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Engineering & Professional Services Firms: How to Switch Payroll Providers (2026)
Switching payroll providers at an engineering firm means moving year-to-date wages and taxes per employee, every pay code for prevailing wage for government projects, billable hour payroll allocation and PE license classification, the exemption records for engineers and project managers, and the retained records the law requires. BEG: $45 per employee per month inside the payroll software you already use, live in 3 to 5 days.
What has to migrate from an engineering firm
Year-to-date gross, taxes and deductions per employee so the W-2 is one form at year end; every pay code, prevailing wage for government projects, billable hour payroll allocation, PE license classification and field vs office payroll, rebuilt with the same taxability; each state's withholding and unemployment account numbers and rates; garnishment orders with balances; direct deposit authorizations; and the exemption documentation for engineers and project managers.
For every week in which Davis-Bacon covered work is performed, the contractor or subcontractor must submit a certified payroll with a signed Statement of Compliance to the contracting agency; the prime contractor is responsible for all subcontractor submissions, and certified payrolls and basic payroll records must be preserved for 3 years after all work on the prime contract is completed.
Timing the cutover
A quarter boundary is the cleanest cutover because the old provider files a final 941 for its quarter and the new one starts fresh, with no Schedule D reconciliation. Mid-quarter switches work but require the outgoing provider's tax filings to be reconciled before the first new run. Live payroll on BEG is 3 to 5 business days from signing; the migration of engineering firm pay codes is done before that first run, not after.
The rules behind this page, with sources
General information, not legal advice. Every rule below was read on the agency page linked next to it.
- For every week in which Davis-Bacon covered work is performed, the contractor or subcontractor must submit a certified payroll with a signed Statement of Compliance to the contracting agency; the prime contractor is responsible for all subcontractor submissions, and certified payrolls and basic payroll records must be preserved for 3 years after all work on the prime contract is completed. [29 CFR 5.5(a)(3)]
Read the full guide to how to switch payroll providers, and the rest of the engineering firm payroll library.
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Frequently Asked Questions
When is the best time for an engineering firm to switch payroll providers?
At a quarter boundary, ideally January 1 so the W-2 year is clean. Mid-quarter is workable with a reconciliation of the outgoing provider's deposits and filings first.
What engineering firm data is most often lost in a switch?
The pay code configuration for prevailing wage for government projects and billable hour payroll allocation and the exemption records for engineers and project managers. Year-to-date figures usually move; the industry-specific setup is what gets rebuilt wrong.
What does managed payroll cost for an engineering firm?
$45 per employee per month, all-inclusive, inside the payroll software you already use, with no monthly minimum. Prevailing wage for government projects, billable hour payroll allocation and PE license classification are configured at setup, not billed as add-ons.
Related Resources
Anthony leads payroll solutions at Business Executive Group, a national managed payroll firm serving businesses across industries including Engineering & Professional Services Firms. BEG manages payroll at $45 PEPM, all-inclusive, with deep expertise in compliance, multi-state filing, and industry-specific payroll requirements. Get instant pricing at beghr.com.
Authoritative source: U.S. Department of Labor: Wage and Hour Division
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