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Scaling E-commerce Brands Through Expert Media Buying
At Sum Digital, we scale e-commerce brands through data-powered media buying strategies across Meta, Google, TikTok, and more. Since 2005, our expertise in customer acquisition has helped brands achieve exponential growth, maximize ROI, and prepare for successful acquisitions. With a hands-on, high-touch approach, we ensure that every media dollar works harder by blending data insights with high-performing creative assets tailored to your target audience.
High-Touch Media Buying for High-Growth Brands
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Data-Driven Strategy
We analyze your historical data, market trends, and creative performance to uncover key opportunities for growth and optimization, ensuring our media buys are both strategic and cost-efficient.
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Creative as the Targeting Tool
We lean hard into creative performance, using it as a key driver to find and engage the right pockets of customers across broad-targeting platforms like Meta and TikTok.
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Execution & Optimization
Our expert team continuously monitors and refines campaigns in real time, making adjustments to optimize performance and scale results.
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Transparent Reporting
We provide detailed, transparent reports on both media and creative performance, offering actionable insights that support long-term growth and ROI.
Blenders Eyewear: Skyrocketing ROAS and Acquisition Success
Strategic Focus
Sum Digital implemented a data-driven media buying strategy across Meta and Google, resulting in a phenomenal 7.5X increase in Return on Ad Spend (ROAS) for Blenders Eyewear.
Data-Driven Execution
We optimized Blenders’ advertising across multiple platforms, focusing on efficiency and profitability through creative performance analysis and ongoing campaign adjustments to reach broader audiences and maximize engagement.
Acquisition Milestone
This rapid growth culminated in Blenders Eyewear’s acquisition by Safilo Group for $90 million, solidifying its position as a leading brand in the eyewear industry.
Creative Studio: Crafting Impactful Assets
Strategic Ideation
Our creative team crafts innovative concepts that align with your brand identity and speak directly to your target audience.
Tailored Asset Creation
We produce engaging, data-driven creative assets optimized for each platform to drive growth and ROI.
Performance Optimization
Every piece of creative is tracked and refined using real-time data insights, ensuring your creative scales as your brand does.
Pura Vida Bracelets: A Journey to Acquisition Success

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Strategic Growth
Sum Digital partnered with Pura Vida to execute a creative and data-driven digital strategy, which boosted their online sales performance by 7X over a five-year period.

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Creative Innovation
Our team optimized Pura Vida’s ad campaigns, using engaging creative assets that resonated with their young, socially-conscious audience, driving both customer acquisition and brand loyalty.

3

Acquisition by Vera Bradley
Vera Bradley acquired a 75% stake in Pura Vida for $75 million, further validating their digital growth and positioning Pura Vida as a premier lifestyle brand.
Your Digital Marketing Partner: Acquisition Experts Since 2005
With nearly two decades of expertise, Sum Digital has become the trusted partner for brands looking to grow and scale toward acquisition. We combine cutting-edge creative with data-backed strategies to help your brand reach new heights, positioning you for both market dominance and acquisition success.

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Proven Success Record
With over 15 years of driving growth for brands across multiple industries, our results speak for themselves.

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Cutting-Edge Strategies
We stay ahead of the curve, leveraging the latest in digital marketing tech and creative innovation to deliver measurable outcomes.

3

Tailored Approach
Every brand is different, and our team works closely with yours to develop strategies aligned with your specific goals and audience.

4

Continuous Optimization
Our commitment doesn’t end with campaign launch. We continually refine and optimize your campaigns to ensure maximum ROI and sustained growth.
Tatcha: Revolutionizing Beauty E-commerce

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Partnership Success
Sum Digital collaborated with Tatcha to elevate their digital presence through strategic, multi-platform campaigns, driving a 10X increase in online sales over five years.

2

Creative Amplification
By leveraging high-impact creative assets tailored to Tatcha’s luxury brand, we enhanced customer engagement and significantly expanded their e-commerce performance across beauty platforms.

3

Acquisition by Unilever
Tatcha’s impressive growth and market dominance led to its acquisition by Unilever for $500 million, making it a landmark success in the beauty industry.
Client Testimonials
Griffin Thall, CEO, Pura Vida Bracelets
"Sum Digital is a TRUE extension of our brand. If it wasn't for them, Pura Vida definitely would not be where it is today."
Garret Akerson, CEO, Kindred Bravely
"Sum Digital is the ORACLE of paid social. The results are 2X what we were getting from our prior agency."
Jenny Robinson, VP eCommerce, Tatcha
"Super responsive listeners and highly transparent doers, Sum Digital is the only DTC ads agency I recommend to others."
Alejandro Chahin, CEO, Mott & Bow
"The most humble no bullshit agency out there. Their sole focus is to drive revenue and ROAS."
Josh Breinlinger, Director of Marketing, oDesk (now UpWork)
"Sum Digital has been a great asset to our company for several years now."
Rich Furlop, CEO, Brooklinen
"Their subsequent specific insights helped us achieve significant, sustained gains in our program."
Cherie McCabe, eCommerce Director, Nûby
"We’ve been able to send them products and leverage their in-house team to create video content which has been some of our top performing content to date."
Quinn Kelly, Marketing Director, Reshoevn8r
"Sum Digital is a rare gem in that they are masters at relationships AND understanding the advertising space."
Jason Thai, Marketing Manager, Rev.com
"Sum Digital has blown away our expectations."
John Lusk, ChefSteps
"Sum D's willingness to listen, to execute and to provide strategic insights is an invaluable asset for any marketing team."
Matt Bautista, Internet Marketing Specialist, 4 Wheel Parts
"These guys are top notch and continue to teach me how to better manage the accounts."
James Czulewicz, Chief Revenue Office, Knowledge Adventure, Inc.
"Not only does the team do a great job at managing the overall process, but they also take the time to educate and inform me and my team."
Kris Farmer, Director of E-Commerce, Razorgator
"Once we said “Go” they were able to quickly hit the ground running and achieved fantastic results in a very short period of time."
Chris Strausser, CMO, ZOPA
"I came to think of Sum Digital as more than just our SEM agency – they really acted as part of our internal marketing team."
Kindred Bravely: Nurturing Growth in Maternity Wear
Comprehensive Strategy
Sum Digital collaborated with Kindred Bravely to create a targeted digital marketing plan, focusing on expectant and new mothers, and driving a 5X increase in sales over three years.
Creative Engagement
Our tailored campaigns used data-backed creative assets to engage the maternity wear market, solidifying Kindred Bravely’s position as a leading e-commerce brand in this niche.
Successful Acquisition
This remarkable growth resulted in Kindred Bravely’s acquisition by TZP Group, marking a significant milestone for the brand in the competitive maternity wear sector.
"We've been able to send the team products and leverage their in-house team to create video content, which has become some of our top performing content to date."
— Cherie McCabe, eCommerce Director, Nûby
Ready to Skyrocket?
Let's discuss how Sum Digital can work together with your brand to drive explosive growth.
Sum Digital, Inc., 240 2nd Street, 2nd Floor
San Francisco, CA 94105, United States
(415) 376-7391 info@sumdigital.com