Human ressources

Payroll Audit: Identify Cost-Saving Opportunities and Ensure the Accuracy of Your Payroll Data!

Composed of payroll and social security specialists, our team draws on in-depth expertise and stays constantly up to date on the latest regulations that affect you.

France's increasingly complex payroll tax system

Payroll management in France : one of the most complex in the world

Employer contributions in figures

23%
minimum employer contributions on gross salary
42%
maximum employer contributions on gross salary

Our goal Our aim is to help you identify cost-saving opportunities to better control your payroll costs, secure your payroll practices and improve your social performance.

Your payroll represents a significant expense for your company. It is estimated that employer contributions vary between 23% and 42% of gross salary. With the constant changes in legislation concerning social charges, company agreements and other specific cases, experts agree that Payroll management in France is one of the most complex in the world.

Faced with this administrative complexity, it is becoming increasingly difficult for organizations to ensure that full compliance with regulatory requirements. The financial consequences can be colossal in the event of errors (adjustments and/or claims from social security bodies).

Although trained in the main rules of application, your teams need to rely on precise expertise, which implies regular legal monitoring in order to keep up to date with the latest news. Our legal consultants are there for you.

Optimize your payroll taxes

To make sure you contribute the right amount

We can't say it often enough: your company's greatest asset is its human capital.

Although it is your responsibility to guarantee your employees' rights by paying contributions to the various funds and organizations, this can prove very costly if your social security charges are not managed in a secure and optimized way. Under- or over-contributions can lead to a reduction in your cash flow, as well as to higher costs. adjustments and penalties not to mention the mobilization of your teams to regularize problems or the deprivation of certain rights of your employees.

Our payroll tax consultants can help you make sure you pay the right amount, no more, no less. After a phase of analysis and’audit of your social charges, your dedicated consultant identifies potential savings. In the event of over-contribution, he or she will take the necessary steps, with your agreement and in collaboration with our partner law firm, to recover the sums wrongly paid.

It also identifies areas of risk and makes recommendations to make your business safer!

As the social security audit is the first step in ensuring the reliability of your HR data, your consultant provides regular follow-up and makes recommendations to optimize your compliance throughout the assignment.

As a partner in corporate social performance

We have developed a comprehensive range of services to help you secure your social data.

Audit and recommendations

Data collection and analysis, identification of optimization levers and study of risk areas.

Follow-up and support

Implementation of recommendations according to a schedule to be defined together.

Skills transfer

Monitoring, awareness-raising and training to better understand and control changes in social security rules.
Essential payroll and DSN compliance

To optimize your social charges and secure your legal obligations

Our payroll and DSN compliance offer

An in-depth audit and control mechanism to make your payroll process and legal obligations more reliable.

  • Consistency between payroll data and DSN declarations
  • Identifying risks to social security bodies
  • Identify optimizations applicable to payroll
  • Detection of visible risk zones on payroll
  • Ensuring compliance with applicable legislation

Make your payroll processes and legal obligations more reliable with our payroll and DSN compliance offer.

With our comprehensive range of compliance on the subjects of payroll and DSNWith G.A.C. Group, you can be sure that all social charges are declared and paid in accordance with applicable legislation.

Thanks to a thorough audit and control mechanism, our experts ensure the reliability of your payroll process and your legal obligations by making sure that your payroll information is consistent with that declared in DSN. Our support in the DSN compliance et paie gives you the keys to identifying and protecting yourself against the risks incurred in relation to social security bodies on the one hand, and enabling you to identify applicable optimizations and visible risk areas in payroll on the other.

Our support

Choosing G.A.C. Group means choosing experts in in payroll and social charges

Choosing G.A.C. Group means entrusting payroll and social security experts with the security and reliability of your payroll, so that you can concentrate on your core business.

At G.A.C. Group, we are convinced that a successful company is one that knows how to turn its legal obligations into opportunities. Our teams are at your side to help you develop your social performance.

salariés formés par nos experts en 2025
taux de satisfaction en 2025
0 %
des participants estiment que les objectifs de la formation ont été totalement atteints en 2025
0 %
They trust us
kering logo png
«What's particularly appreciable about the support we've had is that these are assignments that demand relatively little effort, in terms of time, from the teams we have. In the end, we received the results and your conclusion report with relatively little work required on the part of our teams.»
Florent LACOCHE
Head of Shared Services EMEA Kering
Audit of social charges
stac
"The G.A.C. Group teams have the technical skills to adapt to the specificities of the French overseas departments in terms of social charges. Despite the geographical distance, the teams adapted without difficulty."
HR Manager
AT/MP support and audit of social charges
tenergie (1)
"This assignment enabled us to consolidate the updates made and optimize payroll settings, thus saving money for the future. I appreciated the speed of execution and the availability of clear information and a detailed report."
Human Resources Manager
Audit of social charges
bureau veritas (3)
"Read the testimonial from Florent LACOCHE, Director of Compensation & Benefits and HR Operations France at Bureau Veritas."
Directeur des rémunérations et avantages sociaux et opérations RH France, Bureau Veritas (aujourd'hui Kering)
Audit of social charges
niort freres
"The training courses are very interesting and well structured. The trainers are good listeners and there's a lot of interaction during the work groups."
Gestionnaire Paie & ADP
Social security contributions and sick pay training courses
federaly
"We are very satisfied with this support, as well as with the report we received and the speed with which the recommendations were implemented. We fully recommend this company, and if we had to describe this support in three words, it would be: Listening, Trust, Support."
Human Resources Manager
Audit of social charges
igesa logo
«We've made savings in areas we weren't necessarily aware of, and in other areas your analyses have reinforced our convictions. All in all, it was a great success. I was pleasantly surprised by the simplicity and clarity of your approach.»
Carole DENIS
Office Manager
Audit of social charges
Take action

Book your social security audit

Our payroll tax consultants can help you make sure you pay the right amount, no more, no less. Contact our experts to identify your savings levers and make your social data more reliable.

Related articles

Human Resources
Baromètre des DRH 2026
6 July 2026
Découvrez les priorités RH 2026 révélées par 285 décideurs : IA, recrutement, formation, SIRH, prévention des RPS et conformité paie. Téléchargez le Baromètre des DRH G.A.C. Group.
Baromètre des DRH 2026
Human Resources
Où en êtes-vous sur la conformité paie 2026 ?
1 July 2026
Évaluez en 2 minutes la conformité paie 2026 de votre entreprise : CSN, RGDU, seniors, DSN. Résultat immédiat, diagnostic détaillé par e-mail.
Où en êtes-vous sur la conformité paie 2026 ?
Human Resources
Actualités paie et cotisations sociales : ce qu’il faut maîtriser à mi-année
19 June 2026
Mesures paie 2026 décryptées par G.A.C. Group : LFSS, cotisations sociales, DSN, transparence salariale. Inscrivez-vous au webinar.
Actualités paie et cotisations sociales : ce qu’il faut maîtriser à mi-année
Human Resources
QVCT : le manager au centre du dispositif AIDER
15 June 2026
QVCT — 5 capsules pour comprendre pourquoi le manager est le levier central de toute politique de qualité de vie au travail. Découvrez le dispositif AIDER.
QVCT : le manager au centre du dispositif AIDER
Human Resources
Audit des charges sociales : réduisez vos cotisations et sécurisez vos pratiques URSSAF
12 June 2026
Découvrez comment un audit des charges sociales peut générer 1 à 3 % d'économies sur votre masse salariale, sécuriser vos pratiques URSSAF et s'autofinancer en moins d'un an.
Audit des charges sociales : réduisez vos cotisations et sécurisez vos pratiques URSSAF
Environment Taxation Innovation Human Resources
Energy Crises & Mental Health in the Workplace: Meet the Experts on October 6 in Deauville
June 10, 2026
Join business leaders and executives from Normandy on October 6, 2026, for two expert panel discussions: energy crises and the prevention of psychosocial risks. Space is limited.
Energy Crises & Mental Health in the Workplace: Meet the Experts on October 6 in Deauville
Human Resources
TOP DRH Deauville 2026: three key workshops for HRDs
May 27, 2026
At TOP DRH Deauville on June 16-17: workshops on payroll & Urssaf, RPS/AT-MP prevention and IA RH. Reserve your place and meet our experts.
TOP DRH Deauville 2026: three key workshops for HRDs
Human Resources
SMIC on June 1, 2026: what automatic revaluation means for payroll
May 20, 2026
SMIC increase of 2.41 % on June 1, 2026: new amounts, INSEE mechanism and RGDU point of attention for payroll departments.
SMIC on June 1, 2026: what automatic revaluation means for payroll