SDG Associates

SDG Associates, formally known as Sims Design Group Associates LLC, is an American architecture and design firm headquartered in Detroit, Michigan. The practice was established in 1964 in Ann Arbor by architect Howard Sims as Howard Sims & Associates. It relocated to Detroit in 1968, incorporated in 1969, and subsequently developed through a partnership with architect Harold Varner. The firm operated under the name Sims–Varner from 1976, reflecting Varner’s expanded role as executive vice president, before later adopting the SDG Associates name. The firm’s early development took place within a challenging professional and social environment. Racial barriers restricted access to some classes of architectural commissions, and the practice initially relied heavily on residential work and church projects. Work associated with institutions such as Second Baptist Church helped establish the firm’s credentials and provided a foundation for broader client relationships. Over time, SDG Associates expanded its portfolio and became involved in projects of greater civic and architectural significance in Detroit. One of the firm’s identified major projects is the design of Cobo Center, completed in 1981. The project illustrates the transition from the firm’s early community-based commissions to larger public and institutional work connected with Detroit’s urban infrastructure. SDG Associates is described as both the oldest and largest Black-owned architecture firm in Detroit, giving it a notable place in the city’s architectural history and in the development of Black professional practice in the United States. The firm remains associated with architectural design and related professional services. Publicly available reference material identifies Wesley Sims, Howard Sims’s son, as chief financial officer and chief operating officer in 2019. Detailed information about the firm’s current leadership, ownership, service lines, revenue, employee count, and present project portfolio is not established in the supplied sources.

SDG Associates traces its origins to 1964, when architect Howard Sims founded Howard Sims & Associates in Ann Arbor, Michigan. The firm’s creation coincided with a period when Black architects and professional practices often encountered discriminatory barriers in gaining access to major commissions. According to the available account, these restrictions limited the types of clients and projects the young practice could initially pursue. Residential buildings and churches, including work connected with Second Baptist Church, became important early commissions and helped the firm establish a professional reputation. In 1968, the office moved from Ann Arbor to Detroit. The relocation placed the practice in a major industrial and urban center whose changing built environment would become central to its identity. In 1969, the firm incorporated, with Howard Sims serving as president. The corporate transition marked a step in formalizing the practice as it expanded its client base and pursued more substantial commissions. Architect Harold Varner joined the firm in 1973. By 1976, the organization had changed its name to Sims–Varner, reflecting a new partnership between Sims and Varner. Varner also became executive vice president. This period represented an important organizational development, broadening the leadership structure while retaining the firm’s connection to its founder. As the practice matured, it moved beyond the residential and religious projects that had supported its early years and took on more prominent work associated with Detroit’s civic and institutional landscape. The design of Cobo Center, identified as a 1981 project, is among the firm’s notable commissions. The project helped demonstrate the firm’s ability to participate in large-scale public architecture and contributed to its standing in Detroit’s architectural history. The practice later operated under the name SDG Associates, also described in formal usage as Sims Design Group Associates LLC. It is characterized as Detroit’s oldest and largest Black-owned architecture firm. That distinction reflects both its longevity and its role in the development of Black-owned professional services in the city. Available reference material records Wesley Sims, the son of Howard Sims, as the firm’s chief financial officer and chief operating officer in 2019. Beyond that point, the supplied sources do not provide sufficiently detailed information about leadership changes, ownership, current projects, financial performance, or expansion into other markets.

1. 2019Wesley Sims identified as CFO and COO

   Reference material identified Wesley Sims, Howard Sims’s son, as chief financial officer and chief operating officer.

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2. 1981Cobo Center design

   The firm was associated with the design of Cobo Center, a significant civic and institutional project in Detroit.

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3. 1976Name changed to Sims–Varner

   The firm adopted the Sims–Varner name to reflect its partnership and appointed Harold Varner executive vice president.

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4. 1973Harold Varner joined the firm

   Architect Harold Varner joined the practice, later becoming part of its senior leadership.

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5. 1969Incorporation

   The practice incorporated, with Howard Sims serving as president.

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6. 1968Office relocated to Detroit

   The firm moved its office from Ann Arbor to Detroit, establishing the city as its long-term base.

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7. 1964Firm founded in Ann Arbor

   Architect Howard Sims established the practice as Howard Sims & Associates in Ann Arbor, Michigan.

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A Detroit-based architecture and design practice with a long history of Black ownership and community-rooted work, combining residential, religious, institutional, and civic projects.

• Architectural design servicesProfessional services1964

  The firm’s core activity is architectural practice, encompassing the planning and design of built environments. The available sources do not provide a detailed current breakdown of disciplines, delivery methods, or project scale.

• Residential architectureArchitecture1964

  Residential buildings formed part of the firm’s early project base. These commissions helped the young practice build experience and establish a client network during a period when racial barriers constrained access to some categories of architectural work.

• Religious and community architectureInstitutional architecture1964

  Church projects, including work associated with Second Baptist Church, were among the early commissions linked to the firm. Such projects contributed to its professional foundation and community presence in Detroit.

• Civic and institutional architecturePublic architecture1981

  The firm later expanded into larger public and institutional commissions. Its work on Cobo Center, identified as a 1981 project, represents the firm’s participation in Detroit’s civic architectural development.

1. SDG Associates