Horizon HR modernization program with leadership and engineering team

Horizon HR — Workforce, Payroll & Compliance Modernization

Automating payroll accuracy, strengthening compliance, and accelerating distributed workforce operations with secure, cloud-native engineering.

Overview

Horizon HR supports payroll, compliance, and HR operations for more than 40,000 employees across multiple U.S. states. Growth in distributed teams and rapidly changing state-by-state regulations created payroll inconsistencies, compliance exposure, and operational slowdowns.

Codexium partnered with Horizon HR to modernize their HR and payroll systems through automation, API-driven workflows, and improved data governance—enabling real-time operations and dramatically reducing manual intervention.

Client Details

  • Industry: Human Resources & Payroll Management
  • Employees Managed: 40,000+
  • Regions: Nationwide (U.S.)
  • Core Functions: Payroll, Benefits, Compliance

Challenges

Inconsistent Payroll Accuracy

Fragmented data sources and regional regulatory differences caused discrepancies in multi-state payroll calculations.

High Compliance Exposure

Manual compliance audits slowed response times and increased risk of missed filings during regulatory updates.

Delayed Onboarding

Legacy provisioning workflows created onboarding delays for new employees and contractors.

Lack of Real-Time Visibility

Executives lacked real-time dashboards for compliance, payroll readiness, and workforce trends.

Distributed HR and payroll operations overview

Codexium’s Solution & Measured Impact

Payroll Automation, Multi-State Compliance & HR Modernization

Codexium implemented a unified, modernized HR and payroll platform built on secure cloud infrastructure, automated compliance, and real-time data pipelines. The solution eliminated manual steps, reduced errors, and enabled leadership to access accurate, up-to-the-minute workforce insights.

Unified Payroll Engine

Real-time validation and consolidated rules improved accuracy across all states.

Automated Compliance

Policy updates, filings, and alerts now trigger automatically through event-driven logic.

API-Driven Integrations

Seamless connectivity across HRIS, payroll vendors, and benefits systems.

IAM & Access Automation

Role-based onboarding workflows reduced provisioning time significantly.

25%

Faster Payroll Processing

38%

Reduction in Compliance Effort

Codexium DevShop team collaborating on HR modernization roadmap
High-level HR modernization roadmap and delivery phases

Results

  • Consistent multi-state payroll accuracy through automated rules and validation.
  • Faster onboarding via identity automation and integrated workflows.
  • Enhanced compliance posture with centralized reporting and automated alerts.
  • Real-time visibility across workforce and payroll readiness for executives and HR operations.
View of Horizon HR leadership reviewing analytics dashboard

Future Roadmap

With a unified, modernized HR platform, Horizon HR is positioned to expand into additional states, integrate with emerging HRIS platforms, automate benefits administration, and adopt workforce analytics for predictive planning.

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