Thirty years of experience. Millions of payslips.
Zero tax errors.
SM3 is the reference for Luxembourg payroll. Proven by professionals who cannot afford mistakes.
Over
Years in business
Over
Client companies
Over
payslips produced monthly
Our Solutions
SM3
The standard. Simplicity. A proven system.
- — Validated calculations since 1995
- — CCSS compliance guaranteed
- — Dedicated technical support
- — Continuous legal updates
- — Secure local hosting
SM3 Payslip Sender
A simple and robust solution to securely transmit payslips to employees.
- — Process salaries in SM3
- — Send payslips with SM3 Payslip Sender
« Payroll is not a technology issue.
It is a responsibility issue. »
An underpaid employee. An erroneous CCSS declaration. A tax audit revealing anomalies.
Our clients do not take these risks. SM3 is the result of thirty years of attention to detail.
We do not sell software. We sell peace of mind.
Main Features of SM3
SM3 manages all employee information within the company.
- — Employee ID
- — Personal information
- — Professional status
- — Contract type
- — Salary history
- — Multi-company management
This centralized management enables precise HR tracking.
The SM3 calculation engine handles:
- — Gross salary
- — Social contributions
- — Taxes
- — Deductions
- — Bonuses and allowances
- — Net salary calculation
Calculation relies on configurable rules to adapt to each company’s needs.
SM3 automatically manages social security contributions:
- — CCSS
- — Health insurance
- — Pension
- — Dependency insurance
- — Other mandatory contributions
The system calculates and splits employer/employee contributions.
SM3 automatically generates all payroll-related documents:
- — Individual payslips
- — Monthly payroll reports
- — Payroll journals
- — Social charge summaries
Documents can be archived and exported for accounting or administrative declarations.
The system manages different payroll periods and associated operations:
- — Monthly payroll
- — Exceptional payroll
- — Payroll corrections
- — Regularizations
Each payroll period is archived to ensure traceability of operations.
SM3 offers several reports to track company personnel activity:
- — Salary journal
- — Social contribution statement
- — Charge summary
- — Salary statistics
These reports facilitate administrative and accounting management.
All operations in the system are archived. This includes:
- — Salary data modifications
- — Payroll calculations
- — Corrections made
- — Processed payroll periods
This traceability ensures transparency and reliability of processing.
With SM3, your payslip has never been easier to understand
Get in touch
Need a demo? Have a question? Reply within 24 hours.