HR Services


Do you want to outsource the management of your payroll system? Contact us for expert advice. We offer you scalable and flexible outsourcing solutions, depending on your specific objectives and needs. We then manage your payroll system for you.

Key figures
years of experience
calculated salaries per month
companies under HR management

Your benefits

What are the advantages of entrusting your payroll to us?

  • Saving of time
  • Administrative performance and cost control
  • High quality service to employees
  • Legal framework
  • Easier communication

Our strengths

Why should you trust us?

  • Competence and experience
  • Sustainability
  • High compliance level
  • Confidentiality and security
  • Proximity

Support & Tools

Combining experience and technology

  • Customer Services Center
  • Business experts
  • Availability
  • Web platform
  • App MyTrianon



Managing your payroll and HR administration involves constraints and expertise. With our outsourcing solutions, we provide you with flexible and advanced services to help you to achieve your goals! Rely on us. We manage the different activities related to payroll such as:

  • Payroll outsourcing: salary and payment
  • Provision of salary slips and certificates
  • Statistics and legal reports
  • Advice to the company and employees

Rely on us for the administrative management of your HR:

  • Pension benefits
  • Compensation Fund
  • Family allowances
  • Withholding Taxes

Our expertise allows you to concentrate on your core business.


We provide you with efficient and innovative tools. We are able to interface with several types of systems: SAP, Oracle, Workday, etc. Also discover our communication solutions developed in-house and hosted in Switzerland.

Technologies Image
Technologies Image

Partners and attestations


Trianon is pleased to announce its partnership with Adequasys. Adequasys is a publisher of human resources management solutions (Adequasys HRMS) and has been helping companies to digitalise their HR processes for 21 years. The association of Trianon with Adequasys' Human Resources Management Solution (HRMS) allows the client to have the assurance of a global solution between its HRMS and the outsourcing of its salaries or benefits. The standard interface between our two systems allows better data governance and easier implementation for our clients, thus reducing their costs. 


With our partner Cloudpay, you benefit from a comprehensive payroll solution with a remarkable simplification of your processes. Centralised monitoring of personnel expense can be enacted in a few clicks, helping you make strategic decisions.

Certification ISAE
ISAE certification

Trianon complies with the international standard ISAE 3402 which certifies, on an annual basis, the existence and effectiveness of internal control processes related to the services provided to its clients.
ISAE 3402 Type II Payroll Outsourcing Services
ISAE 3402 Type II Benefits Administration Outsourcing
ISAE 3402 Type II Information Security

Certification Swissdec
Swissdec certification

Trianon is pleased to inform you that its salary management software TrianonHR has obtained the official certification of the Swissdec 4.0 standard.

Partners and attestations