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ONE. Team

At ONE. we are obsessed with delivering the best quality service and highest value to our clients at every interaction and within each transaction. Our foundational values of authenticity, humility, growth, respect and professionalism serve as the bedrock from which we can help you achieve real, relevant results for amazing positive outcomes in your real estate strategy. 

Meet our Visionary Leader.

Sebastien Duval

Sébastien Duval

Managing Director


Mobile: +1.506.870.0217

Office: +1.506.383.0663


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Sébastien Duval is a professional commercial real estate advisor with over 10 years' of industry-leading service to landlords, investors and occupiers in all sectors of commercial real estate across New Brunswick and Nova Scotia. 

Constantly driven to deliver maximum value and genuine service, Sébastien is always ready and willing to collaborate with his clients to better understand their needs and craft winning solutions for real, relevant results. This purpose-driven attitude has made Sébastien a truly indispensable partner in real estate for local, regional and national companies and institutional investors throughout his career.

Sébastien's successful track record, strong relationships and solid industry reputation have allowed him to forge lasting and meaningful connections while becoming a trusted name in the  Atlantic commercial real estate industry. 

''I want my clients to remember the value I have brought them long after the deal is done.'' - Sébastien Duval

When Sébastien is not obsessed with commercial real estate, he enjoys quiet family time with his wife, Stéphanie and their three kids; Olivier, Nico and Ellie and loves reading, listening to music, watching Formula 1 racing and building Lego kits with his kids.

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