Klaviyo Platinum Master Partner
email marketing agency for D2C brands

Klaviyo Email Marketing Partner Agency for Premium DTC Brands

Melusine Studio email design projects

Boost your email performance by 175%

As a Klaviyo Platinum Master Partner, we've spent more than a decade helping D2C brands transform email, SMS and customer data into fully connected retention and revenue channels.

From revenue to retention

We work across the full retention setup through email, SMS, WhatsApp, and loyalty, bringing strategy, campaigns, flows, segmentation, and reporting together to build customer journeys that improve repeat purchase rates.

Uncover key insights into your performance, strategy, setup, and industry benchmarks to refine your strategy for maximum impact.

Experience seamless email and SMS setup, migration, and management for optimal performance.

Align your marketing efforts through tailored campaigns to maximise engagement and drive revenue.

Enhance lifetime value and encourage
repeat purchases with flows that guide your customers through their entire lifecycle.

Improve engagement and deliverability through advanced segmentation, high-converting pop-ups,
and diligent list maintenance.

Custom-crafted copy and visually engaging email designs that resonate with your target market and are optimised for performance across all devices.

Connect with customers at the right moments, using unified data to personalise experiences, boost engagement, nurture relationships and build loyalty.

Maximise campaign effectiveness with detailed analytics, A/B testing, and optimisation, backed by clear, actionable monthly reporting.

Connect with customers via SMS, MMS, RCS and WhatsApp, with personalised messages built around behaviour to drive engagement and revenue.

We connect Klaviyo’s Customer Hub, Customer Agent and Helpdesk to your wider Klaviyo strategy, turning service interactions into retention and revenue.

We use K:Social to turn comments, DMs and tags into subscribers and customer data, then put those signals to work across your flows and lifecycle campaigns.

Composer is Klaviyo's AI Marketing agent tool. We add deeper QA and strategy grounded in your customer data to turn its insights into on-brand work.

Results that speak

Our Klaviyo retention strategies have helped leading ecommerce brands generate significant growth through lifecycle automation, campaign management and customer segmentation.

Average account growth

175%

Revenue generated last year

£33.4M

350%

ROI

Klaviyo Platinum Partner trusted by leading D2C brands

Email designs that convert

Email marketing design for Daniel Wellington watches, jewelry, and best sellers, emphasising perfect pairings with minimalist and modern styles.
A wedding-themed email campaign from Gigi & Olive featuring a bride holding a fan that says "Just Married," with sections for honeymoon, sleepwear goals, and poolside bride, displaying bridal robes, silk eye masks, and a bucket hat.
Email campaign for REFY, a UK-based, high-performance beauty brand founded by influencer Jess Hunt and Jenna Meek, known for viral, minimalist makeup and skincare that enhances natural beauty.
An advertisement page for skin care products featuring a woman applying product to her face, with product images and descriptions, and black banners with white text promoting the brand's eco-friendly packaging and vegan certification.
A summer email marketing design for ninepine, a Stockholm-based studio creating versatile, "active-leisure" clothing that blends the comfort of sportswear with a tailored, professional aesthetic.
Email design example for a supplements brand

Ready to work with a Klaviyo partner agency that understands retention?

Tell us a little about your brand and your current email and SMS setup. Our team of Klaviyo experts will be in touch with next steps.

hello@melusine.studio
London, WC1

Let’s supercharge your growth.