The Digital Engagement Agency: Brainsonic

1 July 2025 | 1 July 2025 | 2 min |

In this article :

Une Agence « Blended » au Service de l’Engagement
Les Expertises de Brainsonic
Des Réalisations Marquantes
Une Vision Durable et Innovante
Conclusion

Brainsonic is an independent French agency, a pioneer in the field of digital engagement. Founded in 2003, the agency has established itself as a major player by combining creativity, strategy, and technology to support brands in their digital transformation.

A “Blended” Agency Dedicated to Engagement

Brainsonic defines itself as a “blended agency,” bringing together over 120 talents from diverse backgrounds. This diversity enables the agency to offer an integrated approach, combining editorial, creative, and technical skills. The goal is to design solutions capable of engaging audiences, whether B2C, B2B, or internal.

Brainsonic’s Expertise

Content Strategy

The agency masters the entire content value chain, from audience listening to the delivery of engaging stories. This expertise allows for the development of tailored content strategies adapted to the specific needs of each client.

Conversational Marketing

Brainsonic integrates conversational solutions to enable brands to interact directly with their audiences. The use of data and insights allows for the deployment of precise dashboards, optimizing engagement and campaign performance.

Digital Events

With its Brainsonic Live division, the agency designs events blending digital and real-life experiences, creating immersive and memorable moments. These events aim to strengthen the relationship between the brand and its audiences while measuring return on investment.

Notable Achievements

Brainsonic has collaborated with major brands such as Adobe, Microsoft, Nestlé, Bouygues, EDF, and Groupe BPCE. Some notable projects include:

E.Leclerc: Creating engaging content to strengthen the brand’s presence on social media.
Dassault Systèmes: Organizing an augmented reality treasure hunt in Paris to promote sustainable energy solutions.
Warner Bros: Developing an immersive experience to celebrate the brand’s 100th anniversary in UGC cinemas.

A Sustainable and Innovative Vision

Brainsonic is also committed to digital eco-design, aiming to reduce the ecological footprint of its services. The agency optimizes source code, favors eco-friendly hosting, and applies best practices to limit “digital bloat.”

Conclusion

Brainsonic embodies an innovative vision of digital communication, combining creativity, technology, and engagement. Its integrated approach enables brands to connect authentically with their audiences while measuring the impact of their actions.

At Rétines, although we specialize in photography and visual creation, we understand the importance of digital engagement. We collaborate with agencies like Brainsonic to deliver visual content that enhances campaign impact and ensures coherence between strategy and execution.

Écrit par Jérémy Carlo

Jérémy Carlo is the editorial director at Rétines, where he ensures the consistency and clarity of all content produced by the studio. His role goes beyond writing—he shapes the tone, structures the messages, and upholds a precise, demanding editorial line that stays true to the identity of Rétines. With a background in visual communication and solid experience in content strategy, he bridges the technical world of photography with clear, no-frills writing.

Jérémy works closely with photographers, art directors, and the commercial team to make sure every word published serves the image, the message, and the brand. From blog articles and client presentations to social media posts and internal documents—everything is filtered through his attentive eye. His strength lies in making complex ideas accessible without oversimplifying, and in highlighting the studio’s work without relying on unnecessary superlatives.

Through his writing, Jérémy helps Rétines exist beyond the image—by giving context to projects, emphasizing the thinking behind each shoot, and bringing to light the technical and aesthetic choices that drive each photograph.