initiation documents and capture investigator signatures with MFA and preserved audit logs

  • Templates reduced manual prep time
  • Signatures were tightly linked to versioned study documents

Resulting in clearer inspection evidence and faster site qualification timelines.

Quality agreement execution

A manufacturing quality team used an eSignature workflow paired to CRM records to manage supplier quality agreements and amendments

  • Centralized templates enforced standardized clauses
  • Role-based approvals ensured authorized signers only

Leading to consistent retention of signed agreements and simplified retrieval for audits and supplier reviews.

Best practices for compliant eSignature use in CRM workflows

Adopt repeatable, documented procedures and configure systems to enforce controls that support auditability, signer identity, and record integrity in regulated activities.

Document a validation and change-control plan
Maintain written evidence that configurations and integrations were qualified for intended use; record versioned test scripts, acceptance criteria, and results, and control changes through formal change-management processes.
Standardize templates and fields
Use centrally managed templates and predefined form fields to reduce user error, ensure consistent data capture, and simplify review during audits or inspections.
Enforce strong authentication
Require multifactor authentication or enterprise SSO for signers involved in regulated transactions to strengthen identity binding and reduce repudiation risk.
Retain exportable evidence
Keep signed PDFs, full audit logs, and associated metadata in accessible, read-only formats to support inspection, submission, and legal requirements.
Connect airSlate SignNow to your apps
Check out airSlate SignNow integrations
Data accuracy, security, and compliance
airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific
Learn more about security

FAQs and troubleshooting for Part 11 workflows

Common questions and answers address configuration pitfalls, audit expectations, and typical technical issues encountered when integrating eSignatures with CRM systems.

Feature-level comparison: signNow (Recommended) vs Zendesk Sell

Side-by-side availability and capability comparison focused on features relevant to 21 CFR Part 11 and regulated CRM workflows.

Comparison Criteria for eSignature Features signNow (Recommended) Zendesk Sell
Formal 21 CFR Part 11 Attestation Status
Audit Trail Detail and Immutability Level High Limited
User Authentication Options Supported for Regulatory Workflows Multi-factor Password-only
Document Version Linking and Tamper Evidence Embedded seals External references
be ready to get more

Get legally-binding signatures now!

Start your free trial

Retention and timeline guidance for regulated records

Retention timelines and accessible export formats are central to meeting inspection and submission expectations for electronic records and signatures.

Document retention period:

Retain for minimum seven years

Audit log retention:

Keep logs for the same retention period

Backup frequency:

Daily encrypted backups

Export readiness time:

Exportable in hours

Access review cadence:

Quarterly permission audits

Regulatory risks and consequences

Noncompliance fines: Civil penalties possible
Inspection observations: Warning letters risk
Product approval delays: Submission holds possible
Data integrity findings: Corrective actions required
Legal exposure: Contract disputes increase
Operational disruption: Repeat audits demanded

Pricing and plan comparison across leading eSignature vendors

High-level plan and capability summary comparing signNow and Zendesk Sell alongside other common eSignature providers for procurement context.

Pricing and Plan Comparison signNow (Recommended) Zendesk Sell DocuSign Adobe Sign HelloSign
Entry-level plan name and availability signNow Business plan available Zendesk Sell Sell Team plan DocuSign Personal or Individual Adobe Sign included with Acrobat subscriptions HelloSign Essentials plan
API access in base plan Available in Business/API tiers Available on Enterprise only Available with Developer or Business plans Included for enterprise APIs Available in API plan tiers
HIPAA compliance offering available HIPAA option on business plans Not HIPAA attested HIPAA available with Business Pro HIPAA offering for enterprise HIPAA available on request
Native CRM integration support Prebuilt CRM connectors and integrations Native CRM features, limited eSign integration Integrations via marketplace and APIs Adobe ecosystem integrations Dropbox and marketplace integrations
Bulk send and template capabilities Bulk Send and Team Templates supported Limited bulk send features Bulk sending and templates available Bulk send available in enterprise Templates and bulk send supported
walmart logo
exonMobil logo
apple logo
comcast logo
facebook logo
FedEx logo

Explore Advanced Features

Discover More eSignature Tools

be ready to get more

Get legally-binding signatures now!

Start free trial
Company
Forms
Pricing
Resources
Knowledge base
Products
© 2026 airSlate Inc. All rights reserved.
English