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Services
Payroll and Social Management
Payroll and Social Management

Securing a sensitive domain with the help of specialists

Payroll and social management are more than just publishing ballots. It is a field with high legal, technical and organizational risks, which requires specialized expertise, permanent reactivity and confidentiality.

Your challenges

Payroll and social management support adapted to the complexity of your organization

French social legislation is dense, technical and constantly evolving. Your challenges are multiple. We support organizations in their social and HR challenges: regulatory compliance, securing practices, harmonizing processes...

Discuss your challenges with an expert
Confidential and personalized exchange
Securing against social risks

Avoid payroll errors, non-conformities and disputes in a particularly sensitive regulatory environment.

Managing complex regulations

Facing social legislation that is constantly changing: collective agreements, DSN, contractual obligations.

Alleviating a heavy administrative burden

Optimize time-consuming processes that require in-depth expertise and continuous updating of knowledge.

Access reliable and responsive expertise

Rely on specialists, including qualified lawyers, who are able to intervene quickly, in complete confidentiality.

Our support

Expertise amplified by the mobilization of multiple disciplines

Our 50 specialists, including 2 social law lawyers, are involved at every level of your social management, from the production of more than 25,000 ballots per month to the audit of your practices, with the same technical requirements and the same concern for confidentiality.

Benefits

What payroll and social management can do for you

Payroll & Social Management goes far beyond salary treatment: it becomes a lever for compliance, security and social harmonization.

Reducing social risks

Secure the organization through controlled compliance and standardized practices.

Optimization of HR operations

Increase efficiency through standardized, reliable and better coordinated processes.

Refocusing on added value

Free up time for HR teams to devote themselves to coaching and strategy.

Consolidated social vision

Have a clear and actionable understanding of costs, workforce, and social trends.

Benefits

Tailor-made support for flawless payroll management

In 2024, Nexia took charge of publishing 4,500 payslips for a major distribution player, saving time, compliance and peace of mind.

Health
BPO

I made the choice to outsource payroll and social management, as well as accounting, to Nexia S&A. It is very valuable.

Agnès De Leersnyder
CEO of Future4care
Our services

Our expertise at the service of your ambitions

Your business is evolving, transforming, developing. At every stage, we help you address key challenges with pragmatism and commitment.

Experts

Your contacts

Céline DOS SANTOS
Céline DOS SANTOS
Managing Director
Céline DOS SANTOS
Managing Director

Managing director at Nexia S&A, Céline Dos Santos heads the Social/Payroll division in Paris. An expert in payroll and HR consulting, she supports companies of all sizes, in particular international groups setting up in France.

Frederic PAPILLON
Frederic PAPILLON
Partner
Frederic PAPILLON
Partner

As a partner, Frédéric Papillon co-manages the Montesson office. He manages the hotel and social division and supports SMEs and hotel groups in accounting, consulting and outsourcing, with more than 25 years of experience.

Nicolas GARCIA
Nicolas GARCIA
Managing Director
Nicolas GARCIA
Managing Director

Nicolas Garcia heads the Social/Payroll division at Montesson. He supports companies of all sizes in payroll, HR and personnel administration, with experience in retail, hotel/catering and construction.

Contact

Let's discuss your challenges in concrete terms

Whether it is to structure your growth, make your data reliable or to succeed in a strategic operation, one of our partners answers you personally and without commitment.

FAQ

Do you have questions?

Here is what our customers ask us most often before starting a mission.

What types of businesses do you support?

We work mainly with ETIs, growing SMEs, family groups or subsidiaries of international players. Our teams are used to complex and multi-structured environments.

Are you present elsewhere than in Île-de-France?

We have had 5 offices located in Île-de-France and one in Lyon since the beginning of 2026, but our membership in the international Nexia network allows us to support you in more than 120 countries.

What is the Nexia international network?

Nexia is a global network of independent firms operating in more than 120 countries. We share common quality standards, which allows us to offer global support while maintaining a close relationship.

How does a first exchange take place?

An associate contacts you again to understand your challenges, without commitment. We analyze your needs in order to offer personalized support.

What are your areas of expertise?

Audit, accounting expertise, financial and operational advice, taxation and company law. Our services are designed to cover all the challenges of financial departments.

Do you offer occasional support?

Yes, we work on recurring missions as well as on targeted projects: strategic operations, reorganization, flash diagnosis...