You don’t need a bigger agency.

You need a better one.

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.
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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.

Denise

Denise Blasevick

CEO and Founding Partner

Jacob

Jacob Bryce

Design Lead

Stef

Stefanie Fernandez

Client Services Lead, B2C

Gord

Gordon McMillan

Chief Sounding Board

Christine

Christine Mikhail

Strategy Lead

Amanda

Amanda Moreau

Client Services Lead, B2B

Adam

Adam Schnitzler

Operations Lead and Founding Partner

Jared

Jared Young

Creative Lead

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Our core values.

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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McM

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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.

Big agency thinking. Boutique agency attention.

Let's talk.