After working together for the last eight years, we decided to make it official. Robertson Martin Architects (RMA) with Schoeler & Heaton Architects (s&h) have combined their skilled teams and extensive project experience to form RMA+SH architects.


For more than 45 years, Robertson Martin Architects has distinguished itself as a leader in high-profile, complex projects, working on heritage sites, commercial and residential properties, institutional properties, and interiors.

Schoeler & Heaton Architects has provided architectural consulting services in the National Capital Region since 1958. Over the years, the firm has established a reputation for client service and design excellence, receiving numer­ous design awards for built projects.
Damian Maclellan, architect and principal, started with S&H on Monday October 31, 1988 and 34 years later retired on the same day.


Danica Robertson
is a proven leader with over 20 years as a partner at RMA. She has led several large­scale projects, managing de­sign teams on high-profile, politically sensitive projects. As a LEED AP she prioritizes wellness & environmentally positive choices through an inclusive and integrated de­sign approach.

Robert Martin
has been a principal with RMA for 20 years; his continued curiosity and desire to find the best solution drives his passion for beautiful spaces created with sustainable and durable materials. His forte is multifaceted projects specializing in heritage conservation with CAHP accreditation.

Jonathan Harper
has been a partner with s&h for 14 years. He began his career in England specializing in heritage and sustainability, with an enthusiasm for landscape design. He has applied his extensive experience to lead several complex projects, and continues to be passionate about sus­tainable design.