Agence Mantu - Senior Business Developer - Paris

Job description

Your Missions :

Manage and grow a portfolio of existing client accounts while developing new business opportunities for the agency.

• Build and maintain strong relationships with clients through regular communication to understand their business needs and objectives.
• Develop new business opportunities through proactive prospecting and hunting activities.
• Strong cross-sell issues with the recent fusion between Agence Mantu and Revibe/ Novelab / Arneo.
• Promote and sell the agency’s full range of services.
• Deliver client presentations and lead commercial discussions on various account-related topics.
• Negotiate contracts and achieve monthly and annual sales targets.
• Ensure excellent post-sales follow-up to maintain client satisfaction and foster long-term partnerships.
• Monitor market trends and competitive landscape, sharing insights internally to support business strategy.
• Collaborate closely with internal teams (project, design, technical, performance experts) to ensure successful delivery of services to clients.
• Contribute actively to strengthening and rebuilding the commercial pipeline in a high-impact environment.

Your Profile :

We are looking for a senior business development professional with a strong commercial mindset and proven experience in sales and account management within service-driven environments.

• Seniority expected: approximately 7+ years of experience.
• Proven experience in business development, account management, or agency sales roles.
• Strong hunter mentality with the ability to generate new business opportunities proactively.
• Ability to manage complex offers and develop cross-selling opportunities.
• Demonstrated experience managing the full sales cycle from prospecting to closing.
• Excellent negotiation and stakeholder management skills.
• Ability to build strong relationships with clients and internal teams.
• Comfortable working in fast-paced and demanding environments with high expectations.
• Strong autonomy, resilience, and results-oriented mindset.
• Experience in agencies, consulting firms, event agencies, or similar environments is highly appreciated.
• Excellent verbal and written communication skills in both French and English.
• Good understanding of the local market and current industry trends.

What we offer :

• An international community bringing together 110+ different nationalities
• An environment where trust has a central place: 70% of our key leaders started their careers at the first level of responsibilities
• A robust training system with our internal Academy and 250+ available modules
• A vibrant workplace that frequently gathers for internal events (afterworks, team buildings, etc.)
• Strong commitments to CSR notably through participation in our WeCare Together program

Mantu is proud to be an equal-opportunity workplace. We are committed to promoting diversity within the workforce and creating an inclusive working environment. For this purpose, we welcome applications from all qualified candidates regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or other characteristics.

Who are we?

Agence Mantu is a creative agency of transformation.
We turn strategic directions into narratives, platforms and experiences designed to work together and last. From direction to creation, from deployment to adoption, we ensure continuity across the full chain, from framing to lasting impact.

Our expertise covers the full communication and transformation value chain: brand strategy, transformation narratives, B2B marketing, digital platforms, content systems, immersive tech, live events, media relations, public affairs, thought leadership...

Agence Mantu is the shared external brand of a collective of four complementary Mantu brands: Agence Mantu, Arneo, Novelab and Revibe. A collective built to address the widest range of client needs, with no handover, no loss of meaning.
Creative Intelligence. Stronger Engagement.