Looking for a UI/UX design agency in Colorado to enhance your product's usability and customer experience? We curated a list of top agencies after analyzing numerous profiles, verified client reviews, and success stories. Explore our directory and filter the selection by location, pricing, minimum budget, team size, and other criteria to find a partner for your needs.

Best Colorado UI/UX Design Company Rankings

3 Companies-Rankings updated: August 21, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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  • Epidemic Marketing

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    A full service SEO and Web Design Agency

    Since 2009, Epidemic Marketing has been helping businesses thrive in the digital world. As a full service SEO company and marketing agency, we specialize in crafting customized strategies to elevate your online presence. From eye-catching website design to expert search engine optimization, AIO / GEO, and...

    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

    Epidemic Marketing Services

    • SEO
    • CRO
    • Web Design
    • UI/UX Design
    • Web Development
    • WordPress Website Design
    • Digital Strategy
    • Advertising
    • Logo Design
    • Graphic Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Team Dave Logan
    • Trees By Jake
    • The Sliding Door Co
    • Woodhouse Spas
    • Bulletproof Supply Store
    • Man K9
    • Simply Sewers
    • VR Beginners Guide
    Data sourced from the agency's DesignRush profile

    Epidemic Marketing Reviews & Testimonials

    • Tim Cardona
      Tim Cardona Owner at Black Diamonds Mobile Detail LLC
      5.0★

      SEO Review from Tim Cardona

      Noah and his team have been so amazing for my automotive detailing business. I didn’t understand SEO at all but I knew I needed it to grow my business. When I first talked to Noah he wasn’t pushy on selling me anything. Just simply broke everything down for me to understand and made it work for me. He has helped my business stay competitive and on target with SEO and my website! I can’t thank Epidemic Marketing enough it has been over 2 years now I have been with them and I’m glad!!

    • Brian Hong
      Brian Hong Founder at Infintech Designs
      5.0★

      CRO Review from Brian Hong

      Noah is a wealth of information and someone I have the pleasure of working with. He provides extremely actionable insights with conversion rate optimization, as well as advanced SEO techniques that move the needle.We have worked on several CRO campaigns that helped turn more visitors into customers which made our dollar work harder for us and Paid Media campaigns. He’s a true pro and even better human.

    • Marty Marion
      Marty Marion CEO at Master Positioning, LLC
      5.0★

      SEO Review from Marty Marion

      I never leave reviews, but once in a while the work quality is so good I make exceptions.This is one of those times. Noah provided very advanced SEO work for one of my largest clients, fron scratch, finding and fixing SEO technical issues and conversion optimization issues that made a major difference for my client in both organic traffic and conversions.Traffic from search increased more than expected. Conversions to sales increased by about 20% plus an increase in AOV. Combining both an increase in traffic and an increase in conversions and an increase in AOV is nothing short of a home run.I will be channeling more of my clients' SEO and CRO to Epidemic for sure. Great people to work with, awesome results. And I teach digital marketing professionally.Marty MarionCEOMaster Positioning, LLC

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.7 4.7 (4)
    5.0 5.0 (19)

  • Digital Operative

    Full-Service Ecommerce Agency for Data-Driven Consumer Brands

    Digital Operative (DO) is an award-winning, full-service, digital commerce agency with over 12 years of experience in providing innovative solutions to help our clients pursue business growth.We've joined forces with 85Sixty.Our agency capabilities include strategic planning, design, UX, digital...

    Location
    Denver, Colorado
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed

    Digital Operative Services

    • SEO
    • Social Media Marketing
    • Digital Marketing
    • Affiliate Marketing
    • PPC
    • Email Marketing
    • CRO
    • Web Design
    • Package Design
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LifeProof
    • Turtle Beach
    • Injinji
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile
    5.0 5.0 (4)

  • Trepoly

    We Make It Easy To Sell Online

    Trepoly specializes in building high-performing stores on Shopify Plus, BigCommerce Enterprise, and WooCommerce, prioritizing a "mobile-first" philosophy Trepoly ensures seamless conversions across all devices. With over 14 years of experience and hundreds of projects completed, Trepoly provides the technical...

    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $1,000 - $10,000

    Trepoly Services

    • eCommerce Development
    • Web Design
    • UI/UX Design
    • CRO
    • SEO
    • Email Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LuvBuds
    • Sanyork Fair Trade
    • IncaZteca
    • Performance Cycle
    • Flash Tattoos
    • ABC Window Supply
    • Barbara Shaw Gifts
    • Domingo Shop
    • Cardhaus Games
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile

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Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding UI/UX design agencies in Colorado. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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