Outsourcing to transform your organization
BPO Finance—Accounting goes beyond simple outsourcing: it becomes a lever for continuity, reliability and efficiency. Our teams ensure your operations to secure financial production and streamline your processes.
BPO missions linked to your transformation challenges
We support financial departments in their daily challenges: data reliability, harmonization of processes, performance management...
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Guarantee the maintenance of activities despite staff variations, absences or recruitment tensions.
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Produce accounts that are fair, consistent and in accordance with the standards and expectations of stakeholders.
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Standardize, automate and make operations more reliable to reduce risks and delays.
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Free up time for teams in order to strengthen analysis, management and structuring projects.
Expertise amplified by the mobilization of multiple disciplines
Our complementary services enrich the analysis and quality of your financial information.

To support organizations in the reliable production of their financial data and the creation of reports with high added value.
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To ensure fair, consistent and compliant accounts, and to produce transparent and controlled consolidation.
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To support foreign groups in setting up in France by securing their legal, fiscal and social obligations.
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To secure payroll and social obligations through reliable, compliant and controlled production.
What BPO can do for you
BPO Finance—Accounting goes beyond simple outsourcing: it becomes a lever for continuity, reliability and efficiency.
Achieve regular, consistent and secure deliverables, even in times of tension.
Reduce friction, duplication, and errors through controlled workflows.
Quickly adapt resources and skills to the needs of the business.
Refocus teams on missions with higher added value: analysis, management, strategy.
A dedicated partner to outsource your Finance — Accounting function with complete peace of mind
With a team of 50 dedicated employees and integrated digital tools, Nexia S&A takes care of your entire Finance — Accounting function to give you back time, reliability and agility.
What we appreciate at Nexia S&A is the reliability and stability of their process. Every month, they produce analyses and dashboards that inform our decisions. Today, it is an essential partner, both accounting and a real knowledge resource.

Our useful resources
Our content helps you better understand your challenges, anticipate changes and discover what's behind the scenes at Nexia.
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.
Our BPO experts
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.
Do you have questions?
Here is what our customers ask us most often before starting a mission.
We work mainly with ETIs, growing SMEs, family groups or subsidiaries of international players. Our teams are used to complex and multi-structured environments.
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.
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.
An associate contacts you again to understand your challenges, without commitment. We analyze your needs in order to offer personalized support.
Audit, accounting expertise, financial and operational advice, taxation and company law. Our services are designed to cover all the challenges of financial departments.
Yes, we work on recurring missions as well as on targeted projects: strategic operations, reorganization, flash diagnosis...





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