Custom fields
Allow project codes, phase identifiers, change order references, and client PO numbers to be added as required fields in templates.
Using an electronic invoice template for engineering reduces manual errors, shortens approval time, and provides a clear audit trail for project-based billing and subcontractor payments.
Project managers prepare invoice line items linked to milestones and changes. They need a template that includes task codes, percentage completion fields, and an approval signature area to confirm work performed before finance processes payment.
Accounting leads consolidate invoices across projects, apply the correct general ledger codes, and ensure retention policies are met. They require exportable data, audit trails, and role-based access to maintain financial controls and support audits.
Engineering project managers, contract administrators, and accounting staff commonly rely on standardized invoice templates and eSignature workflows to keep billing accurate and auditable.
Centralized templates and clear signer roles help ensure invoices move through approvals predictably and remain compliant with recordkeeping policies.
Allow project codes, phase identifiers, change order references, and client PO numbers to be added as required fields in templates.
Automatically show or hide invoice sections based on project type, contract clauses, or billing method to reduce manual edits and errors.
Route invoices in a defined order to project managers, contract admins, and finance for clear accountability before sending to clients.
Generate and distribute multiple client invoices at once using data merges, saving time on recurring monthly or milestone-based billings.
Maintain a timestamped record of edits, views, and signatures to support audits and regulatory review processes.
Manage approved invoice templates centrally so teams reuse compliant formats and reduce ad hoc variations across projects.
Sync invoice templates with Google Docs to edit narrative sections, pull in proposal text, and export final PDFs for signature while preserving template structure and field mappings.
Link invoices to CRM records so client contacts, billing addresses, and contract identifiers populate automatically, ensuring consistent client data across sales and finance.
Store signed invoices and supporting documents in a structured Dropbox folder hierarchy for project-based archival and team access with controlled permissions.
Export invoice line items to accounting packages in CSV or direct integration formats to accelerate AR entry and reconciliation with bank deposits.
| Primary Workflow Setting Name Field | Default configuration value used by the workflow |
|---|---|
| Approval sequence for invoices | Project manager -> Contract admin -> Finance |
| Reminder frequency for signers | 48 hours after send, then weekly |
| Expiration period for signature requests | 30 days |
| Attachment requirement enforcement | Require supporting docs for change orders |
| Retention period for archived invoices | Seven years per policy |
Most modern electronic invoicing and eSignature tools work across desktop and mobile browsers and offer native mobile apps for on-the-go approvals.
Ensure that your chosen platform meets your organization’s device management policies and supports the browsers and mobile OS versions used by your team to avoid access issues during approvals.
A small structural firm bundles time-and-materials invoices with change-order attachments for each milestone
Resulting in faster payments and clearer project billing records.
A subconsultant to a public transportation project submits monthly invoices aligned to contract invoice codes
Leading to smoother audits and fewer payment holds.
| Feature or Requirement Name Header | signNow (Recommended) | DocuSign | Adobe Sign |
|---|---|---|---|
| eSignature availability | |||
| API access for integrations | |||
| Bulk Send for mass invoices | |||
| Mobile native apps |
Seven years recommended for financial records
Annual review of archive and access lists
Provide records within 30 days for audits
Retain with original invoice for contract life
Revalidate access annually for security
| Plan or Feature Comparison Header | signNow (Recommended) | DocuSign | Adobe Sign | HelloSign | PandaDoc |
|---|---|---|---|---|---|
| Free tier available | Yes | No | No | Yes | Yes |
| API available | Yes | Yes | Yes | Yes | Yes |
| Bulk send support | Yes | Yes | Yes | Yes | Yes |
| HIPAA-ready options | Available on plan | Available on plan | Contact sales | Contact sales | Contact sales |
| Template and content library | Included | Included | Included | Included | Included |