Where visionmeets craft
Atlas Design & Build Group Ltd was founded by Mario Katsiris with a clear vision — to deliver building & renovation projects with professionalism, transparency, consistency, and attention to detail.
The company operates across London and Hertfordshire, bringing together practical execution, modern well-planned design thinking, and a strong commitment to quality. From renovations to new build works, Atlas focuses on creating spaces that are functional, durable, and built to reflect the needs of each client.
Our approach is simple. Every project deserves careful planning, honest communication, transparency, and a finished product delivered to the highest of standards. Atlas applies this ethos to every project, no matter how big or small, with a focus on quality, reliability, and client satisfaction.
At its core, the company represents a balanced combination of design, craftsmanship, and reliability. Atlas Design & Build Group Ltd continues to serve clients across London and Hertfordshire with the same focus — building lasting relationships through trust, reliability, and the consistent delivery of high standards.
Mario Katsiris
With a strong foundation in building & renovation and a keen attention to detail, Mario founded Atlas Design & Build Group Ltd to unite design expertise, practical delivery, and a commitment to the highest standards of quality. This approach continues to underpin the company's work across London and Hertfordshire.
What drives us
Quality
The highest standards in craftmanship, materials used, methods, and outcomes on every project.
Professionalism
Structured processes, clear timelines, and reliable delivery from start to finish.
Honest Communication
Clear communication from start to finish, with honest updates at every stage of the build.
Attention to Detail
Exceptional results are built through careful planning, precise workmanship, and attention to every detail.