YOUR GROWTH IS
OUR BUSINESS

Horizon is the fiercely independent growth partner for brands that deserve more from their agency. We combine human ingenuity, open ecosystems, and a culture of transparency into a model engineered for your success — because we take your business personally.

17%

Average annual revenue growth among our clients1

2.5x

Client portfolio revenue growth versus the S&P 5002

80%

Employee Retention3

The First Open Operating
System  Designed for Client Growth

horizon S

HorizonOS is Horizon’s open, interoperable system that connects human expertise, advanced technology, and an open ecosystem of partners enabling intelligence to flow freely across media, creative, data, and analytics — across four dimensions: Human Intelligence, the Blu Ecosystem, AI Transformation, and HorizonOS Labs.

Blu Ecosystem

AI Transformation

Human Intelligence

HorizonOS Labs

Delivering Growth for the World's Most Innovative Brands

Our Services: Connected by Design, Engineered Around You

From strategy and consulting to omnichannel media, content, and AI-powered measurement and decisioning, we bring people, data, and technology together to build a marketing and media operating system around your business. Nothing operates in isolation. Each capability is designed to connect with and amplify the others, adapting as your needs evolve and new opportunities emerge across AI discoverability, agent-to-agent transactions, and whatever comes next, all working toward the same goal: your growth.

Strategy & Consulting
Customer Experiences
Specialized Solutions
Paid Media
Full-Service Creative
Unified Measurement
Bill-Koenigberg
Quote Icon

What we do has evolved. Why we do it hasn’t. We take our clients’ businesses personally — moving at the speed of their business, earning trust through transparency, and bringing the kind of clarity that only comes when there are no layers between your challenge and our thinking. That’s been true since day one and it’s true now.”

— Bill Koenigsberg, Founder and President

Our Partners Are Leaders in Technology & Business Innovation

Thought Leadership & News

THOUGHT LEADERSHIP

Your stack was never built to talk to itself

84% of marketers run 10+ martech tools, yet 61% say those tools still fall short. New Forrester Consulting research looks at why fragmentation is holding marketing back and what a truly connected approach takes.  

THOUGHT LEADERSHIP

Plug In, Swap Out: The Open Ecosystem Was Never Built Right

Everyone claims to be open. Few can prove it. Horizon’s Dane Kunkel explains what an open ecosystem actually requires, and why the real test is whether you can unplug a partner in a week.  

ANNOUNCEMENTS

HorizonOS Labs Expands with Third Cohort, Bringing New Partners into Open Ecosystem

Horizon Media has unveiled 11 companies named to the third cohort of HorizonOS Labs, the agency’s structured innovation accelerator. The program is designed to distinguish viable innovation from vendor promises through a transparent, client-centric process focused on real-world application. 

Grow With Us

Horizon was built on the idea that business is personal. That extends to our people. As the world’s largest independent marketing agency, we have the freedom to invest in our talent differently — building AI-fluent, strategic thinkers and builders who are ready to lead in a time of consequential change.

1 Based on publicly traded client partners in fiscal year 2025 vs. 2024
2 Based on average revenue growth of publicly reported client portfolio against S&P 500 index performance in fiscal year 2025 vs. 2024
3 Based on calendar year 2025 employee retention data

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