Ideas that inspire action.
Source is an independently owned advertising and sports marketing agency. Since 1983, our senior-led team has partnered with ambitious brands to create measurable impact, from the first impression to lasting loyalty.
Explore Our Solutions ↗Trusted by brands we're proud to partner with
Independently Owned
No layers and no bureaucracy, just senior-led teams moving at the speed your business demands.
Senior-Led Expertise
Decades of experience operating as an embedded extension of in-house teams, closing gaps in speed, bandwidth and channel innovation.
Results-Driven
We build platforms and plans to achieve business objectives, not vanity metrics, to drive real performance instead of just impressions and clicks.
Integrated solutions.
Outcomes that matter.
Our cross-functional approach connects strategy, creative, media and measurement so every touchpoint works harder.
Sports Marketing Strategy, Activation & Measurement
Sponsorships that convert fans into customers, built and measured to deliver ROI.
Integrated Media Strategy & Buying
Full-channel planning, buying and optimization tied to business growth.
Creative Messaging, Design & Content Creation
Ideas and content engineered to stop the scroll and inspire action.
Brand Strategy & Identity Systems
Positioning, naming and identity systems that make brands unmistakable.
Analytics & Optimization
Measurement frameworks and insights that make every dollar work harder.
Every solution is custom-built for your specific goals.
Insight-Driven
We start with deep audience understanding and competitive intelligence, not assumptions.
Strategically Integrated
We develop an integrated strategy with consumer touchpoints designed to inspire action and results.
Built for Tomorrow
We test new platforms and tactics to ensure our solutions deliver and are optimized for the future.
Senior talent. Amplified by proprietary AI.
Our AI infrastructure leverages the best model for each task, from OpenAI to Claude to Gemini, through dedicated, secure client AI agents.
- Brand-Specific Intelligence
- Real-Time Market Intelligence
- Strategic Testing with synthetic focus groups
- Precision Targeting
- Insights & Reporting
Selected Work
View case ↗AmtrakSports Marketing / Media / CreativeAccelerating Northeast Corridor travel through strategic sports sponsorships.
View case ↗CohnReznickStrategy / Media / Creative / Sports MarketingElevating a challenger advisory firm through sports partnerships & content.
View case ↗Investors BankStrategy / Media / Creative / Sports MarketingBuilding a regional banking powerhouse.
View case ↗Wise SnacksSports Marketing / CreativeIncreasing market & mind-share for a challenger snack brand in key markets.
View case ↗NetflixSports Marketing / CreativeSetting up a rom-com hit with MLB's National Kissing Day.
View case ↗SubwayStrategy / Media / Creative / Sports MarketingGrowing franchise markets one footlong at a time.
View case ↗BBQGuys.comStrategy / Media / Creative / Sports MarketingDriving e-commerce growth with the first family of football.
View case ↗UFCSports Marketing / CreativeBringing Netflix blockbusters into the Octagon.
View case ↗Lenny & Larry'sStrategy / Media / Creative / Sports MarketingLaunching a high-protein challenger with an American Ninja Warrior star.
No bureaucracy. Just senior experts who do the work.
As an independently owned agency, there are no layers of approval, no handoffs to junior teams, and no holding company red tape. The senior leaders you meet are the people who build your strategy, make the calls and stay hands-on every day, moving at the speed your business demands.
Larry Rothstein
President
Marcia Wasser
EVP, Chief Marketing Officer
Gregg Spiegel
SVP, Strategic Planning & Analytics
Erica Hayman
SVP, Account Director
David Rothstein
SVP, Account Director
Noah Rothstein
VP, Account Director
Kim Gunther
VP, Media
We are a proud member of Worldwide Partners, a global network of the top independent marketing agencies in the world, who share an independent spirit and entrepreneurial drive to build commerce through connectivity, creativity and collaboration.
READ MORE ABOUT OUR PARTNERSHIP ↗