PAYROLL & WORKFORCE OPTIMIZATION SOFTWARE

Turn Workforce Complexity Into a Competitive Advantage

Greenshades is purpose-built for multi-state payroll, complex pay rules, and the industries that demand more — with built-in tax compliance, deep integrations, and the workforce intelligence to move from running payroll to running strategy.

Trusted by 4,000+ companies

Case Study →

New State Onboarded

Florida — tax, compliance, and payroll live

14 states active

Payroll Complete

$892,450 across 4 pay schedules

248 / 248 employees paid

Tax Filing Ready

Multi-state withholdings calculated

14 / 14 jurisdictions filed

Overtime Resolved

Blended OT rates across 3 departments

$12,840 calculated

Warnings Requiring Your Attention

Critical: 3 work locations in FL and TX do not have a full address.

Critical: The current unemployment wage base for FL is entered as $5,500.00 but should be $7,000.00

Moderate: 6 employees are not assigned to any pay schedule.

Moderate: 4 employees are missing their hire date.

Critical: 2 recently added employees share a duplicate SSN.

Past Due Invoice: 3 invoices totaling $4,812.00 are past due.

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Critical: Employee ID EMP-0184 has an invalid SSN.

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Critical: GA Withholding info incomplete for tax filings.

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View All

Year End Forms

Tax year:

Forms	Number	% Issued	Due	Expiration
W-2	W-2	100%	Due 01/31/2026	December 31, 2025
1095-C	1095-C	98%	Due 03/02/2026	December 31, 2025
1099-NEC	1099-NEC	85%	Due 01/31/2026	December 31, 2025
1099-MISC	1099-MISC	0%	Due 02/28/2026	December 31, 2025

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New State Onboarded

Just now

Florida registered — tax, compliance, and payroll

14 states active

Payroll Complete

2m ago

$892,450 across 4 pay schedules

248 / 248 employees paid

Tax Filing Ready

Today, 9:41 AM

Multi-state withholdings calculated automatically

14 / 14 jurisdictions filed

Overtime Resolved

Yesterday

Blended OT rates applied across 3 departments

$12,840 calculated

Our Platform

Payroll Runs Better When Everything's Connected

Tax compliance, HR, benefits, and time — in one platform. No patchwork. No re-keying. No surprises on filing day.

Payroll

Run payroll across multiple states, locations, and pay structures — without the spreadsheets and cleanup that follow every cycle.

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Human Resources

Onboard faster, manage employee records, and keep HR data in sync with payroll so nothing falls through the cracks.

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Tax & Compliance

Stay ahead of payroll tax filing deadlines and regulation changes with automated calculations and audit-ready reporting.

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Benefits Administration

Simplify benefits with a clear self-service experience, where enrollment data flows directly into payroll.

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Time & Labor

Track hours across locations and schedules, with time data feeding into payroll automatically — no re-entry needed.

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Employee Self-Service

Give employees a single dashboard to access pay stubs, benefits, time-off requests, and HR resources in one place.

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Integrations

Your ERP. Your Data. Connected.

Greenshades connects to the ERP, staffing, and financial systems your teams already run on — plus leverage our open API to integrate with anything else.

Microsoft Dynamics Legacy

GP · NAV · AX · SL

20+ years of native integration. Greenshades pulls data directly from your Dynamics system for payroll, tax, and compliance — with bi-directional GL posting and no forced migration.

Bi-directional GL sync GP sunset-ready

Dynamics 365

Business Central & D365 Finance

Bi-directional integration automatically updates D365 after payroll posts. Employees, projects, and financial data flow freely — no scripts to manage.

Auto GL posting Multi-state

Bullhorn

Staffing CRM & ATS

360° bi-directional integration. Candidate data flows from Bullhorn into Greenshades for payroll and tax — with automatic tax code assignment when work locations change.

360° data flow Multi-jurisdiction

Avionte

Staffing CRM · ATS · Financial

Extend Avionte's CRM, applicant tracking, and financial platform with Greenshades payroll tax compliance management for full-cycle staffing operations.

Full-cycle staffing Tax compliance

Sage Intacct

Cloud Financial Management

Pulls GL accounts from Sage Intacct and automatically posts journal entries after payroll. Dimension-powered data tags flow between systems for precise cost tracking.

Auto GL posting Multi-state

Acumatica

Cloud ERP

Unified HR and tax on top of Acumatica's cloud ERP. Simplify HR processes and ensure payroll compliance at every level out of the box.

Cloud-native Tax filing

Don't see your system? Greenshades connects to additional platforms — and our lets you build a custom integration with any software.

Build the Exact Integration You Need

The Greenshades API gives your development team programmatic access to employee records, payroll operations, benefits and deductions, organizational data, and reporting — authenticated via OAuth 2.0 Client Credentials.

Full employee lifecycle — create, read, update, bulk-manage, plus contacts, dependents, and custom fields
Payroll operations — pay runs, earnings, pay schedules, cost reports, and benefit/deduction detail reports
Organizational data — departments, positions, work locations, employee classes, and settlements
Versioned & documented — full API reference, recipes, changelog, and multi-language code samples

Explore the Developer Docs

// OAuth 2.0 — get access token
const auth = await fetch(
  'https://api.greenshadesonline.com/token',
  { method: 'POST',
    body: `grant_type=client_credentials`
  }
);

// Fetch employees for a workspace
const res = await fetch(
  `https://api.greenshadesonline.com/
   employees`,
  { headers: {
      'Authorization': `Bearer ${token}`
    }
  }
);

/employees /payruns /earnings /departments /positions /worklocations /payschedules

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PAYROLL & WORKFORCE OPTIMIZATION SOFTWARE

Turn Workforce Complexity Into a Competitive Advantage

Payroll Runs Better When Everything's Connected

Payroll

Human Resources

Tax & Compliance

Benefits Administration

Time & Labor

Employee Self-Service

Your ERP. Your Data. Connected.

Microsoft Dynamics Legacy

Dynamics 365

Bullhorn

Avionte

Sage Intacct

Acumatica

Build the Exact Integration You Need

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