About Design HQ

Design H.Q. Ltd. is an architecture firm that thinks outside the box. It was established in 1999 and founded by Isiaa Madden, with a vision to create thoughtful, functional, and enduring spaces. From its inception, the firm has been committed to design excellence, innovation, and a client-focused approach.

At the heart of our philosophy lies a firm belief in the profound impact of architecture on our surroundings. We are dedicated to fostering innovation, sustainability, and client-centeredness in all aspects of our work. Through the harmonious integration of form and function, we strive to craft spaces that not only fulfil immediate needs but also leave a lasting legacy, enriching lives and igniting inspiration within communities for years to come.

Four women on Design HQ's team standing in front of a gray background, smiling, dressed in dark-colored clothing.
Professional woman (Isiaa Madden) with short curly hair wearing a black blouse with a bow at the neck, standing against a brown background, smiling with arms crossed.

The CEO

I'm a Jamaican architect and Founder of Design H.Q. Ltd., with over 20 years of experience designing residential, commercial, hospitality, and mixed-use projects. A Howard University architecture graduate, I am passionate about creating thoughtful, well-crafted spaces that respond to both people and place. 

My Name is Isiaa Madden

Our Team

A woman (Isiaa Madden) with short curly hair, wearing a black turtleneck, is smiling at the camera. The background is gray.

Isiaa Madden

A man with glasses, a goatee, wearing a black button-up shirt, standing with arms crossed against a dark gray background.

DuWayne O’Reggio

A middle-aged man with short hair, a beard, and mustache, wearing a blue striped button-up shirt, smiling slightly, against a solid gray background.

Ian Smith

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Shereen Walker

Portrait of a man with glasses, short beard, wearing a black patterned shirt, smiling, against a grey background.

Yohannys Socárras Dervilla

Portrait of a smiling Black woman with glasses, wearing a black blouse, a watch, and a necklace, posing with her arm crossed against a gray background.

Sashagay Marks

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Jessica Njemo

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Carissa Reid

Join Our Team

Mission Statement

We innovate building solutions for diverse sectors, blending form and function to enhance environments and create comfortable spaces that enrich lives, inspire communities, and exceed client expectations.

Vision Statement

We aspire to lead architectural excellence, creating sustainable, aesthetically pleasing spaces that positively impact communities worldwide.

What sets us apart is our unwavering commitment to architectural excellence and innovation. We go beyond traditional boundaries, pushing the limits of design to create spaces that are not only sustainable and aesthetically pleasing but also have a positive impact on the communities they serve. Our relentless pursuit of quality, coupled with our dedication to exceeding client expectations, sets us apart as leaders in the field, shaping a better future one building at a time.

What Sets Us Apart