History and What We Do

4SE, Inc. is a structural engineering firm that was established in 2002 and is located in historic downtown Charleston, South Carolina.  The founders and principals of 4SE, John Moore, PE and Bill Ussery, PE, formerly practiced at Shoolbred Engineers in Charleston and have over 80 years of combined structural engineering experience.  They have been managers of many projects in the Charleston area, all over the state of South Carolina, and the southeast.

4SE has longstanding relationships with many architects and contractors throughout the southeast and are dedicated to helping all of their clients achieve their goals.  We specialize in state-of-the-art analysis, design and building information modeling (BIM), construction management of projects with a collaborative approach, and innovative and creative design solutions.  The detail-oriented philosophy here at 4SE ensures engineering and architectural coordination on a wide range of projects.


New Construction

Existing Buildings

Historic Structures


New construction project services include structural design, drawings, specifications, and construction administration. In addition, services provided for existing buildings include structural assessment of existing conditions and structural design for reuse. Structural engineering services for historic structures include structural assessment and evaluation for structural integrity and recommendations and structural design for repairs, strengthening, renovations, or additions, including stabilization if needed as well as seismic upgrade design. Recent special projects that 4SE has provided structural design services include limb support for the Angel Oak Tree on Johns Island, SC, the Cape Romain Lighthouse, and the design of the boardwalk at the Audubon Center at the Francis Biedler Forest.

Types of projects:

government and institutional buildings, K-12 schools, higher education, office buildings, parking garages, churches, residential, health care facilities, waterfront structures, fire stations, and public safety and emergency operation center buildings