Revamping Car.co.uk’s Emails with Modern Design

Influize transformed Car.co.uk’s automated email suite, modernizing their outdated system in three months. With mobile-first designs and Customer.io integration, we boosted engagement, brand consistency, and performance, aligning with their refreshed identity.

Overview/Background
Project Essentials
Car.co.uk is a popular UK based digital platform offering a suite of automotive services, including car finance, extended warranties, and insurance quotes from the top UK providers. Their services are all grounded in offering comprehensive motoring guides to empower the public. Importantly, they partner with Recycling Lives Charities, so their revenue supports food distribution, prison training programs always focused on creating measurable social value.
Strategic Aims
Car.co.uk set out to modernize their email suite to reflect updated branding, improve open and click-through rates, and enhance mobile responsiveness. Their goal was to build a scalable, high-performing system that supported stronger customer engagement. By optimizing communication across the entire customer lifecycle, they aimed to create more impactful, user-focused interactions that would drive better results and long-term customer loyalty.

The Challenge
Outdated System
Car.co.uk’s legacy email system was visually outdated, inconsistent, and not optimized for mobile, resulting in poor engagement. The emails didn’t reflect their new branding, leading to a disjointed customer experience and low interaction. This disconnect made it difficult to guide users through key actions, highlighting the need for a comprehensive overhaul to improve both design coherence and overall performance.
Performance Goals
The objective was to rebuild all automated emails for stronger engagement and long-term scalability. This involved auditing customer journeys, implementing a mobile-first approach, and using A/B testing to validate performance improvements. Every update had to align with Car.co.uk’s refreshed brand identity while supporting measurable improvements in open rates, click-throughs, and user experience across the customer lifecycle.

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The Influize Approach
Mapping the Journey
We began by auditing Car.co.uk’s email triggers and customer touchpoints, identifying gaps and engagement drop-offs. This insight guided a mobile-first strategy, ensuring the rebuilt flows would be both scalable and brand-consistent. Leveraging Customer.io’s capabilities, we redesigned the full lifecycle communication to create a seamless, user-focused experience across every interaction.
Design and Build
Our team developed a flexible, modular email design system using custom HTML/CSS, built for optimal mobile performance. These templates were integrated into Customer.io, replacing outdated assets and supporting personalized, trigger-based automation. We conducted A/B testing on key flows to measure impact and fine-tune performance—ensuring the system delivered measurable gains before full deployment.

The Solution
Modern Email System
Influize delivered a modern, brand-consistent email suite tailored for engagement and long-term scalability. Using a modular design approach, we made it easy to update content while maintaining visual coherence. The mobile-first templates ensured a seamless user experience across all devices, helping Car.co.uk deliver clear, impactful communication that aligned with their refreshed brand identity at every stage of the customer journey.
Key Enhancements
We implemented responsive emails featuring clean layouts, strong calls to action, and custom HTML/CSS for quick loading. Integrated within Customer.io, the redesigned automation flows improved deliverability, engagement, and user experience. Every touchpoint was carefully aligned with Car.co.uk’s updated branding, ensuring consistency and maximum impact. A/B testing supported data-driven refinements, reinforcing a scalable system optimized for performance and future growth.

The Results
Engagement Surge
Following the launch, Car.co.uk experienced a noticeable boost in email performance. Users engaged more consistently across devices, supported by low bounce rates and increased open and click-through rates. The refreshed design and mobile-first approach resonated with recipients, driving stronger interaction throughout the customer journey and validating the effectiveness of the new system.
User Approval
User feedback was overwhelmingly positive, highlighting the sleek design, improved mobile usability, and clear calls to action. The consistency with Car.co.uk’s updated branding built trust and reinforced the brand experience. Optimized, trigger-based flows kept users engaged and informed, cementing the email system as a reliable, high-performing channel in their overall customer communication strategy.

Key Takeaways
Data Drives Impact
Car.co.uk’s email transformation highlights how journey audits and data-led decisions drive real engagement. By mapping user touchpoints and rigorously testing new designs, the project achieved measurable success. This outcome underscores Influize’s strength in delivering user-focused, technically sound solutions that not only look great but also enhance performance and align with broader business goals.
Winning Elements
The success of the project stemmed from a mobile-first approach, scalable modular templates, and strong brand alignment. Each email was crafted to meet modern user expectations—clean, responsive, and effective. By combining thoughtful design with performance testing, Influize turned a complex system overhaul into a smooth, high-impact digital experience that delivered real results for Car.co.uk.

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Director’s Praise
Car.co.uk’s leadership praised the transformation, with Director William Fletcher OBE commending Influize’s precision, creativity, and strategic execution. His feedback reflects more than just a visual upgrade—it highlights a modernised email system that enhances user engagement, strengthens brand trust, and aligns seamlessly with Car.co.uk’s mission of delivering value-driven automotive services backed by social impact.
In Their Words
“Influize modernized our emails with stunning, effective designs. The mobile-first approach and seamless Customer.io integration have lifted our metrics significantly. It’s a consistent, powerful upgrade for our brand.”
WILLIAM FLETCHER
CEO, CAR.CO.UK
