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Nexia S&A strengthens its consolidation expertise through a strategic alliance with Atriom

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As part of its growth strategy and commitment to reinforcing its areas of expertise, Nexia S&A announces a strategic alliance with Atriom, a leading firm in consolidation and valuation. This significant move strengthens its capabilities in a key segment and confirms its ambition to become a major mid market player.

Atriom, a mid‑market consolidation benchmark

Founded over twenty years ago, Atriom has established itself as a technical reference partner for structured groups, notably thanks to its proprietary internally developed solutions.

We have one of the largest teams in Paris dedicated to these matters, supported by technological solutions that truly set us apart. This enables us to address the full spectrum of market needs” says Jérôme Giannetti, Founding Partner of Atriom.

A strengthened position in a demanding market

Already active in the consolidation market, Nexia S&A is taking a major step forward by joining forces with Atriom, a top‑tier specialist, to create a best‑in‑class player.

The mid‑market requires a high degree of technical expertise and close client relationships. To strengthen our consolidation capabilities, we chose to partner with professionals who share our strong entrepreneurial culture. This model allows us to move forward with discipline, with the sole objective of delivering meaningful value to our clients” explains Olivier Juramie, Chairman of Nexia S&A.

The consolidation market—and related activities—is becoming increasingly strategic. The rising technical requirements create high barriers to entry and strong pressure on the availability of specialized talent.

By integrating this dedicated team of experts into the group, Nexia S&A:

- strengthens its production capacity;

- increases its technical depth;

- gains visibility in a strategic segment;

- offers a comprehensive range of services thanks to synergies with its audit, accounting expertise, operational consulting, transaction services, sustainability, and international practices.

This alliance represents a qualitative step change. Our ambition is clear: to become a leading mid‑market player, recognized for the quality of our expertise” adds Olivier Juramie.

A driver of development and attractiveness

For Atriom’s teams, this alliance is a strategic opportunity for development: access to enhanced support functions, leverage from an international network, new cross‑selling possibilities, and an expanded service offering for clients.

The complementary expertise of Nexia S&A will allow us to broaden our scope of intervention. We have already started joint work on several projects” notes Jérôme Giannetti.

In a context where specialized profiles are scarce, the operation also strengthens talent attraction. Building a best‑in‑class service line in consolidation and valuation, grounded in an entrepreneurial model driven by seasoned professionals, enhances the new entity’s ability to attract and retain highly skilled experts.

As part of this alliance, Jérôme Giannetti is appointed Managing Partner of Nexia S&A and joins the executive committee.

atriom

Left to right: Jérôme Cayroche (Nexia S&A), Marc Leclerc (Atriom), Jérôme Giannetti (Atriom), Olivier Juramie (Nexia S&A) © Véronique Taupin

About Atriom

Atriom has been a leading financial advisory firm for more than twenty years. With a team of 70 professionals and a turnover of €10 million, the firm supports more than 200 clients in their consolidation, valuation, and IFRS related challenges. Now part of the Nexia S&A group, Atriom strengthens its expertise and service offering to position itself as a top tier mid market player.

About Nexia S&A

Nexia S&A is a major audit, accounting, and consulting firm, bringing together nearly 600 professionals, including 59 partners, serving 5,000 clients—mid caps and SMEs—in France and internationally. As guardians of financial information and strategic partners, Nexia S&A stands out for its proven technical excellence and strong human values. Through the Nexia network, present in nearly 120 countries, its teams support clients across five continents.

Contacts

Olivier Juramie
Chairman
Phone : +33 (0)6 03 67 57 59
Email : o.juramie@nexia-sa.fr

Jérôme Giannetti
Founding Partner of Atriom – Managing Partner of Nexia S&A
Phone : +33 (0)6 03 30 18 78
Email : jgiannetti@atriom.fr

Jaimie Mayet
Marketing Manager
Phone : +33 (0)6 27 19 22 96
Email : j.mayet@nexia-sa.fr

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