HR Outsourcing & Payroll ManagementOutsource What Slows You Down, Keep What Drives You
Entrust the administrative management of your human resources and payroll to an expert, structured, and responsive team.
HR outsourcing helps you save time, strengthen your company’s compliance, and focus on people.
At Synergix, we handle payroll management, social insurance, and personnel administration.
Smooth outsourcing for a calmer, better-managed organization.
Your Trusted Partner Along the Way
Take the time to focus on your people — we’ll handle the rest.
At Synergix, we manage payroll, social insurance, absences, and all HR administrative tasks for you, with precision and responsiveness.
Thanks to our secure employee portal, you can access payslips, salary certificates, and your team’s personal data anytime, anywhere.
Smooth, reliable, and compliant HR management — for greater peace of mind every day.
We Handle All Your HR Administration
Payroll
Management
We ensure comprehensive, compliant, and secure payroll management, taking into account Swiss and cantonal specificities. From monthly calculations to annual filings, including submissions via Swissdec, every step is handled with precision.
What we cover:
- Monthly processing
- Salary calculation and verification
- Integration of variables (hours, absences, bonuses)
- Social security contributions: AVS, LPP, LAA, LAAC, IJM, withholding tax
- Allowances: family, maternity/paternity, IJM, sickness, accident
- Declarations via Swissdec and according to cantonal requirements
- HR movements management: onboarding, offboarding, changes
- Payslips accessible through a secure portal
Annual obligations:
- Cantonal declarations (withholding tax, AVS, LAA, LPP, etc.)
- Communication via Swissdec to the Federal Statistical Office and other authorities
HR
Administration
We provide full management of your HR administration — from company registration and social insurance to the individual follow-up of each employee.
Our areas of expertise:
- Administrative HR management
- Notifications to authorities
- Work permits (applications & renewals)
- Social insurance contracts & coordination with brokers
- Individual administrative follow-up
- Pension plans & social insurance
- Analysis of LPP, LAA, LAAC, IJM coverage
- Gross-up calculations & salary projections
- Declarations and follow-up of allowances (family benefits, IJM, APG, etc.)
- Audits & compliance obligations
- Monitoring of representation expenses
- Support during inspections (AVS, OCIRT, etc.)
Employee
Portal
Give your employees simple and secure access to their HR documents and tasks.
Our online employee portal enables smooth, centralised management of personal data while reducing your company’s administrative workload.
Key features of the portal:
- Access to payslips and salary certificates
- Personalised HR task manager
- Absence management (leave, sickness, etc.)
Consultants &
Independents
Do you work with consultants, freelancers, or independent contractors in Switzerland and/or internationally?
Synergix supports you with the accounting, tax, and HR management related to these external profiles. We handle the administrative and regulatory specifics, so you can stay focused on your core business.
Our services for consultants and freelancers include:
- Importing service provisions from abroad
- Managing Anobag cases (subject to social security without a Swiss employer)
- Declarations related to acquisition tax
- VAT self-declarations for cross-border services
- Accounting and payroll processing in multiple currencies
Absence Management
Save time and gain clarity in tracking absences across your company.
Our solution offers simple, centralised, and collaborative management fully integrated with your HR ecosystem.
Features of the absence management tool:
- Tracking of planned absences (leave, holidays)
- Tracking of absences due to sickness or accidents
- Case management with HR/insurance collaboration
- Differentiated access for employees and managers
Reporting
Access all your HR documents and payroll data in just a few clicks.
Our system provides you with reliable, ready-to-use reports for comprehensive administrative, accounting, and tax tracking.
Available documents and reports:
- Monthly payslips
- Automatic generation of accounting entries
- Individual and cumulative payroll journals
- Withholding tax reports by period and by employee
- Payroll payment file (PAIN/ISO 20022)
- Annual salary certificates
Employee Entry
& Exit
We support you at every stage of the employee lifecycle — from onboarding to offboarding — ensuring smooth, compliant, and thorough HR management.
What we handle:
- AVS registration and adjustment of payroll-related provisions
- LPP registration and employee enrolment
- Withholding tax registration
- HR administration: family allowances, permits, employment contracts
- Preparation of employment certificates
- Final balance follow-up (holidays, bonuses, 13th salary, etc.)
- Issuance of unemployment attestations
Presentation of the Swiss System
Understanding how the Swiss system works is essential for properly integrating your employees and ensuring compliance in your HR management.
Synergix guides you through the explanation and practical application of key employment obligations in Switzerland.
Key elements of the Swiss system:
- Work and residence permits: types, duration, renewals
- Withholding tax: liability, cantonal rates, employer obligations
- Pension system: 1st pillar (AVS), 2nd pillar (LPP), coordination
- Social insurances: LAA, LAAC, IJM, APG, sickness, accident
- Maternity & paternity leave: duration, conditions, compensation
- Family allowances: application, eligibility criteria, administrative follow-up
Kind Words
“Our company kept growing and we wasted too much time with our administrative management. Therefore, we wanted an experienced company able to understand our business and bring a real benefit because we needed more time to focus on our core business. Synergix has become a trusted advisor for our company. They have always understood and matched our needs as they successfully adapt to our organization.”
Co-Founder & Chief Innovation Officer (Company based in Geneva)
Get
In Touch
For further information about Synergix and our services please contact us using this form.