Welcome to DENNIS! Based in Portland, Oregon, USA, we’ve been designing uniforms and uniform programs for nearly a century. We’re proud to partner with schools and families as they work to bring their educational vision to life.

Learn more about our company

Our Brand Promise:

DENNIS makes school uniforms easy.

Our Mission: To make it easy for schools to design and maintain best-in-class uniform programs that meet their goals and values, while providing families with seamless shopping experiences for high quality and comfortable uniform products that students deserve.



What we value

Simplicity. Trust. Focus. Reliability. Leadership.


For over 100 years, our guiding principles begin and end with schools and families. Partnering with DENNIS guarantees best-in-class products, service and online shopping - it’s our promise to you.


We value:


How we live it: Make It Easy. 


Simplicity is our true north. From design to selection, purchasing to the first wear, we strive to make every experience effortless.


We value:


How we live it: Earn Trust.


Through transparency, reliability and consistency, we dedicate our efforts to earning trust from every school and every family.



We value:


How we live it: Dedicated To Our Core.


In an industry where brands compete for attention, we stay focused on delivering top-quality uniforms and best-in-class service.



We value:


How we live it: Quality You Can Depend On.


From innovative fabric to detailed improvements, every product is tested for durability and backed by our guarantee.

We value:


How we live it: Listen. Learn. Lead.


Our top priority is listening to, learning from and staying aligned with every school’s objectives and every customer’s expectations.

Our History:

DENNIS Uniform turns 100!

Established in 1920 in Portland, Oregon, 2020 marked a century of expertise for DENNIS Uniform. Our mission? Designing top-quality school uniforms from superior fabrics while delivering best-in-class uniform programs. DENNIS has earned the title of uniform expert – we’re celebrating this milestone and keeping that title for the next hundred years.



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