The science of sending — the art of engagement

SendLab.io was created to give small businesses access to the same quality of email marketing used by major UK brands.

With two decades of experience working on campaigns for Rightmove, Aviva, Barclays, Mazda, and Marks & Spencer, SendLab.io brings big-agency expertise — without the big-agency overheads.

Every project combines creativity with precision: smart strategy, engaging copy, and flawless builds that perform beautifully across every device and inbox.

Big-brand email expertise, built for small businesses

Our approach

• Creative first — every campaign starts with your story, your audience, and your goals.

• Data-driven — decisions based on insight, not instinct.

• Meticulous build — compliant, bulletproof HTML tested across all major email clients.

• Iterate and improve — continuous testing, analysis, and refinement for lasting results.

Why it works

Email marketing is both art and engineering. At SendLab.io, every campaign balances creativity and code — messages that connect emotionally and deliver measurable outcomes.

When you work with SendLab.io, you get an experienced partner who understands how to craft emails that convert — not just emails that look good.

Let’s build something great together

Whether you need a single campaign or a complete email strategy, SendLab.io helps you send with confidence.