7 Best Invoicing Software for Contractors (2026)

Contractors cannot rely on generic invoicing tools that were built for a different business model. The best invoicing solutions for this industry understand your clients, your workflows, and your specific revenue model.

Here are the seven best invoicing platforms for contractors in 2026.

The 7 Best Invoicing Tools for Contractors

1. SchedulingKit — Best All-in-One (No Separate Invoicing Tool Needed)

SchedulingKit includes invoicing capabilities built into its scheduling platform. Instead of paying for a separate invoicing tool and then struggling to integrate it with your booking system, you get everything in one platform.

For contractors, this means your invoicing data is automatically connected to your appointments, client profiles, and communication history. No integration setup, no duplicate data, no monthly add-on costs.

Pricing: Free plan with basic invoicing features. Full capabilities from $12/user/month. See pricing.

2. Jobber — Best for small contractor invoicing

Jobber provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: From $39/month

3. QuickBooks — Best for full accounting integration

QuickBooks provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: From $30/month

4. FreshBooks — Best for simple invoicing

FreshBooks provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: From $17/month

5. Invoice Ninja — Best free open-source option

Invoice Ninja provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: Free/$10/month

6. ServiceTitan — Best for enterprise operations

ServiceTitan provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: Custom pricing

7. Buildertrend — Best for construction progress billing

Buildertrend provides invoicing capabilities tailored for contractors. The platform addresses the specific workflow requirements and pain points that generic tools overlook in this industry.

Pricing: Custom pricing

How to Choose the Right Invoicing Tool for Contractors

1. Do you already have scheduling software? If your scheduler includes invoicing (like SchedulingKit does), you may not need a separate tool.
2. What is your practice size? Solo practitioners have different needs than multi-location operations. Choose accordingly.
3. What integrations matter? Ensure the tool connects to your existing systems (accounting, EHR, marketing).
4. What is your budget? Factor in per-user fees that scale with your team size.

Frequently Asked Questions

What is the best free invoicing tool for contractors?

SchedulingKit includes invoicing on its free plan with basic features. For dedicated invoicing-only tools, some offer free tiers with limited capabilities.

Do I need a separate invoicing tool or will my scheduling software handle it?

Modern all-in-one platforms like SchedulingKit include invoicing alongside booking and client management. A separate tool is only necessary if you need highly specialized capabilities beyond what integrated platforms offer.

How long does it take to set up invoicing software for contractors?

Most tools can be configured in under an hour. All-in-one platforms require less setup since components are pre-integrated. Dedicated enterprise tools may require weeks of implementation.