Best Invoice App for Contractors: SignNow

Streamline your billing process with airSlate SignNow's intuitive eSigning features. Save time and reduce costs while managing invoices effortlessly.

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Legal validity and U.S. compliance

Electronic invoices and signatures processed through compliant providers meet U.S. legal standards under ESIGN and UETA; contractors should confirm provider support for audit trails and any sector-specific rules such as HIPAA when handling protected health information.

Legal validity and U.S. compliance

Typical contractor user profiles

General Contractor

A general contractor coordinates multiple trades, manages subcontractor payments and progress billing, and needs consolidated invoicing, lien waiver management, and job-cost reporting to maintain margins and comply with prime contract requirements.

Independent Subcontractor

An independent tradesperson issues invoices per project milestone, often from job sites. They benefit from mobile capture, simple templates, integrated payment acceptance, and clear proof of signed approvals for faster cash collection.

Core features contractors rely on

Functional tools that streamline billing, client management, and payments when evaluating the best invoice app for contractors for management.

Invoice Templates

Customizable templates let contractors save common line items, tax treatments, payment terms, and logo placement so invoices can be generated quickly and consistently for repeat jobs.

Payment Processing

Integrated payment options accept card and ACH payments directly on invoices, provide settlement reporting, and reconcile payments against outstanding invoices to simplify collections.

Client Management

Centralized client records store contact details, billing addresses, payment terms, tax IDs, and historical invoices for faster invoicing and dispute resolution.

Mobile Capture

Mobile features capture receipts, job photos, and time entries on-site, attach them to invoices, and reduce manual data entry when preparing bills from the field.

Reporting

Built-in reports track unpaid invoices, aging, revenue by client or project, and exportable summaries useful for job costing and tax preparation.

eSignature

Legally binding electronic signatures with audit trails, signer authentication options, and completion certificates to document client approvals on estimates and invoices.

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How online invoicing and signatures operate

An overview of online invoice creation, signature routing, and payment collection workflows used in the best invoice app for contractors for management.

  • Upload Document: Add invoice PDF or create from structured fields.
  • Add Fields: Place signature, date, and payment fields as needed.
  • Invite Signers: Email recipients or share a secure signing link.
  • Complete Transaction: Receive signed invoice and payment confirmation records.
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Quick setup for contractor invoicing

A concise setup pathway for contractors to configure the best invoice app for contractors for management and begin invoicing, tracking, and collecting payments with standard business settings in place.

  • 01
    Create Account: Register with business name and contact details.
  • 02
    Add Clients: Import or enter client profiles and payment terms.
  • 03
    Build Invoice: Use a template to add items, rates, and taxes.
  • 04
    Send & Track: Deliver the invoice and monitor status until paid.

Maintaining an audit trail for every invoice

Steps to ensure signed invoices and approvals include sufficient metadata and traceability for audits and contractual records.

01

Capture Events:

Record timestamps for every signer action
02

Record IP:

Log IP addresses on signature events
03

Store Versions:

Save each document iteration securely
04

Attach Evidence:

Include completed forms and receipt scans
05

Export Logs:

Provide exportable CSV or PDF audit logs
06

Retain Records:

Keep signed files per retention schedule
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Why choose airSlate SignNow

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  • 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.
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Automation and workflow configuration

Recommended workflow settings to automate reminders, late fees, and integrations that support contractor billing cycles.

Setting Name Configuration
Invoice Reminders Frequency 3 days
Auto-Apply Late Fee Policy After 10 days
Payment Reconciliation Rule Auto-match by amount
Webhook Notification Endpoint https endpoint
Third-Party Integration Mode Two-way sync

Supported platforms: mobile, tablet, and desktop

Supported platforms include modern web browsers, iOS, and Android apps for contractors using the best invoice app for contractors for management.

  • Web Browser: Chrome, Edge, Safari supported
  • iOS App: iOS 13 and above
  • Android App: Android 8 and above

Ensure devices run current OS versions and have reliable connectivity; mobile apps support offline drafting, push notifications, camera receipt capture, simplified signing, and basic payment collection to allow invoicing directly from job sites and field offices.

Security and authentication features

Encryption: AES-256 at rest and TLS in transit
Multi-Factor: Two-factor sign-in available
Access Controls: Role-based permissions for teams
Audit Trail: Complete signer event logs
Data Residency: US-based storage options available
Certificate Signing: Optional PKI-backed signatures

Industry scenarios showing practical use

Use-case examples illustrate how contractors apply invoice apps to real workflows across job types and billing arrangements.

Residential Contractor

A residential general contractor issues progress invoices as milestones complete, using a template to itemize labor and materials with tax details

  • quick template population for recurring line items
  • client pays via integrated card or ACH, reducing collection time

Resulting in faster cash flow and clearer job-level accounting for permits and inspections.

Commercial Subcontractor

A commercial subcontractor provides monthly invoices tied to certified payroll and lien waiver attachments, consolidating labor hours and change orders into one document

  • automated field capture of daily logs
  • streamlined client approvals and conditional payments

Leading to reduced disputes, documented approvals, and simplified compliance during GC audits.

Best practices for secure, accurate invoicing

Operational recommendations to reduce errors, ensure compliance, and speed collections when using the best invoice app for contractors for management.

Use standardized templates for invoices
Maintain consistent template fields for scope, line items, taxes, and payment terms to minimize disputes and improve automation reliability across projects and clients.
Verify client identity before billing
Confirm billing contacts, legal entity names, and tax IDs before sending the first invoice to reduce payment delays and support accurate bookkeeping and compliance.
Enable two-factor access for accounts
Protect financial and client data by enforcing multi-factor authentication for user logins and administrative actions within the invoicing platform.
Document retention and backup policies
Implement a written retention schedule and automated backups to meet tax, audit, and contractual obligations while ensuring recoverability of signed documents.

Common issues and frequently asked questions

Practical answers to typical questions contractors have when adopting the best invoice app for contractors for management.

Feature availability comparison: signNow and peers

A concise availability comparison of common eSignature and invoicing capabilities across major providers, with signNow listed first.

Feature signNow DocuSign Adobe Sign
ESIGN & UETA Support
Mobile Apps
API Access
HIPAA Compliance Option
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Retention and backup timelines for invoices

Suggested retention periods and backup cadence to align contractor records with common regulatory and tax needs in the United States.

Recommended retention period for contractor invoices:

Seven years is commonly recommended for tax and audit purposes.

HIPAA-related invoice record retention guidance:

Six years per HIPAA recordkeeping rules where applicable

PCI-related payment data retention timeframe:

Limit storage; retain only required items briefly

Contract and lien waiver archive period:

Match contract life and local statute of limitations

Backup frequency and offsite retention schedule:

Daily backups with offsite retention for 90 days or longer

Risks and penalties of improper invoice handling

Late payments: Cash flow shortfalls
Non-compliance fines: Regulatory penalties possible
Contract disputes: Increased legal costs
Data breaches: Exposure and remediation costs
Tax issues: Audits and penalties
Reputational harm: Loss of clients

Pricing snapshot across common plans

Representative entry-level pricing and key plan differences among signNow and other widely used electronic signature providers; actual rates vary by contract and promotions.

Plan / Feature signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting monthly price $8/mo $10/mo $14.99/mo $19/mo $15/mo
Core eSignature included Yes Yes Yes Yes Yes
API access availability Included business plans Paid plans Enterprise only Business plans Paid plans
Bulk send support Included Add-on Included Included Add-on
HIPAA-ready option Available Available Available Limited Available
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