Resources
Resource hub
Guides, webinars, articles, and events — all in one place.
Guides & tools
The Workforce Mobility Shift — First-Party Payroll Research Report
Greenshades analysis of 153M+ paychecks shows multi-state payroll exposure rose 89% from 2018 to 2025 — even as employer filing footprints shrank. Industry and corridor-level data included. Jul 2026 Check it out
Webinar
Mid-year 2026 payroll compliance webinar: watch the recording
Watch the recording of Greenshades' mid-year 2026 payroll compliance webinar, plus links to the state withholding, paid leave, and IRS updates it covers. Watch Register
Blog
Final Paycheck Laws by State (2026): Deadlines, Rules, and What Employers Get Wrong
Final paycheck laws set state-specific deadlines for employers when an employee leaves. Here's what the rules require in 2026 — by state, separation type, and workforce structure. Jun 2026 Read more
Blog
Why most payroll software can't handle construction payroll compliance
Construction payroll requires more than standard software can handle. Here's why multi-rate pay, multi-state crew compliance, and certified payroll demand a purpose-built system. May 2026 Read more
Blog
Child labor laws 2026: what employers need to know before summer hiring
Child labor laws set strict limits on hours, job duties, and age — and violations cost up to $16,035 per worker. Here's what to review before summer hiring starts. May 2026 Read more
Blog
Multi-State Compliance Has Reached a Crisis Point. Staffing Firms Feel It Most.
Half of employers have turned away a qualified candidate due to multi-state compliance. See what the 2026 FoxHire study found — and what staffing firms can do about it. Mar 2026 Read more
Blog
Multi-State Payroll in 2025: Overcoming Year-End Challenges
Learn how to manage multi-state payroll in 2025. Deadlines, W-2 updates, and compliance tips to simplify reporting across federal, state, and local rules. Sep 2025 Read more
Blog
Multi-State Payroll: Where Acumatica Payroll Ends and Greenshades Picks Up
Optimize multi-state payroll effortlessly with Greenshades and Acumatica. Discover how Greenshades enhances compliance and simplifies payroll complexities for growing businesses. May 2025 Read more
Blog
Simplify Multi-State Payroll Management
Discover how Coda Search streamlined multi-state payroll and compliance using Greenshades' Payroll & HR Platform, ensuring accuracy and efficiency during their expansion. Apr 2025 Read more
Blog
Navigating State Tax Withholding in Reciprocity Situations
Learn how Greenshades assists employers with state tax withholding in multi-state payroll situations by managing reciprocity agreements and ensuring compliance. Apr 2025 Read more
Customer story
How PRMG manages multi-state payroll tax alongside Dynamics GP
PRMG uses Greenshades alongside Dynamics GP to manage multi-state payroll tax, benefits enrollment and employee access across its national mortgage banking business. Jan 2025 Read the story
Blog
Navigating Overtime Laws by State and the Federal Overtime Law Change
Navigate complex state and federal overtime laws to ensure compliance and accurate payroll management. Learn more about multi-state overtime regulations. Nov 2024 Read more
Blog