One-stop Automatic Payroll Calculation System

The one-stop system integrates the employee P-file, rostering, attendance and leave data to process payroll.

The AI payroll calculation engine collects data from the system and accurately calculates the payroll based on the customised rules.

Automatically generate documents of Autopay, MPF, payslips, and tax returns etc.

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Over 2,000 companies are using Workstem

Premier Deadsea




ASA Tiles


Platinum Guild



Whole Win



William Cheng & Son

Momo Casting


Aquarius Beauty

Baker Talent

Kabo Burger


The Cakery

Fair Consulting



Pizza Maru














Shakujii-koen Limited


New World Mart

Blue Bottle Coffee


Ruby Tuesday


Tai Pan


Fung Group
  • Onboarding

  • Time & Attendance

  • Leave

  • Reimbursement

  • Payroll Calculation

  • Salary Analysis

  • System Integrations


  • Speed Onboarding
  • Digitalised Documents

The system can perform batch upload of employee data following personalised settings such as company departments, positions, clock in/out locations and attendance rules. The Cloud stores data including but not limited to the basic employee information, credentials, contracts and salary information. Changes in employee positions, departments and salaries will activate the payroll calculation engine to collect accurate data. Automatic reminders on first-time MPF contributions for new employees.

Time & Attendance

  • Timely and Intelligent Attendance Scheduling
  • Multiple Clock in/out Methods
  • Automatic Statistical Analysis of Attendance Data

The system has built-in templates for regular day, afternoon and night shifts, while also supporting customisation, which provides flexibility even when performing duties at various locations or multiple shifts, enabling users to update attendance efficiently. GPS, Bluetooth, Facial Recognition and QR code allow employees to do self-reporting and apply for changing shifts, substitution and overtime work. The system can seamlessly count attendance data of normal work, overtime work, leave application and absence. After data collection, the payroll calculation engine can automatically determine the attendance bonus and deductions for lateness and absence.


  • Self Editing Leave Policies
  • Complying with the Law in Hong Kong
  • Real-time Changes of Leave Balance

The system has built-in common leave types, including annual leave, paid and unpaid leave, and supports the complex approval process of other types of leaves. It also provides automatic updates of public holidays. Supervisors can easily apply for and approve leave through the HR mobile app, while the system will automatically adjust the leave balance accordingly. The leave-related data is directly linked to the payroll calculation engine for the automatic determines applicable annual leave, statutory leave pay, and sickness allowance, etc.


  • Customisable Expense and Approval Process
  • Enterprise Level of Customisation

The system incorporates flexible settings of reimbursement types and approval processes. Through the HR Mobile App, employees can submit applications and upload the claim receipts, whilst supervisors can approve instantly. The payroll calculation engine automatically totals the approved reimbursement forms of each employee for reporting the claim amount on their payslips.

Payroll Calculation

  • Auto Capture Payroll Data
  • In Compliance with Business Regulations
  • Auto Generate Payroll Data

The system has a built-in AI calculation engine that customises corporate pay items deploying simple Excel formulas, complying with corporate attendance, leave and salary regulations. The payroll engine automatically collects data on employee attendance and leaves to calculate the following items:

  • Attendance Bonus
  • Sales Commissions
  • Annual Leave Pay
  • Statutory Holiday Pay
  • 4/5 Sickness Allowance
  • Long Service Payment
  • Payment in lieu of Notice

Automatically generate electronic payslips and deliver them to the HR Mobile App for employees reviews. Easy export of MPF remittance statements and electronic tax filing documents such as IR56B, E, F, G, M, etc.

Salary Analysis

  • Visualisation of Salary Analysis Charts

The system helps businesses to lower the cost of HR and better budget planning by analysing the salary structure of employees in different positions and salary data.

System Integrations

  • Integration of Third-party Systems
  • Facilitate Digital Transformation

The system supports security and privacy protection utilising our API interface for business information and data exchange with banks, MPF, tax, accounting, SSO system, and Google Sheets.

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Customer Success Story

Regulation 418|Do Part-time Workers Have Paid Leave?

“Continuous Contract of Employment” (Regulation 418)...

How paid annual leave should be calculated?

365 days a year that we all clearly know, employee does need time off, but not happy with only a weekend. How we can motivate their efficiency by offering them Annual Leave and Statutory/Public Leave together, to enjoy a long vacation to recharge to back to work...



Workstem is so convenient! Hargreaves used Excel to calculate payroll before, but now uses Workstem, which…


Shakujii-koen Limited

Workstem supports one-click application/approval on mobile App, which is convenient and fast. It also…



The overall function of Workstem is great! Whether it is approval process, attendance, leave or payroll…



Workstem is one of the best HR systems! The flexible leave policies help Gusto solve management problems…

Tenny Hui

Six People Map

After using Workstem digital platform, SPM can store unlimited company and employee data in the system. Whether it is the employer or HR, can log in to the system to view information anytime and anywhere. Six People Map (SPM) is a professional company...

Eric Leung

Gi Group

Before Gi Group used Workstem, it could take a few days for us to provide payslips to our clients. We are now able to search information in real-time with Workstem’s cutting-edge technology solutions. We can provide an even better service to our customers now…

Iris Wong


“We have many Workstem projects going on..!” We’re amazed at how quickly our business has grown since we joined Workstem partner program. In addition to numerous business referrals from Workstem, we have been using Workstem’s powerful system to…

Ada Lam


We joined Workstem’s partner program in October 2020, and the two teams support each other in technology and business development. After just 3-month of cooperation, CLG has experienced an increase of work efficiency…