We Have Driven Impact At

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Boost Your Brand Growth with Smart Advertising

Is your brand’s advertising strategy struggling to captivate and engage your San Diego audience?

Many brands encounter a myriad of advertising hurdles, from inconsistent messaging and lack of clarity to shrinking budgets and ineffective ad platforms. In today’s digital age, relying solely on traditional advertising methods may not yield the desired results. What you need is a strategic, data-driven approach to connect with your audience and elevate your brand’s value.

The key to overcoming these challenges is collaborating with a seasoned advertising agency. By harnessing their proficiency in strategic planning, creativity, and data analytics, you can revolutionize your advertising efforts and propel your brand’s growth.

At Single Grain, we comprehend the unique advertising obstacles you face in San Diego. We have assisted companies across diverse sectors to revamp their advertising strategy, augment their brand value, and attain remarkable results.


Single Grain: Your Partner for Exceptional Advertising Campaigns

Based in the vibrant city of San Diego, Single Grain is an advertising agency that excels in crafting and managing advertising campaigns that truly connect with your target audience. Our strategic planning and creativity, underpinned by data-driven insights, are the catalysts for your brand’s visibility and growth.

We undertake a thorough analysis of your brand’s standing, delving into the rich insights gleaned from your consumer data. This allows us to create tailored advertising campaigns that not only reflect your brand’s ethos but also resonate with your target audience.

Moreover, we keep a close eye on your advertising campaigns, optimizing them in real-time to ensure they remain relevant and continue to yield results. Our commitment is to help your brand leave a lasting impression through captivating ads.

Our suite of services includes:

  • Insightful campaign planning driven by data
  • Strategic placement of advertisements
  • Curation and design of engaging content
  • Thorough analysis of campaign performance
  • Deep-dive into audience insights
  • Real-time optimization of ongoing campaigns

Let us, your San Diego-based advertising agency, help you make a significant impact in your industry through compelling advertising campaigns.

Who is Eric Siu?

Eric Siu is the founder of digital marketing agency Single Grain. He also hosts two podcasts: Marketing School & Leveling Up, which get over 2.1M monthly downloads combined. Over the years, Eric has helped companies such as Amazon, Uber, Airbnb, and Salesforce acquire more customers.

Eric hosts a marketing mastermind where 100 of the best in media, marketing, and business get together twice a year in Miami and Beverly Hills. He is also the author of 'Leveling Up: How to Master the Game of Life'.

He also speaks around the world on marketing, SaaS, and SEO. Eric is also an investor in companies such as Eight Sleep, Levels, Fountain Health, Synthesis, and more. Finally, Eric is a member of communities such as YPO and TED.

Discover Featured Podcast Episode

Eric Siu and Neil Patel
4.6 • 1.1K Ratings

The future of marketing agencies, How to increase your agency’s value, & more

In episode #2681 of Marketing School, we discuss the future of agencies and the evolving landscape of digital marketing. We explore the challenges agencies confront in an era dominated by automation and AI, emphasize the need for agencies to deliver value beyond media buying, and underscore the significance of expertise and client success. We also cover the oversaturation of the agency market, transition to performance-based models, and potential equity or profit sharing. Ultimately, we highlight the necessity for agencies to adapt and innovate to thrive in the dynamic digital marketing industry.

Learn More About The Work We’ve Done

  • batteriesplus

    44% Increase in Organic Sessions Through Technical SEO and On-Page Optimizations

  • prolite autoglass

    Increasing Free Quote Submissions on Homepage by 95%

  • npm-logo

    Spend and Leads Increased While Earning a More Efficient CPA

  • wine-deals-logo

    268% Increase in Organic Traffic With AI-Driven SEO Strategy

  • hestan-logo

    300% Increase in BOFU ROAS after switching to programmatic

  • nextiva

    Reduces Cost Per Click By 41.37% While Increasing Leads with Single Grain

  • simon pearce

    Paid Media Strategy Sees YoY Efficiency Gains of +17% YoY Conversion Rate

  • lock-n-lube

    54% Revenue Growth Year Over Year by Implementing Content Optimizations

  • harris-teeter

    Increases Post Engagement Rate by 400% with Single Grain

  • peets-coffee

    454% Growth in Google Ads Revenue After Account Restructure.

  • learinga-a-z-logo

    +85% Increase in Branded Searches and +10% Increase in ROAS

  • Do you want to achieve the same numbers?

    It’s easy!

    Work With Us

Frequently Asked Questions

And We Have The Answers

  • What makes your advertising agency stand out from the rest?

    Our San Diego-based ensemble boasts a rich reservoir of knowledge and experience, garnered from a myriad of sectors and industries. We’ve had the privilege of partnering with an eclectic mix of clients, from sprouting local startups to globally recognized corporations. Our distinct prowess lies in our capacity to craft advertising strategies that are meticulously tailored to align with our clients’ unique needs and ambitions, eschewing the generic, one-size-fits-all methodology. We remain at the forefront of evolving trends and harness state-of-the-art technology to ensure our strategies remain fresh, innovative, and potent. We’re more than just an advertising agency; we consider ourselves an integral part of your team, wholly dedicated to propelling your success.

  • How does an advertising agency differ from a typical marketing firm?

    As a San Diego-based advertising agency, we understand the subtle differences between our role and that of a marketing firm. Our primary focus is on the conception and implementation of ad campaigns, utilizing a variety of platforms such as television, radio, print, and digital media. Conversely, a marketing firm adopts a more comprehensive approach, covering areas like market research, strategy formulation, product pricing, sales, and distribution. We pride ourselves on our expertise in creating captivating stories and visually appealing content, specifically designed to resonate with your target audience and stimulate conversions. We’re here to navigate the complexities of advertising, ensuring your brand stands out in the vibrant San Diego market.

  • What advertising channels does your agency specialize in?

    When it comes to your San Diego-based business, the choice of an advertising agency can hinge on a multitude of factors, including your unique business model, the audience you’re aiming to reach, and the objectives you’ve set. Our team is renowned for its adaptability and proficiency in a broad spectrum of advertising avenues. We’re adept at leveraging both time-honored channels like television, radio, and print, and also harnessing the power of contemporary digital platforms, including social media, search engines, and mobile applications. Our approach is always to choose the most impactful channels that align with your distinct requirements. Each strategy we formulate is one-of-a-kind and driven by robust data, designed to optimize your reach and return on investment.

  • How much should I budget for advertising with your agency?

    Recognizing that every business is unique, especially here in the vibrant San Diego market, we understand that there isn’t a universal solution when it comes to determining your advertising budget. Factors such as the scale of your business, your industry, your aspirations, and your current growth phase all play significant roles. Our strategy involves forging a close relationship with you to fully grasp your goals and financial capabilities. With this understanding, we can craft a tailored proposal, suggesting an ideal advertising budget that not only aligns with your objectives but also maximizes your ROI. Ready to take the next step? Reach out to us for a complimentary consultation today!

If you were unable to find the answer you’ve been looking for, do not hesitate to get in touch and ask us directly.

Our Growth Methodology

  • We’ll start by talking on the phone to get a sense of what your challenges are right now, what you’ve tried so far, and if we're the right full-service digital marketing agency for you. No hard selling. Promise.

  • If we think we can help you, we’ll put together Marketing Insights specifically for your company. Running your business through our experienced digital marketing agency analysis, we’ll create an execution plan which maximizes all the opportunities we see for growth and specific KPIs.

  • We’ll get you as many quick and early wins as possible, while setting up specific, long-term, scalable digital marketing goals.

  • We’ll roll out our full execution plan, focusing on timely, tactical implementation, and setting up scalable growth opportunities. This frees you up to work on other high impact areas of your business.

  • Our online marketing team continually monitors your results at every step of the process, then leverages that to get you even more wins.

Elevate Brand Presence

— Testimonials

Our Creds


— Our clients love us

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“Their expertise has helped Nextiva grow its brand and overall business”

“The Single Grain team has been instrumental in providing us with forward-thinking, growth-impacting marketing support. Their expertise has helped Nextiva grow its brand and overall business.”

— Yaniv Masjedi
CMO, Nextiva

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“They act like an extension of our team, proactively coming to us with ideas and fixing issues as they arise”

“Single Grain has been an important force for guiding our digital marketing. They act like an extension of our team, proactively coming to us with ideas and fixing issues as they arise. They're exactly what we look for in partners.”

— Samantha Goldman
Sr. Director of Marketing, CastLightHealth

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“They provided us with key learnings about our messaging that we are now using”

“Not only did Single Grain deliver strong results — markedly increasing unique, new web traffic and engaged users — but they provided us with key learnings about our messaging that we are now using.”

— Devin Kerr
Digital Marketing Specialist, Sandvik

Level Up Your Marketing Knowledge

Marketing School
A top business podcast with 90
million downloads
Eric Siu & Neil Patel
Leveling Up
A channel that will help you level up your business skills and master the game of life
Eric Siu & Leading

Level Up Your Marketing Without Increasing Your Headcount

Elevate Brand Presence