Klaviyo Email Marketing Agency

We transform your Klaviyo marketing emails into a powerful growth engine for your brand.

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Emails That Resonate

Our Klaviyo campaigns and flows bring your brand’s voice to life, designed to engage and strategically built to make an impact.

Our Email Portfolio

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Our Process

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Migrate, Setup & Support

Integrating with Klaviyo centralizes your customer data and gives you access to our deliverability and compliance experts as Klaviyo Platinum Master Partners. We streamline ESP migrations, personalize omni-channel marketing, and track real-time performance to ensure sustained, scalable growth.

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Ideate & Implement

Leveraging Klaviyo's built-in CDP, our team creates targeted email flows that guide customers through a data-driven conversion funnel. From welcome sequences to abandoned carts and brand campaigns, we deliver hyper-personalized, targeted emails that keep your brand top of mind.

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Segment & Optimize

At Avex, we amplify your email marketing with smart segmentation, continuous A/B testing, and optimization. Our Klaviyo expertise combines real-time tracking, predictive analytics, and on-brand messaging to boost customer lifetime value, engage VIPs, and drive higher open rates.

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Integrate Tech Stack

Our approach starts with email but extends across a powerful tech stack—Google Ads, Recharge, Gorgias, Yotpo, and more—to maximize customer retention. By sending targeted emails based on customer interactions across your ecosystem, we drive repeat sales and long-term loyalty.

Client Testimonials

Wolf & Shepherd
We really enjoyed working with Avex during our site redesign process and now email marketing. Our main objectives were to improve conversions. I would highly recommend their team to any brand looking to increase their eCommerce sales!
Hope Schneider - Wolf & Shepherd
From our very first engagement with Avex, the design of our email campaigns has been visually stunning and the feedback we get from recipients is universally positive. The Avex team is always thinking of new ways to improve conversion and increase engagement.
Mark Stanczak - Enjoy Life

Let’s work together

Tell us your business goals and we’ll see how we can create something amazing together.

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