S3 McMillan is an independent, woman-owned creative agency with a simple belief: clarity wins. We help ambitious B2B and B2C brands achieve meaningful results through smart strategy, high-impact creative, and a team that delivers – consistently.
Who we A.R.E.
Formed by the merger of The S3 Agency and McMillan, we’ve combined strategic firepower with creative excellence – and built a team of extraordinary strategists, writers, designers, marketers, and CX pros who love what they do.
We serve global and growth-stage brands across automotive, consumer goods, tech, finance, sustainability, and more. Here’s the leadership team that drives our momentum.
Our core values create the acronym A.B.O.D.E. because they are what we live by. Those who embody them thrive in our home.
Ask better questions
We lead with curiosity and critical thinking. By digging deeper, we uncover insights that sharpen strategy and drive meaningful results.
Be the fire
We bring energy and initiative to every challenge. Our team is always looking for smarter solutions and forward momentum.
Open book
We believe great work starts with transparency. Clear communication and real collaboration keep everyone aligned and moving in the same direction.
Driven by greatness
We hold ourselves to a high standard. Attention to detail and pride in our craft help us deliver creative that is both polished and powerful.
Embrace the endorphins
We bring heart to the process. From how we work together to how we support our clients, we believe great work should feel good to make.
What’s in a name?
S3 McMillan was formed by the 2024 merger of The S3 Agency and McMillan – two storied creative forces combining their strengths in brand and demand.
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S3
A “System of Threes” – the smallest number that forms a memorable pattern. When Denise Blasevick and Adam Schnitzer founded S3 in 2001, it captured their drive to make B2C brands unforgettable.
McMillan
Founded by Gordon B. McMillan in 1996, this Canadian agency became known worldwide for deep strategic thinking and powerful B2B design.
S3 McMillan Today, S3 McMillan is more than a full-service agency. We’re a clarity-driven brand-and-demand powerhouse with offices in the NYC Metro area and Ottawa – on a mission to help the world see our clients more clearly.