Simplifying Your Global Payroll Processes

We Are OS HRS

The APAC Payroll Partner of Global Leaders

At OS HRS, we specialize in end-to-end managed payroll services with a strong focus on the Asia Pacific region. For over two decades, we have helped global enterprises streamline payroll operations, ensure multi-country statutory compliance, and deliver accurate, timely payroll for diverse workforces.

Our expertise covers the full payroll cycle from data collection and processing to statutory reporting giving multinational organizations a seamless, compliant, and stress-free payroll experience through one single point of contact. We proudly serve leading companies worldwide, including Fortune 500 organizations, as their trusted partner in APAC.

We are now part of Ascent HR Group, a global leader in HR Tech, Payroll and Compliance.

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years of experience

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countries served, and counting

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languages supported, and counting

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payslips processed annually

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employees of Fortune 500 companies served monthly

A Proven Track Record

A Strong Interfacing Across Leading HRMS Systems

Pioneers in multi-country payroll outsourcing solutions

Leaders in regional HR statutory compliance

Your partner in Seamless Multi-Country Payroll

1997

BREXA Holdings Inc. founded in Tokyo, Japan

2001

Symphony HRS founded in Kuala Lumpur, Malaysia

2006

Symphony HRS secures Peoplesoft regional license

2016

BREXA Holdings Inc. acquires Symphony HRS, rebranded as OS HRS

2026

Ascent HR acquires OS HRS