Founded in 1988, Spectrum Signs & Designs is a family-owned and operated, full service sign company located in Dearborn, MI.  From this centrally located facility, Spectrum designs, manufactures and installs a wide range of exterior and interior signage for businesses, organizations and municipalities throughout Metropolitan Detroit.

With over two decades of experience in the sign industry, Spectrum Signs & Designs has the experience and knowledge to create custom signs that work – signs that will clearly convey your business message and expand your brand.

Spectrum Signs and Designs offers the following types of signs:


ADA, Engraving & Interior Door Signs-




Commercial Real Estate-


Dimensional Logos & Letters-


Directional & Site Signs-


Displays & Event Signage-


Exterior Signs-


Interior Signs-


Prints & Posters-


Vehicle & Window Graphics-


Contact Spectrum Signs & Designs for a free, no-obligation consultation on your next commercial exterior sign.  Call us at (313) 562-4000 or request a custom quote online.  View Spectrum’s Sign Portfolio here.


"Spectrum Sign is the go-to company for all of our custom lettering needs. They are very efficient, knowledgeable, and provide top quality work. We would never think of using anyone else to handle our lettering needs."