May we introduce ourselves? Happycoding.

We are a technology studio based in Berlin Mitte, specializing in innovative web technologies and contemporary design. Our focus lies in building marketing websites, e-commerce solutions and custom web applications that are both visually compelling and technically top-tier.

We believe in the power of well-crafted digital solutions. Every line of code serves a purpose, every interaction is designed with intent. By keeping a close eye on technological trends and best practices, we create systems that inspire today and endure tomorrow. Our work combines clear design with robust system architecture – delivering digital products that scale with your business and endure in the long run.

Our team combines diverse expertise—from strategy and development to design. Driven by a passion for technical excellence and structured thinking, we craft digital products that don’t just function, but create meaningful and lasting impact.

Take your website to the next level – for more leads, more revenue, and sustainable growth.

By improving user experience, optimizing performance, and implementing a scalable design, our website relaunches help attract more visitors, convert leads, and foster sustainable growth.

Scalable from the start

We design systems to grow – with your company, your goals, and your ideas. Our architectures are modular, extensible, and technologically future-proof. This ensures your digital foundation remains stable, even when everything else changes.

Small enough for close collaboration. Big enough for impact.

We’re a focused team and work senior-first: short paths, clear decisions, and direct communication. That’s how we build digital solutions that aren’t off-the-shelf — but tailored to your business, your stack, and your goals.

Case Tree Energy Solutions

Website Tree Energy Solutions

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Created: September 11, 2025

Last updated: January 12, 2026