Cardinal Digital Marketing has secured the 18th position on the Atlanta Business Chronicle's 2025 list of Largest Advertising and Marketing Agencies. The ranking, determined by the number of full-time Atlanta employees as of January 2025, reflects the company's continued expansion and prominence in the metropolitan area.
The Book of Lists, published by The Business Journals, provides a comprehensive overview of influential companies driving local economies. Its researchers employ rigorous methodologies to compile rankings based on exclusive and original data, offering a credible snapshot of regional business landscapes.
Founder and CEO Alex Membrillo expressed pride in the company's recognition, highlighting their work with clients across metro Atlanta and nationwide. Cardinal Digital Marketing specializes in healthcare performance marketing, offering a comprehensive suite of services including digital strategy, search engine optimization, pay-per-click advertising, social media advertising, web design, and analytics.
The company's consistent recognition is not new. Founded in 2009, Cardinal has previously been ranked as the fastest-growing agency in the Southeast and has been featured on the Inc. 5000 list of fastest-growing privately-held companies multiple times. Additionally, they have been a seven-time recipient of the Atlanta Business Chronicle's Pacesetter Awards and have been named one of the Best Places to Work in Atlanta.
This latest ranking reinforces Cardinal Digital Marketing's strategic positioning in the competitive digital marketing landscape, particularly in the healthcare sector. By focusing on client profitability and developing adaptive engagement strategies, the company continues to demonstrate its ability to navigate the rapidly evolving digital marketing environment.



