Who We Are

We have over 30 years of combined design and content experience. We create fast, affordable graphics and signage that generate immediate interest in your company, business, or organization. We are dedicated to bringing you superior quality and innovative products with personalized hands-on planning, designing, and production.

Sierra Design Signs is a custom sign and graphics shop located in Spearfish, South Dakota. We service the Black Hills and surrounding areas, including: Wyoming, North Dakota, and Nebraska.


Our in-house design experts can create any type of sign you need, whether it is a small directional sign, vinyl logo for a vehicle, or a full-color 100-foot banner. We specialize in not only signage, but graphic design, vehicle wraps, and promotional products.


We have been in the business for over 23 years. We have thousands of fonts to use and over 75 colors of vinyl available. We pride ourselves on quick, dependable and affordable service. Our custom signs, banners, vehicle wraps, and vinyl lettering have graced corporate events, golf tournaments, fundraisers, and music videos!

3206 W. Fairgrounds Loop, Unit A

Spearfish, SD 57783

Mailing Address:

P.O. Box 1214, Spearfish, SD 57783

T: 605-717-1415
F: 605-717-1415


October Through February

Monday - Thursday 8 a.m. to 4 p.m.

Friday 8 a.m. to 12 p.m.

March Through September

Monday - Thursday 8 a.m. to 4 p.m.

Friday 8 a.m. to 2 p.m.



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Some of our clients ...


© 2020 by Sierra Design Signs