How Contractors Should Track Materials and Subcontractors in QuickBooks

1. Separate the type of cost from the job

Your chart of accounts answers what the money was spent on; customer or project tracking can help answer where it was spent. Keeping those concepts separate prevents the chart of accounts from becoming a list of job names. A material purchase can stay in a materials category while the customer or project field identifies the related work.

2. Use consistent categories for materials

Choose a small number of categories that match how you actually run the business. For many contractors, a practical setup may distinguish materials and supplies from equipment, rentals, permits, fuel, and subcontractors. Avoid creating a new account every time a supplier or job changes.

3. Record subcontractor payments to the correct vendor

Use the actual subcontractor as the payee whenever possible. That improves vendor-level review and reduces the number of mystery payments at year-end. Maintain supporting vendor information outside the transaction itself as appropriate, and coordinate any information-return requirements with your tax professional.

4. Be careful with credit-card feeds

A large amount of contractor spending runs through credit cards. The expense should be recorded when the card transaction occurs; the later payment from checking generally clears the credit-card balance rather than creating another expense. Duplicate recording is a common reason material and subcontractor costs become overstated.

5. Use Projects only when the workflow supports it

If your QuickBooks Online subscription and bookkeeping process support Projects, project tracking can help group income and selected costs for a job. It works best when the team uses customer and project names consistently. It is not a substitute for formal construction WIP or percentage-of-completion accounting.

6. Review job-related coding before month-end

Do not wait until December to identify which purchases belonged to which jobs. Resolve unclear supplier charges, shared purchases, and uncategorized transactions while the work is still recent. A short monthly review is far easier than rebuilding job activity from old receipts.

7. Keep the process realistic for the field

A bookkeeping system only works if the owner and team can follow it. If requiring a project selection on every $12 purchase causes the process to break down, simplify the rule. Focus detailed tracking on the costs that materially affect decisions and keep the core books reconciled first.

Frequently asked questions

Should every material purchase be assigned to a project?

Not necessarily. The right level of detail depends on the business, the size of purchases, and how the owner uses job reporting. Consistency matters more than capturing tiny details that nobody reviews.

Should subcontractors have their own expense accounts?

Usually the payee or vendor identifies the subcontractor, while the account identifies the type of cost. Creating a separate general-ledger account for every subcontractor can make the chart of accounts unnecessarily large.

Can QuickBooks Projects replace construction accounting software?

For some small contractors, Projects can provide useful job-level organization. Businesses that require formal WIP schedules, retainage accounting, percentage-of-completion reporting, bonding reports, or other specialized construction accounting may need a more advanced system or specialist.

This guide provides general bookkeeping information. Plutus Bookkeeping LLC provides bookkeeping services only and does not provide tax-return preparation, tax advice, legal advice, payroll compliance advice, or specialized construction accounting.