WE BUILD TRUTHFUL BRANDS THAT CONTRIBUTE TO SOCIETY AND AIM TO HAVE A SAY.

Miller O'Connor is an independent creative advertising agency from Barcelona founded and led by women since 2017. We gather the best talent in the industry to deliver strong strategy, solid ideas and inventive executions to make brave brands truly matter to people.

BRAVE BRANDS BELONG TO THE TOP OF THE HEART.

We are a full-service Advertising Agency and we lead, create, manage, and produce effective advertising campaigns using insightful creativity as a weapon to achieve change.
Check our services here.

DIGITAL, SOcial media & Influencer marketing

BRAND ACTIVATIONS, PR & EVENTS

BRAND IDENTITY

BRAND STRATEGY

ART DIRECTION
& PHOTOGRAPHY

CAMPAIGN CONCEPTS
& IDEAS

FILM PRODUCTIONS

GRAPHIC & MOTION DESIGN

CURIOUS ALREADY?

CRAZY ABOUT CREATIVITY,
MAD ABOUT REALNESS.

We believe that only genuine ideas will make people care. Our ads and brands are built on transparency, disruption and connection, rather than on advertising inside jokes or explosive executions without substance. No matter the format or outcome, we create strong bonds between people and brands.

Our way of doing it?
Head on the clouds, feet on the ground.

OUR CLIENTS

CHECK OUR LATEST work