Premier full-service tenant improvement contractor

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Gateway is now in Denver!

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As tenant improvement specialists, we create exceptional environments that facilitate our clients’ success.

Pokemon office interior in Seattle


Deliberate planning and alignment of scope, schedule, and budget are key to every project’s success. Gateway’s specific tenant improvement processes ensure all principals have a common understanding of vital project components.

Office interior with custom staircase


Gateway’s construction process ensures superior quality and enduring value. Our construction teams are experienced and professional. Clean and safe field sites are of the highest priority while driving schedule and ensuring quality execution.

Office space interior showing rooms separated by glass and wood

Services Division

Gateway Construction’s service division is designed to help you achieve any small improvement throughout the life of the lease. Need to move a wall, remodel a bathroom, or add a kitchenette? Gateway is here to help.

Your Superintendent made all three projects enjoyable and came in at budget and early every time.”

Janet Glaser, Redfin | View Project