Want emails that actually get opened and drive sales? Here's how a Klaviyo agency can make it happen.
Email marketing has always been one of the most reliable ways to stay connected with your customers. Done right, it builds loyalty, keeps people coming back, and, what we all want, drives sales. For ecommerce brands in particular, it’s one of those channels that quietly delivers results time and time again, especially when campaigns feel relevant and personal.
Surprisingly or not, there’s a lot more to email marketing than just sending a newsletter or plugging content into a template. To really get results, you need strategy, creativity, and the right tools behind you.
That’s where Klaviyo comes in. It’s a platform designed specifically for ecommerce brands, with smart automation, clever segmentation, and personalisation that actually feels personal. The only problem? Having the platform is one thing, knowing how to get the most out of it is another.
That’s why so many businesses turn to a Klaviyo email marketing agency. With the right partner, you can access everything Klaviyo has to offer and create email campaigns that actually get opened, read, and acted on.
Here are five reasons why working with a Klaviyo agency could be one of the best decisions you make for your business this year.
Klaviyo is packed with features such as; automation flows, templates, and integrations with ecommerce platforms like Shopify, Magento, and BigCommerce. But the real value comes from knowing how to set it up properly. A Klaviyo agency has the expertise to configure your account, connect your store, and ensure deliverability from day one.
Agencies don’t just plug things in, they build a strategy. They’ll design automated campaigns like welcome emails, abandoned cart flows, and post-purchase sequences that increase engagement and conversions. With the right implementation, automation becomes one of the most effective ways to grow revenue and keep subscribers coming back.
Strong email marketing campaigns don’t happen by chance. A Klaviyo agency has a creative team that understands copywriting, content, and branding. They’ll design emails that reflect your brand while focusing on conversion, whether that’s sales, sign-ups, or another business goal.
Agencies also know the best practices for newsletters and promotional campaigns, balancing design with strategy so your emails actually perform rather than just look pretty. By combining data insights with creative execution, agencies ensure every campaign has a clear purpose, targeted audience, and measurable impact.
Personalisation is one of Klaviyo’s biggest strengths. With advanced segmentation, you can target specific groups of subscribers based on purchase history, behaviour, or preferences. A Klaviyo agency knows how to use these tools to craft highly relevant campaigns that increase engagement, boost trust, and drive retention.
For example, a wellness brand might send personalised recommendations based on past purchases, while a beauty ecommerce store might target customers with seasonal product launches. By tailoring campaigns in this way, agencies turn generic emails into experiences that feel unique and valuable.
The most successful email marketing campaigns don’t just launch and stop, they evolve. A Klaviyo agency will track performance using analytics and metrics like open rates, click-through rates, conversions, and ROI. From there, they’ll optimise campaigns with A/B testing, content tweaks, and refined targeting.
Agencies also monitor deliverability and make sure subscribers are receiving your emails. With clear insights into what’s working (and what isn’t), they help businesses make data-driven decisions that improve overall performance. This process of optimisation ensures your email marketing strategy isn’t static but continually moving toward better results and higher growth.
Hiring a Klaviyo agency isn’t just about short-term wins. It’s about building a long-term partner relationship that supports your business growth. Agencies act as an extension of your team, offering services that go beyond emails, from sms marketing to branding support and even wider marketing strategy.
They help you think bigger, with things like how email integrates with your other platforms, how newsletters strengthen retention, how segmentation builds loyalty, and how optimisation across campaigns leads to consistent growth. With a proven track record and experience across industries, the right agency becomes a trusted partner, guiding your brand toward long-term success.
A Klaviyo email marketing agency gives you the tools, strategies, and expertise needed to unlock the full power of one of the most advanced email marketing platforms available today. From setup and automation to segmentation, personalisation, and campaign optimisation, they deliver the kind of results businesses need to grow.
Whether you’re in ecommerce, wellness, beauty, or any other industry, working with a Klaviyo agency means your campaigns are backed by experts who understand branding, design, analytics, and engagement. With the right partner, you can build solid email marketing strategies that drive conversions, improve retention, and maximise ROI.
If your brand is ready to elevate its email marketing, a Klaviyo agency like us could be the solution that turns potential into measurable success. Get in touch here.
Our mission at Frosted is to turn one-time buyers into lifelong customers. Retention is at the heart of sustainable growth. We help brands build lasting relationships, maximize revenue, and reduce reliance on paid ads – because keeping customers should be just as important as acquiring them.
Frosted Limited,
157 Compton Street,
Atherton, Manchester,
M40 0SU