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Our shared passion is to build successful teams, shape people centric business cultures that are focused on results, continuous improvement and winning.

Marc Lavallée



For nearly 25 years, Marc has focussed on both established companies and promising start-ups. He believes strongly in the potential of entrepreneurship and the capability of individuals to rise to challenges.

In 2014, Marc decided to use his experiences to assist other entrepreneurs, working hand in hand with investors and buyers to enhance the growth of small to mid-sized enterprises. His motto, "Getting Things Done," reflects his straightforward approach to business: effective strategies and solid execution.

At 1+1 Consulting, Marc works with the conviction that success in business is a mix of growth drive and teamwork. We aim to help leaders and teams realize their full potential.

Marc's past roles in the telecommunications sector, such as his time with TELUS, Trispec Communications Inc, and Videotron, provided him with a broad understanding of the industry.

Armed with a Finance degree from HEC Montréal, Marc brings both knowledge and practical experience to the table. He also gives back to the community, serving as a Board Member for CENTR'AIDANTS de la Montérégie since 2018.

Marc Lavallée combines experience, dedication, and a genuine desire to help businesses and individuals grow.

Philippe Prévost



Philipe is a strategist and communicator, with a career extending over three decades. His expertise encompasses a wide spectrum, including events, advertising, retail, web, and public relations.

At the heart of Philipe's methodology lies his dedication to crafting business strategies and carving out unique and compelling business visions.


As the co-founder of 1+1consulting in Montreal, a considerable segment of his professional journey has been dedicated to assisting businesses navigate the complexities of modern-day challenges. 

Philipe places a significant emphasis on the essence of robust leadership and recognizes the critical role of human dynamics within organizational frameworks.


His leadership credentials are further evidenced by his significant roles at National Public, Nurun, BBDO, and Publicis.

Anchoring his expertise is a Business Administration degree from Bishop's University.

Engaging with Philipe Prevost means more than collaborating with a seasoned consultant; it signifies a partnership with a visionary committed to innovation, excellence, and the unmatched strength of synergistic teamwork.

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Our Partners

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Team of CIOs (Chief Information Officers) with extensive experience in several organizations of various sizes. Their CIOs have the ability to quickly adapt to the operational reality of our customers. 

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Évoluance is an organizational performance consulting firm. Its multidisciplinary team of 3 professionals supports SMEs in organizational design, organizational development, leadership development and change management.

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