Software & Services
Primexis is a major partner to SMEs and mid-market companies when it comes to implementing Payroll and HRIS services. We can assist you in selecting and integrating the software best suited to your needs. We can also handle payroll and social declarations outsourcing, as well as staff administrative management.
Our team of 30 specialists are available to handle all your processes or to assist you with specific tasks, in France or abroad. You will benefit from personalized follow-up and proactive assistance to optimize your HR processes and ensure compliance with all the French regulations in effect.

Your challenges
Do you want to benefit from reliable and efficient payroll software? Do your challenges include reducing risks and guaranteeing compliance? Would you like to equip your HR team with advanced technology? Would you like to delegate all or part of your administrative tasks? Is digitalizing processes a major challenge for you?


Payroll & HRIS Software
Primexis provides, integrates, and manages a complete, innovative, and adaptable payroll and HRIS software suite. Whether you want to remain independent or outsource your management, we have the solution to best suit your needs.
As a Top 100 Silae partner, we benefit from recognized expertise and can guarantee you quality service.
Our areas of expertise
- Integrating SaaS payroll software: Silae, Silae RH, and SilaeRHPRO
- Implementing and managing HRIS (ISIRH)
- Paperless pay slips (edoc)
- Implementing and managing HR BI: Economic, Social, and Environmental Database (BDESE), Social Balance Sheet (Bilan Social), and Gender Equality Index
Payroll Outsourcing
Payroll and social declarations outsourcing allows you to focus fully on your priorities while ensuring your processes’ compliance. Our specialized teams take responsibility for these essential and strategic assignments for your company, while respecting deadlines and providing full transparency.
We continually follow legislative developments to guarantee that your payrolls remain in compliance with the French standards in effect. We pay particular attention to the confidentiality and security of your data to ensure rigorous and controlled management of it.
Our areas of expertise
- Partially or fully managing payroll processing
- Formalizing and documenting processes and procedures
- Social declarations, managing daily social security indemnities (IJSS), and managing taxes
- Monitoring legal and collective agreements
- Assistance with French social organizations’ audits
- Company BI: Gender Equality Index, Economic, Social, and Environmental Database (BDESE), Social Balance Sheet (Bilan Social), and Individual Social Report (BSI)
- Providing IFC / IDR pension reports


International Payroll
Primexis’ English-speaking teams, and specialists in international payroll, manage the French payroll of large groups and foreign company representatives (RFEs). They are responsible for all the administrative and legal processes, ensuring complete compliance with French regulations.
Our area of expertise
- Setting up administrative and legal processes: registering and declaring with French organizations: URSSAF, National Institute of Statistics (INSEE), health insurance fund (caisse d’assurance maladie), and additional pension funds
- Managing pay slips and social contribution declarations: staff administration and assistance with human resource management
- Payroll and HR reporting in English
- Worldwide payroll with our partners
Staff Administration Management
SMEs must ensure the proper management of their staff through a certain number of administrative, legal, and compulsory operations. Our teams can handle all or part of these day-to-day operations and provide you with relevant advice.
Our area of expertise
- Managing new employee processes: preboarding, contracts, and onboarding
- Monitoring deadlines, surveys, and statistical declarations
- Administrative management of trainings and medical visits
- Producing certificates and contract amendments
- On-site or remote assistance
- Operational advice on best practices

Client
Group with many companies (real estate sector) wanting to optimize its staff and HR management
Engagement objectives
We worked with the Human Resources department to optimize its payroll and staff management. We implemented a full HRIS (connected to the payroll software) to digitalize and streamline HR actions: onboarding, evaluation, interviews, trainings, etc.
Results obtained
- Improved user experience by using one HR software
- Increased productivity and simplified and centralized HR actions
- Digitalized HR department by providing modern software
Client
A newly integrated company within a pharmaceutical group
Engagement objectives
Integrate a new French company by a German group. Work with and support the French teams in their operational management of payroll. Implement a standardized organization and dedicated support team to take care of numerous administrative tasks.
Results obtained
- Stabilized payroll operations with newfound daily serenity for the French teams
- Structured exchanges, managed relationships to ensure necessary support, and dealt with structuring issues
- The client team became more available for its employees and carried out transversal HR projects
Client
Companies based in France and operating in global groups looking for English-speaking teams
Engagement objectives
Manage payroll, relations, and reporting (in English) for the Group’s French companies.
Results obtained
- Facilitated communication and improved understanding of local and global issues
- Serenity for the French teams made possible through the support provided by managing the Group’s requests
- Personalized reporting in compliance with local and global expectations
Client
Company with less than 100 employees wanting to secure its HR actions
Engagement objectives
Offer manager advice on staff management and provide him with adapted daily services by implementing simple, innovative, and intuitive digital solutions.
Results obtained
- Quality assurance: handled staff administration: preboarding, contracts, and affiliations
- Trusted partner: advised on and managed HR obligations and procedures: elections and drafting agreements
- Business support: the managing team focused on the company’s development
Client Testimonials
Discover testimonials from our clients about the services and assistance provided by Primexis’ teams
Our teams,
our skills
Primexis’ Payroll and HRIS team is specialized in managing day-to-day staff administration and payroll in French and international environments.
- A team trained in payroll techniques and constantly monitoring regulatory changes
- Vast experience in international groups and extensive knowledge of the organization of medium-sized groups in France and abroad
- Consultants at the cutting edge of technology and capable of assisting you with structuring your next HRIS
- Good command of the main tools on the market which allows us to intervene at any time to support your team


A trustworthy partner to many companies
They have placed their trust in us






Our firm offers multi-sector assistance
HR Assistance & Training
Projects & Diagnostics
HR Audit & Support
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How can we help?
A website can’t tell you everything. Contact us if you have any questions, and we would be happy to answer them.