If you’re not working with a qualified email marketing company yet, then you’re missing out on a large percentage of your marketing potential. We have a separate blog on the benefits of email marketing to help you understand why you need such services.
Here we will talk about more specific companies that are partners of Klaviyo and use it for email marketing. Klaviyo is a professional, highly reputable, and widely used software. If you want to work with a vendor that uses this software, the following information is for you.
Top Klaviyo Email Marketing Agencies
First, let’s take a brief look at these companies. In this list, we have indicated the year they were founded so that you can get a superficial idea of their experience. The location of the headquarters in case a local company is important to you. Last but not least, the services in which these companies specialize best.

1. Flowium

Flowium is a full-service Klaviyo email marketing agency. Our mission is to deliver high-impact email and SMS marketing for every brand we work with to maximize engagement and repeat purchases of our clients’ brands. The Flowium team are experts in their field, whether it’s copywriting, design, brand strategy, or Klaviyo software, we have one goal—to achieve the best results.
Employees: 50-250
Services:
- Klaviyo account set up
- Full email marketing strategy
- SMS marketing development
- Campaign content calendar
- Copywriting that fits your brand
- Design optimized for mobile
- Technical setup and regular maintenance
- Continuous testing and optimization
Pricing
Our prices are reasonable and affordable, and we also offer custom plans that will suit all clients according to their own requirements. If you want to get a better idea of the market prices, you can check out our full guide to email marketing pricing.
Why choose Flowium
Here at Flowium, we offer a full suite of services, including performance analytics and campaign management. The results of these services are increased customer loyalty, improved user engagement, and most importantly, increased revenue.
2. Chronos Agency

Chronos is one of the lifecycle top Klaviyo email marketing companies that helps eCommerce brands increase their performance through email, SMS, and push marketing. Through their database-driven marketing strategies, they are able to increase the total online revenue of e-commerce businesses by almost half.
Employees: 50–250
Services:
- Email marketing and automation
- SMS marketing
- App and web push marketing and automation
- Social media management
- Shopify store web development
- Performance creatives
Pricing
Like most email companies that develop a customized plan specifically for each client, Chronos does not have an official price list. However, from open sources such as Clutch, we know that the price of a minimum project is about $10,000.
Why choose Chronos
Clients choose Chronos for its high ROI and revenue growth. This is proven by a large number of reviews that emphasize the following improvements as a result of Chronos’ efforts.
3. YOCTO

YOCTO is an email, SMS, direct mail, and mobile marketing company that works with fast-growing, consumer-focused brands. The main reason behind their growth and development is that the way they work is structurally and philosophically different from other agencies. As they claim, the results and case studies they produce are unparalleled in the industry, and to check this out you can check out the resources section of their page and find out personally.
Employees: 50+
Services:
- Next-level CRM strategy
- SMS marketing
- Done-for-you copywriting and design
- SMS account set-up
- SMS consent collection
- SMS campaigns
- Ongoing optimization
Pricing
They have no specific price list. However, they conduct interviews and diagnostics for free. They charge for strategy development, implementation, optimization, and finally advisory services.
Why choose YOCTO
The main advantage of YOCTO is a new-level CRM strategy for fast-growing DTC brands. Speaking about their experience, they have already launched more than 200 e-commerce products.
4. Retention Commerce

Retention Commerce works completely with Shopify and email marketing with Klaviyo. 100% of their focus is on Klaviyo implementation and optimization. With the help of their own strategies, they are able to automate 50% of your sales.
Employees: 40+
Services:
- Flow automation
- Template design
- App integration
- Migration
- Campaign management
- Retargeting ads
Pricing
Retention Commerce is a company in the early stages of its rise and has little recognition yet. This is a plus, as it means that they work specifically for you, and not according to a template like some experienced companies. However, they have already worked with companies of various sizes and created special pricing plans for them.
Why choose Retention Commerce
With Retention Commerce, you’ll receive specialized automated email campaigns to restore abandoned carts, cross-sell, drive repeat purchases, increase lifetime value, optimize discount offers, and much much more.
5. Hustler Marketing

Hustler Marketing is a qualified, high-performing, marketing company with multiple awards, which helps you increase the lifetime value of your customers with a complete, tailored email and SMS marketing service. In 2023, they generated over $100 million in revenue for clients from email marketing alone. Most of their clients notice an increase in open and click-through rates, a reduction in spam, and a noticeable increase in revenue within just 2-3 months of working with them.
Employees: 50–250
Services:
- Email marketing and automation
- SMS marketing
- Done-For-You campaign
- Account manager
- Designing
- Copywriting
- Optimal integration
Pricing
As in other firms, the pricing is custom, but the offer for such services as strategy, design, copywriting, and management starts at $2000. It’s also worth noting that during the BFCM period, discounts may apply, where these services will cost only $999.
Why choose Hustler Marketing
Choose Hustler Marketing because more than 100 e-commerce stores recommend their services for scaling business with integrated customer retention marketing. They’ve helped a lot of similar stores generate an average of 27% more revenue. They offer a done-for-you service from strategy and design to implementation and reporting.
6. Tequila Sunrise

Tequila Sunrise has been professionally engaged in DTC 360 lifecycle marketing and customer retention for many years. During these years of their work, more than 500 ambitious DTC companies have benefited from their help in increasing LTV, AOV, and overall revenue. According to their clients, reports indicate an average increase in email revenue of 963.76% after working with Tequila Sunrise, as well as an approximately 18x increase in email cost recovery.
Employees: 11–50
Services:
- Email marketing
- Targeted SMS marketing
- Deliverability and optimization
- Brand-Specialized Copywriting
- Niche-Specialized Design
- Project Management
- Storefront Integrations
- Tech Partnerships
Pricing
The company does not disclose prices on its website, which indicates an individual approach to each client, especially in projects. However, we know that Tequila Sunrise Agency’s price range starts from $450 to $500 per email on average. In the field of email and SMS marketing, the price of packages ranges from $4000 to $7000.
Why choose Tequila Sunrise
They’re chosen for their ability to simplify the process of segmentation, A/B testing, or integration and increase your customer’s lifetime value. They can also solve your delivery problems, analyze performance metrics, and increase conversions.
7. DIDO Agency

DIDO provides its services to e-commerce companies around the world. Their database-driven marketing techniques and cross-industry expertise allow completely different e-commerce organizations to increase their total online revenue. Through paid advertising, they can help you connect your brand with your audience.
Employees: 10–50
Services:
- Audit
- Email marketing
- SMS marketing
- Cold emails
- Lead generation database
- Copywriting
Pricing
Monthly packages of the DIDO cost from $3000 to $5000. This price is indicated by the company in the partner program section. They also note that for bringing new clients to them there is a reward that depends on the tariff plan and services that the company chooses.
Why choose DIDO
DIDO is a choice because each of its marketing campaigns is tailored to meet the client’s needs to solve the biggest marketing challenges, using the best practices and latest innovations in digital marketing.
8. No Limit Email

No Limit Email is one of the few specialists able to create targeted campaigns for email marketing. Their emails drive business growth and increase conversions. The firm prioritizes long-term relationships with clients to go the whole way with them in improving relationships with customers. Their services are customizable to help clients’ brands thrive.
Employees: 10–50
Services:
- Email automation
- Email marketing
- Strategy campaign
- Supplement marketing
- Campaigns
- Shopify marketing
- Skincare email marketing
- Copywriting
- SMS campaigns
- Retention marketing services
- Beauty brand email marketing
Pricing
Pricing is confidential. However, the smallest cooperation can cost under $10,000. Although the company still insists on long-term relationships and extended services because, as with most similar companies, the benefits of services do not come immediately, the total amount of interaction may increase.
Why choose No Limit Email
The advantage for which No Limit Email is chosen is effective project management. Clients consistently note the company’s excellent quality project management skills, timely delivery, and responsiveness.
9. &BAM

&BAM is one of the best email marketing companies. The company uses all of its accumulated experience in its full-service email and SMS marketing methods which prioritize individualized client relationships. &BAM has a lot of experience with a wide variety of platforms but is especially known for its Klaviyo expertise.
Employees: 10–50
Services:
- Complete email marketing
- SMS loyalty marketing strategy
- Copywriting
- Design
- Technical services
Pricing
&BAM works with Klaviyo but does not have any specific pricing information on its website.
Why choose &BAM
&BAM is about generating excitement with your email and SMS marketing campaigns. This approach will help your business grow creating a loyal customer base.
10. Andzen

Andzen is the right vendor for those who are looking for an experienced partner to improve your customer journey, increase revenue, and achieve higher results.
Andzen is a certified leader in many areas. Such areas include CRM, marketing automation, and customer experience optimization.
Employees: 10–50
Services:
- Customer journey strategy and consulting
- MarTech integration and platform migration
- Marketing automation flows
- Campaigns
- Data capture strategy, design, and build
- Loyalty program strategy, design, implementation, and integration
- Review platform implementation and integration
- Advanced database segmentation
- CDP migration and setup
Pricing
On the FAQs page of the firm, it is stated that the prices are individual and depend on the scope of work. The volume may vary depending on the strategy you choose for each module of the path.
Why choose Andzen
Andzen notes that the difference between them and other agencies is that they are masters of their field. They work with email marketing platforms every day and use all the knowledge and experience they accumulate to stay ahead of the competition and offer more than other firms.
11. Zettler Digital

Zettler Digital is a trusted partner in marketing, customer relationship enhancement, and website optimization. They are certified as Shopify Plus, Meta Business, and Google Partners. Zettler Digital has been in business for over a decade and has worked with over 400 companies in a wide variety of product and service areas.
Employees: 10–50
Services:
- Email and SMS Marketing
- Advertising management
- Website design and CRO
- Social media
Pricing
Heatmap.com indicates that the price of working with Zettler Digital starts at $5000. You can find out more specific amounts by contacting them yourself.
Why choose Zettler Digital
Zettler Digital prides itself and stands out for its personalized solutions in performance marketing, customer relationship management, and website optimization. These features enhance your brand’s online presence.
12. Mineral.io

Mineral.io offers a full range of marketing services to maintain and preserve customer relationships that go beyond post-contact. They offer out-of-the-box programs to tailor partners’ needs to meet their business goals.
Employees: 10–50
Services:
- Custom creation
- Email marketing strategy
- Campaign management
- Analytics and reporting
- Lifecycle automation
- List growth and segmentation
- ESP vendor management
- Deliverability health
Pricing
On the company’s website, in the contact section, there is a panel dedicated to FAQs, where they state that their packages start at $3,500, although clients mostly hire them on a monthly commission.
Why choose Mineral.io
The firm has highlighted its difference by delivering an extremely effective email strategy since 2014. Mineral.io is a company that will help you review your program or maximize your results, accompanying you every step of the way.
13. Polaris Growth

Polaris Growth helps partners increase customer lifetime value and business growth through their services. They specialize in Klaviyo and all of its integrations as well as campaign automation, conversion rate optimization, and customer value optimization (CVO).
Employees: 10–50
Services:
- Webshop optimization
- E-commerce strategy
- Data and reporting
Pricing
Specific pricing information is not publicly available and is also unavailable on their website. For detailed pricing information tailored to the amount of your requirements, it is best to contact them directly.
Why choose Polaris Growth
By knowing when and what to do, the agency has helped many e-commerce entrepreneurs find their way to growth. Polaris Growth understands that development happens through its partners’ own media channels. That’s why they only deal with Klaviyo, CRO, and CVO.
14. Magnet Monster

Magnet Monster will help you unlock the true profitability of your e-commerce. They will help you achieve this by maximizing the lifetime value of your customers using email and SMS marketing, direct mail, and push notifications, all to increase your revenue growth.
Employees: 10–49
Services:
- Email marketing
- SMS marketing
- Direct mail
- Push notifications
Pricing
The company does not provide specific details on pricing, which is quite common among companies that provide customized solutions for clients’ needs. To get accurate pricing information, contact the company through their website to discuss your requirements and get a personalized quote.
Why choose Magnet Monster
The firm’s strategy team is made up of seasoned e-commerce veterans who know the system inside out. They understand that you need to consider your unique cost-effectiveness first, and only then come up with a marketing strategy to retain customers. The strategies they create both increase the lifetime value of the customer and provide the best customer journeys. Magnet Monster sees campaigns as more than just a sales channel.
15. Homestead

Homestead Studio is a leading developmental marketing vendor specializing in customer acquisition and retention services. Their team of experts develops individualized solutions customized to unique brands, ensuring clients thrive in the ever-changing digital environment.
Employees: 10–50
Services:
- Paid social
- Email and SMS
- Paid search
- Landing pages
Pricing
Pricing information is not noted on their website as their offers are tailored to the individual needs of clients. To get a quote related to your customized proposal or to inquire about pricing in general, you can contact them through the contact page on the website.
Why choose Homestead
Homestead Studio states that entrepreneurship is in their DNA. Members of their team have run their own businesses in the past, which is why the agency is well-versed in the day-to-day challenges of scaling a business. This experience fuels their passion for helping brands grow profitably and succeed. Any challenges associated with developing, launching, or growing e-commerce brands only motivate the team.
How to Choose Out of the Best Klaviyo Email Marketing Agencies?
To find the right company for you, start with:
- A list of goals that you expect a partner company to achieve
Once you have a plan of desired results, you can:
- Compare companies by the services they are best at to choose the firm that provides the most relevant ones
After collecting a certain number of the most suitable companies, you can start:
- Contact them directly or evaluate them in more depth
When contacting them, you should ask:
- How the firm measures the success of its projects. This is important since the measurement method they use will determine the outcomes of their services.
When it comes to researching the company in-depth, you can:
- Look at the section with the agency’s past projects or testimonials. This will tell you the kinds of projects and campaigns that the firm excels at.
Conclusion
Cooperation with one of the best Klaviyo email marketing companies is definitely a must, therefore, if you choose one, choose it with a professional approach.
However, before you consider a large number of different companies, pay attention to us, Flowium. Our team is experienced specialists in working with Klaviyo software, while our services are extensive and professional. Contact us to get more details you need.
FAQ
What is an email marketing agency?
This is a service that provides a range of options related to email marketing, including account audit, campaign strategy, content development, copywriting, template design, and automation development.
What is the best email marketing company?
Flowium agency is one of the leading email marketing specialists that produces revenue growth. Each member of the Flowium team is an excellent professional in their field. You can trust our experts to achieve significant results in the form of increased sales and increased engagement.
How much do the services of an email marketing agency cost?
The price of services varies between $2,500 and $10,000 per month. The amount can be higher, depending on the company’s own price and the number of services you need.