Best Email Marketing Agencies in San Diego (2026)

#1

Digitopia

★5.0

San Diego, United States · Team 11-50 · 7 services · 9 reviews

Digitopia is the premium inbound marketing agency and HubSpot Diamond Partner that helps B2B Information Technology and SaaS companies grow faster and smarter using the Digital Utopia Methodology — an inbound marketing framework. Headquartered in San Diego, with offices in Atlanta, and San Antonio. Certified B Corp. Diamond HubSpot Solutions Partner. Super fun to work with! We best serve marketing and sales directors at these types of businesses: Information technology SaaS FinTech

#2

ATTN Agency

★4.8

San Diego, United States · Team 11-50 · 8 services · 22 reviews

ATTN Agency is a full-funnel performance and growth marketing agency.We accelerate brands' growth through tactical and agile media buying, data-driven analysis, and unrivaled creative services.ATTN Agency provides marketing strategy, media buying, and creative services to digitally native brands spanning across all major advertising platforms, including Facebook, Instagram, TikTok,Google, Bing, YouTube, email and SMS marketing.Our marketing strategies are designed and developed based on each clients' unique goals. With a deep understanding of how digital content is consumed and spreads, ATTN Agency's strategists design, implement, and optimize a full-funnel approach to converting a prospect into a customer and in maximizing the lifetime value of each customer.Our strategists are certified by Google, Facebook, TikTok, Bing, Klaviyo, Attentive and more to ensure that our clients' campaigns are always ahead of their competition.Start understanding your customer journey today with a performance audit from the strategists at ATTN Agency.Read more

#3

BOL

San Diego, United States · Team 51-200 · 8 services

BusinessOnline is a performance-driven digital marketing agency headquartered in San Diego, CA and Boston, MA. We leverage data to gain deep insights about the specific needs of our clients’ customers in each phase of their buying journey and align digital marketing activities to meet these needs. This approach builds strong relationships and improves marketing performance. We do what most marketers cannot: we close the sales and marketing loop and prove marketing’s ROI and business value. We believe the job of the modern-day B2B marketer has never been more important or complicated. By leveraging marketing technology to scale data-driven insights, we create breakthrough, customer-centric integrated experiences. The Business Marketing Association named BusinessOnline “2015 Agency of the Year”. To learn more visit www.bol-agency.com.Read more