Finally, Small Business Bookkeeping and Estimation Software Built for Contractors Who Refuse to Rent Their Operations
BizBookWise is a resource hub and software shop for electrical contractors, HVAC technicians, plumbers, and independent field service business owners. Our tools are built for one-time ownership: no monthly fees, and your data stays in your browser on your own device.
Start with the free calculators below to set your hourly rate, check your markup against your margin, and compare employee and subcontractor costs. When you’re ready for more, the Bid Pro Suite handles estimates, the Professional Invoicing and Client Billing Suite handles client billing, and the Milestone Cash Flow Suite plans deposits and project payments. Each is a one-time purchase with no subscription.
Free Trade Calculators
No account needed, no email capture—just enter your numbers and get your answers.
Contractor Hourly Rate Calculator
Calculate your billable hourly rate based on true overhead, desired take-home compensation, and unbillable downtime. This free contract hourly rate calculator ensures independent trade professionals factor in non-billable gaps to maintain profitability on every job.
Contractor Markup vs. Margin Calculator
A two-way pricing utility to ensure adding markup to labor and materials actually delivers the gross profit margin you planned. Quickly calculate your exact job margin to protect your bottom line and eliminate pricing errors before submitting a project bid.
Subcontractor vs. Employee Cost Calculator
Compare payroll taxes, workers’ comp, and non-billable drive time directly against flat 1099 subcontractor invoices. Easily audit your true field service accounting labor costs to protect your planned job margin before hiring outside help.
Bid Pro Suite: Professional Estimating for Contractors
Ready to upgrade from basic calculators to a complete workflow? Create instant custom estimates, auto-brand every document with your company name, and keep your sensitive financial numbers 100% private with secure browser-side local storage.
Price shown before any applicable sales tax or VAT, which is calculated at checkout.
Professional Invoicing and Client Billing Suite
Streamline your client billing with category-based line items, automatic subtotals, dynamic display mode toggles, and secure browser-side storage. Present a polished, professional brand on every invoice with a local-first system built specifically for independent operators looking for a secure field service invoice software alternative.
Price shown before any applicable sales tax or VAT, which is calculated at checkout.
Milestone Cash Flow Suite
Map out project phases, track milestone-based payments, and maintain predictable cash flow across all your contracting jobs with secure browser-side storage. Built to deliver total manual control over financial reporting in a field service business, this system lets you track mobilization deposits and project cash velocity completely locally.
Price shown before any applicable sales tax or VAT, which is calculated at checkout.
Need Full-Scale Automated Accounting Instead?
BizBookWise is purpose-built for independent trade operators who want lightning-fast bidding, professional invoicing, and milestone cash flow tracking without monthly subscription bloat or cloud vendor lock-in. If you are searching for a field service software accounting integration alternative that doesn’t trap your data in the cloud, our suites give you complete manual control over your field service accounting records. However, if your operation has expanded to heavy W-2 payroll, automated bank feeds, and year-round corporate tax accounting, we recommend exploring QuickBooks Online.
Explore QuickBooks Online →Affiliate link: we may earn a commission if you sign up through it, at no extra cost to you.
Contractor Resource Hub: Licensing, Continuing Education & Legal Templates
Streamline your trade business operations with trusted partner resources for state licensing exam prep, mandatory continuing education (CE) credits, and affordable legal contracts—including independent contractor, subcontractor, LLC, and equipment rental agreements.
Operational Guides & Software Reviews
In-depth breakdowns on pricing strategies, labor structures, and software solutions.
- Why Overhead is Eating Your Margins: How Independent Operators Can Calculate and Recover Indirect Costs
- The Home-Based Overhead Trap: How Freelancers and Remote Operators Track Indirect Costs Without Job Bids
- How to Calculate Your True Billable Hourly Rate as an Independent Operator
- How to Price A Job – The Complete Guide to Markup Margin and Contingency
- The Anatomy of a Winning Contractor Bid: How to Turn Estimates Into Signed Contracts
- How to Stop Late Payments: The Contractor’s Guide to Deposit Structures, Progress Billing, and Retainage
- The Freelance Contract Guide: What Independent Operators Actually Need to Stop Scope Creep
- W-2 Employee vs. 1099 Subcontractor: Which Actually Costs Less?
- QuickBooks Online Review for Trade Contractors
- QuickBooks Online Tiers Explained: What Independent Operators Actually Need (And What to Skip)
- The Best Accounting and Invoicing Software for Field Service Businesses in 2026
About BizBookWise
BizBookWise was created to give independent trade professionals, specialty contractors, and field service business owners clean, reliable numbers and tools they can actually use. Whether you handle residential service work, specialty sub-trades, or commercial projects, we keep our guidance practical and our core tools focused on lifetime ownership and data privacy so you can price your work with confidence and protect your bottom line.
Have a question or a tool suggestion? Feel free to reach out to our team at support@bizbookwise.com.