QuickBooks Online is the most powerful bookkeeping tool available for contractors — but only when it’s set up correctly. A default QuickBooks setup is designed for a generic small business, not a project-based contractor. Without the right Chart of Accounts, job costing activation, and contractor-specific configuration, you’ll have a system that tracks transactions but doesn’t give you the financial insights that matter most: job profitability, overhead rates, and accurate tax deductions. This step-by-step guide walks you through setting up QuickBooks for a contracting business the right way.
Step 1: Choose the Right QuickBooks Plan
Not all QuickBooks Online plans include the job costing feature. For contractors, the minimum plan is QuickBooks Online Plus (which includes Projects for job costing) or the QuickBooks Contractor plan (built on Plus). Simple Start and Essentials do not include Projects and are not suitable for contractors who need project profitability tracking. QuickBooks Online Advanced includes additional features like batch invoicing, workflow automation, and more robust reporting — useful for larger operations. If you have employees, add QuickBooks Payroll to your plan for fully integrated California-compliant payroll processing.
Step 2: Company Settings and Business Information
In QuickBooks Settings > Account and Settings, configure: Company Name (your legal business name, not a DBA), Industry (select “Construction” for contractor-optimized defaults), Tax Form (Schedule C for sole proprietors/LLCs, Form 1120-S for S-Corps, Form 1065 for partnerships), First Month of Fiscal Year (January for most businesses), and your CSLB license number in the company notes. Turn on the following advanced settings: Projects (for job costing), Classes (optional but useful for tracking by location or project manager if you have multiple crews), Locations (optional for multi-site operations), and Automatic Payment Reminders.
Step 3: Set Up Your Chart of Accounts
The Chart of Accounts is the organizational backbone of your QuickBooks system. Delete or archive the generic accounts that don’t apply to your business and create a contractor-specific structure. Under Income, create separate accounts for Residential Labor Income, Commercial Labor Income, Material Sales (if applicable), Service and Repair Income, and any specialty revenue streams. Under Cost of Goods Sold (direct job costs), create: Direct Labor — Field Employees, Materials and Supplies — Job Specific, Subcontractor Costs, Equipment Rental — Job Specific, Permit Fees and Inspections, and Job-Specific Disposal/Cleanup. Under Operating Expenses (overhead), create categories for each overhead cost type: Insurance (liability, workers’ comp, auto separately), Vehicle Expenses, Owner’s Salary/Compensation, Bookkeeping and Accounting, Marketing and Advertising, Tools and Small Equipment, Professional Development, Software Subscriptions, and Office Expenses. A well-organized Chart of Accounts makes every financial report more useful and makes tax preparation faster and more accurate.
Step 4: Activate and Configure Projects (Job Costing)
Go to Settings > Account and Settings > Advanced > Projects and turn it on. Now for every new job or project, create a Project in QuickBooks (go to Projects > New Project). Name it clearly — “Smith Kitchen Remodel 2025” or “ABC Corp Office TI March 2025.” Set the billing method and estimated revenue if you want budget tracking. Going forward, every invoice, expense, bill, and time entry should be assigned to the correct Project. This is the action that activates job costing — the quality of your job cost data is directly proportional to how consistently you assign transactions to projects.
Step 5: Connect Your Bank Accounts
Connect your business checking account and business credit card(s) to QuickBooks via the bank feed (Banking > Add Account). QuickBooks imports transactions daily and uses machine learning to suggest categories based on prior entries. Review imported transactions at least weekly: confirm the correct category for each transaction, assign job-related expenses to the correct Project, and flag any unusual or unrecognized transactions for investigation. Clean, daily bank feed management keeps your books current continuously — rather than the monthly data-entry marathon that results from neglecting the bank feed.
Step 6: Set Up Customers and Vendors
In QuickBooks, create a Customer profile for each client you bill. Include their address, email (for invoice delivery), and payment terms. For Vendors (suppliers and subcontractors), create a Vendor profile for each. For subcontractors who will receive 1099s, check the “Track payments for 1099” box in their vendor profile and store their W-9 information (Tax ID, entity type). For regular material suppliers, add the account number and contact information. Proper Customer and Vendor setup makes invoicing, bill entry, and year-end 1099 preparation automatic.
Step 7: Set Up Products and Services
Create Service items in QuickBooks for the types of work you invoice for: labor by trade, materials (if charged separately), service calls, mobilization fees, etc. Each service item maps to an income account (directing the revenue to the right category on your P&L) and has a default description for invoices. Setting up service items correctly makes invoicing faster and ensures income is always categorized to the right account.
Step 8: Configure Custom Reports
Save these reports as custom reports for regular use: Profit & Loss by Month (compared to prior year), Project Profitability (all projects, sorted by margin %), Accounts Receivable Aging Summary, Budget vs. Actuals (once you’ve set a budget), and 1099 Transaction Detail (for year-end). Set up scheduled email delivery of your monthly P&L to your email address — keeping it front of mind without manual effort.
Frequently Asked Questions
How long does it take to set up QuickBooks for a contractor?
A basic setup takes 2–4 hours for someone who knows what they’re doing. Setting it up correctly from scratch — with a contractor-specific Chart of Accounts, proper Projects configuration, bank feeds, payroll, and customer/vendor setup — takes a certified QuickBooks ProAdvisor 3–6 hours. The investment in proper setup is paid back many times over in the quality of data and insights you get from the system going forward.
For more information, see our guide on comparing bookkeeping software options.
For more information, see our guide on job costing in QuickBooks.
For more information, see our guide on bank reconciliation.
For more information, see our guide on signs you need a professional bookkeeper.
Bookkeeping Champs Sets Up QuickBooks for Contractors
Bookkeeping Champs sets up QuickBooks Online correctly for contracting businesses throughout Los Angeles, Ventura County, and the San Fernando Valley. As certified QuickBooks ProAdvisors who specialize in contractors, we know exactly how to configure the system for maximum value. Call (818) 679-4451 to get started today.
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