Who We Are

SDG Associates was founded in Detroit, Michigan in 1964 by Howard F. Sims, under the name Howard Sims & Associates. After partnering with Harold Varner in the 1980’s, the firm changed to Sims-Varner & Associates. Now, over five decades later, SDG Associates remains headquartered and strong in Detroit. SDG Associates has designed spaces and structures to cultivate business, culture, discovery, and education. We strive for continuous demonstration of our ability to exceed the expectations of clients with high-quality and innovative design, practical and cost-efficient construction, highly experienced administration, and exceptional service and delivery. Since its inception, SDG has provided the following services to its clients:

  • Architecture
  • Program Management
  • Project Management
  • Planning
  • Interior Design

What We Do

SDG has served many markets of architecture over the years, and they include but are not limited to:

  • Higher Education
  • Corporate
  • Civic
  • Cultural
  • Healthcare & Hospitality
  • Aviation & Infrastructure
  • Ecclesiastical
  • Multi-Family & Residential
  • Adaptive Re-Use & Historic Preservation
  • Parking