If you are an e-commerce company that requires advanced, behavior-driven marketing automation and customer segmentation, Klaviyo is the platform for you.
But to use its advanced features and truly unlock its potential, you need an expert by your side.
We regularly get clients who tell us they didn’t realize they could do something with Klaviyo or that Klaviyo had a specific feature. By using the right Klaviyo agency, you’ll ensure your email campaigns are optimized, personalized, and delivering a high return on investment.
So, we’ve compiled a list of the top 10 Klaviyo email marketing agencies that can help take your brand to the next level.
| Agency | ClutchRating | GoogleRating | Founded | Employees | Location | Specializes In |
| InboxArmy |
4.9* |
4.9* (35 Reviews) |
2016 | 120+ | Grapevine, Texas, USA |
|
| Underground Ecom |
(0 Reviews) |
4.6* (11 Reviews) |
2017 | 150+ | London, Great Britain, UK |
|
| Hustler Marketing | 5* (14 Reviews) |
(0 Reviews) | 2018 | 60+ | Barcelona, Spain |
|
| UN/COMMON Agency |
(0 Reviews) |
(0 Reviews) | 2015 | 45+ | Philadelphia, Pennsylvania, USA |
|
| Andzen |
(0 Reviews) |
4.8* (19 Reviews) |
2014 | 10-20 | Brisbane, Queensland, Australia |
|
| No Limit Email |
5* |
(0 Reviews) | 2020 | 15-30 | Sydney, NSW, Australia |
|
| DIDO Agency |
4.8* |
4.9* (18 Reviews) |
2017 | 25+ | Brooklyn, New York, USA |
|
| Chronos Agency |
4.8* |
(0 Reviews) | 2017 | 80+ | Singapore, Singapore |
|
| The Email Marketers |
5.0* |
5.0* (7 Reviews) |
2017 | 10-50 | Los Angeles, California, USA |
|
| Fuel Made |
5* |
(0 Reviews) | 2000 | 10-25 | Colbert, Washington, USA |
|
1. InboxArmy
InboxArmy is a full-service email marketing agency for all of your email needs—from strategy and template creation to automation, segmentation, and campaign. Our data-driven approach has a proven track record of improving customer retention and driving lifetime value. With a track record of helping e-commerce brands boost revenue, we’re the go-to choice for businesses looking for hands-on Klaviyo expertise.
Clutch Rating: 4.9 (63 reviews)
Google Rating: 4.9 (35 reviews)
Founded: 2016
Employees: 120+
What sets us apart?
InboxArmy stands out due to its extensive experience with Klaviyo’s advanced features. As Klaviyo Silver Master partners, our team comprises some of the industry’s leading email experts. Our ROI-driven strategies ensure that every campaign is optimized for success. We offer SMS and push notification services and serve over 25 industries. With a deep understanding of email deliverability and customer retention, InboxArmy ensures that every email sent delivers tangible results.
You can learn more about our award-winning team and how we help businesses maximize engagement and conversions here, and see what our customers say about us here.
2. Underground Ecom
Underground Ecom is one of the top Klaviyo email marketing agencies focused on maximizing customer retention and revenue. They help e-commerce brands craft compelling email strategies, personalized customer journeys, and high-converting email flows.
Clutch Rating: – (0 reviews)
Google Rating: 4.6 (11 reviews)
Founded: 2017
Employees: 150+
What sets them apart?
Underground Ecom is known for its expertise in scaling brands through Klaviyo email marketing. Their approach is heavily ROI-driven, meaning they prioritize strategies that generate the highest revenue impact. They specialize in personalized email flows and automation, ensuring that every email sequence aligns with customer behaviors and business goals
3. Hustler Marketing
Hustler Marketing is an award-winning email marketing agency known for its data-driven approach to client success. Their young and scrappy team creates email campaigns that have been proven to boost revenue and drive sales.
Clutch Rating: 5 (14 reviews)
Google Rating: – (0 reviews)
Founded: 2018
Employees: 60+
What sets them apart?
What sets Hustler Marketing apart is its deep focus on data-driven email strategies. They perform deep-dives into your analytics to craft personalized campaigns that increase customer retention and lifetime value. Beyond email, they also provide SMS marketing, user-generated content (UGC) ads, and conversion rate optimization services. Their youthful and diverse international team from over 24 countries brings a unique perspective to email marketing.
4. UN/COMMON Agency
UN/COMMON takes a creative and strategic approach to Klaviyo email marketing. They specialize in crafting engaging email designs and automation flows that improve customer retention in highly visual verticals such as the fashion, beauty, and food industries.
Clutch Rating: – (0 reviews)
Google Rating: – (0 reviews)
Founded: 2015
Employees: 45
What sets them apart?
UN/COMMON’s expertise lies in designing visually stunning emails that align with a brand’s unique identity. They don’t just focus on aesthetics—they combine creativity with data-driven strategies to optimize engagement and conversions. As a full-service agency specializing in Shopify services, UN/COMMON provides comprehensive support to brands looking to streamline their email marketing efforts.
5. Andzen
Andzen is the first agency in the APAC region to become a Klaviyo Master Elite Partner and is in the Shopify Plus Partner Program. As such, they understand Klaviyo and e-commerce better than most agencies. Their main focus is helping e-com brands build loyalty and drive revenue through strategic email and SMS marketing. They work with both small businesses and large enterprises to create impactful email campaigns while also providing e-commerce marketing consulting.
Clutch Rating: – (0 reviews)
Google Rating: 4.8 (19 reviews)
Founded: 2014
Employees: 10-20
What sets them apart?
As a Klaviyo Master Elite Partner, Andzen possesses a deep understanding of the platform’s advanced features. They specialize in personalized emails, ensuring every customer is receiving a specially tailored experience. Their experience with e-commerce and direct-to-consumer brands sets them apart from more generalized agencies.
6. No Limit Email
No Limit Email is a results-driven Klaviyo email marketing agency that specializes in DTC brands and customer retention strategies. Their expert strategies and strong creative direction have given their clients an easily apparent upgrade to their emails.
Clutch Rating: 5 (21 reviews)
Google Rating: – (0 reviews)
Founded: 2020
Employees: 15-30
What sets them apart?
What makes No Limit Email unique is how skilled they are in up-leveling the email design of all of their clients. Their creative team brings a strong visual direction to every campaign. Their data-driven approach has led to a proven track record in revenue growth for DTC clients.
7. DIDO Agency
DIDO Agency is known for its performance-focused Klaviyo email marketing services. They have a highly refined client-onboarding process that helps their customers rapidly optimize their email marketing over six months. As Klaviyo partners, DIDO helps e-commerce brands stand out from their competition and drive revenue.
Clutch Rating: 4.8 (6 reviews)
Google Rating: 4.9 (18 reviews)
Founded: 2017
Employees: 25+
What sets them apart?
Their highly optimized onboarding experience helps clients see rapid improvements within six months. As a Klaviyo Master Platinum Partner, they leverage advanced segmentation and pre-built integrations to give their customers advanced data analytics and segmentation.
8. Chronos Agency
Chronos Agency is a Klaviyo Master Elite partner that specializes in increasing customer lifetime value and retention for e-commerce brands. They create tailored retention strategies that drive repeat purchases for their clients and have a strong history of improving ROI and retention.
Clutch Rating: 4.8 (44 reviews)
Google Rating: – (0 reviews)
Founded: 2017
Employees: 80+
What sets them apart?
Chronos’s strength is their data-driven email nurture strategies. They create 100% custom email content tailored to the specific needs of each brand, which helps cultivate long-term customer engagement and growth.
9. The Email Marketers
The Email Marketers is a team of Klaviyo experts who specialize in crafting high-converting email campaigns for rapidly growing e-commerce brands earning 8 or 9 figures. They use AI-driven data to be one of the leaders in retention marketing. Their services include SMS, direct mail, campaign and subscription management, and loyalty programs.
Clutch Rating: 5.0 (4 reviews)
Google Rating: 5.0 (7 reviews)
Founded: 2017
Employees: 10-50
What sets them apart?
Their expertise in high-performing Klaviyo campaigns is driven by two major factors: gathering insights through AI-driven data and utilizing A/B testing to optimize email performance. Their broader service offerings make The Email Marketers comprehensive partners for retention marketing.
10. Fuel Made
Fuel Made is one of the most creative Klaviyo agencies that combine design and strategy to deliver compelling email campaigns. With a strong focus on multiplying ROI, Fuel Made can retain its customers for over six years on average.
Clutch Rating: 5.0 (20 reviews)
Google Rating: – (0 reviews)
Founded: 2000
Employees: 10-25
What sets them apart?
As a Klaviyo Master Elite Partner, Fuel Made has a strong record of client retention and email ROI growth. Their specialization is in email automation and segmentation, helping businesses streamline their marketing efforts.
Final Thoughts
Finding the right Klaviyo email agency can transform your e-commerce business. Whether you need help with automation, customer segmentation, or creative email design, these agencies have the expertise to elevate your email marketing game. If you’re ready to take your email marketing to the next level, start by exploring the agencies on this list and find the perfect partner for your brand.
