Part 3: Project-Based Payroll and Labor Cost Allocation

If your employees are working across multiple projects, job sites, or cost centers, you already know that payroll isn’t just about cutting checks—it’s about tracking time, allocating costs, and keeping your financials clean.

And if you’re doing all of that manually? You deserve a trophy. Or at least a strong cup of coffee.

Let’s walk through how to manage project-based payroll manually—and why Integrity Data HRP makes it so much easier.

Project Based Payroll- image of data, charts, and computer

Why Project-Based Payroll Is So Complex

Project-based businesses—like construction, engineering, energy, and field services—need to know exactly how much labor is costing them per project. That means:

  • Tracking time by project and task
  • Calculating fully burdened labor costs (wages + taxes + benefits)
  • Allocating those costs to the right job ledgers
  • Syncing payroll data with your ERP or accounting system

If you’re using Microsoft Dynamics 365 Business Central (BC), you already have powerful project tracking tools. But without a payroll system that integrates with BC, you’re stuck doing a lot of manual work.

How to Handle Project-Based Payroll Manually

Here’s what your process might look like without automation:

1. Track Time by Project

Employees must log their hours against specific projects or job codes. This can be done via:

  • Paper timesheets (please don’t)
  • Spreadsheets (better, but still risky)
  • A time-tracking system (ideal, if it integrates with payroll)

Tip: Require employees to submit time daily to avoid end-of-week guesswork.

2. Calculate Labor Costs

For each project, you’ll need to calculate:

  • Regular wages
  • Overtime
  • Employer taxes (FICA, FUTA, SUTA)
  • Benefits (health, retirement, etc.)

This gives you the fully burdened labor cost—the true cost of labor per project.

Tip: Build a cost model in Excel that includes all employer-paid expenses.

3. Allocate Costs to Projects

Once you’ve calculated labor costs, you’ll need to:

  • Allocate them to the correct project codes
  • Update your job ledgers in Business Central (or another ERP)
  • Reconcile payroll data with project budgets

Tip: Use pivot tables to summarize labor costs by project and employee.

4. Report and Analyze

You’ll want to generate reports showing:

  • Labor costs per project
  • Hours worked by employee and task
  • Budget vs. actual labor spend

Tip: Set up dashboards or templates to make this easier each pay period.

Common Pitfalls (and How to Avoid Them)

  • Time entry errors: If employees log time to the wrong project, your costs are off.
  • Manual data entry: Transferring data between systems increases the risk of mistakes.
  • Delayed reporting: Without real-time data, project managers can’t make informed decisions.

Or… Let Integrity Data HRP Handle It

We built Integrity Data HRP to integrate directly with Microsoft Dynamics 365 Business Central—so you can stop juggling spreadsheets and start getting accurate, real-time labor cost data.

Here’s how we make it easy:

✅ Time tracking by project

Employees log time directly against BC projects, ensuring accurate allocation from the start.

✅ Fully burdened labor cost calculations

Our system automatically calculates wages, taxes, and benefits—no spreadsheets required.

✅ Seamless BC integration

Push labor costs back into your job ledgers in Business Central with just a few clicks.

✅ Real-time reporting

Get up-to-date insights into labor spend by project, employee, or department.

✅ No custom code needed

Configure everything within the system—no IT bottlenecks, no version lock-in.

As your projects grow in size and complexity, your payroll system should scale with you. Integrity Data HRP is designed to support project-based businesses that need precision, speed, and flexibility.

Final Thoughts

Project-based payroll isn’t just about paying people—it’s about understanding where your labor dollars are going and making sure your financials reflect reality.

Whether you’re managing one job site or dozens, Integrity Data HRP helps you track, allocate, and report labor costs with confidence.

Because for us? Project-based payroll isn’t a problem.

It’s just Tuesday.

Integrity Data HRP – Your Complete HRIS for Dynamics Including Payroll for BC

Integrity Data HRP is your complete HR, Time Management, and Payroll platform from within Dynamics GP and D365 BC. Everything works together effortlessly so you can focus on what really matters, your people.

  • Escape the piles of paper and keep everything in one digital employee file.
  • From Applicant to Retirement, you can manage Recruitment & Onboarding, Benefit Elections, Performance Reviews, Certifications & Licenses, Reports, Payroll, Time & Attendance, and much more, all in one solution.
  • Employee Self-Service Portal is included for both Business Central and GP.
  • Full-Service Tax Filing and ACA Reporting Services available as well.

Reach out today and our no-pressure solution experts will answer your questions to see if we are a good fit for your organization.

Integrity Data has been serving the Dynamics community since 1996. Our passion is to help HR and payroll professionals own their time so they can focus on helping their people. As always, your people are our priority.

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