Searching for a usability testing agency that can ensure your products and applications properly function? We evaluated numerous success stories, client feedback, and service scopes to compile a list of the best usability testing companies. Browse our directory and refine your search based on location, area of expertise, budget, and other criteria to find a suitable match for your needs.

Best Usability Testing Companies

321 Companies - Rankings updated: April 04, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

United States × California ×
  • Bridging the gap between Ideas and Reality

    Bridging the gap between Ideas and Reality

    Top mobile app development company that offers cost-effective Android, iOS applications design and development services in USA and India.  [... see all Appventurez Mobitech reviews ]
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Big Ideas Start with SunerGarcia.

    Big Ideas Start with SunerGarcia.

    We are SunerGarcia. We are an innovative digital marketing agency that focuses on building around technology and consumer experience. We build exciting brand experiences for our clients. Our team is a fine assortment of movers and shakers, creatives, designers, planners, tech enthusiast, and all around hard  [... view SunerGarcia profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Local It Support You Can Count On.

    Local It Support You Can Count On.

    Our team of IT experts can assist you with a number of web development, computer, and network related issues. We do it all from website design and creation to virus removal, data backup and system diagnostics, as well as VPN setup and ongoing network support. We have operated in the Coachella Valley for  [... view Palm Desert Geeks profile ]
    Location
    Palm Desert, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Boost Your Business Online With Your Digital Way in the US!

    Boost Your Business Online With Your Digital Way in the US!

    Your Digital Way is the best SEO and web expert in the US. Catering to small to large businesses and doing their brand building. No matter if it's GMB optimization, Youtube SEO, or web design services, we have a huge clientele for them.  [... view Your Digital Way profile ]
    Location
    Alhambra, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Nice, Fast, Affordable Website Packages With Everything Included.

    Nice, Fast, Affordable Website Packages With Everything Included.

    Rocket Ivy is a San Diego based web solutions agency founded in 2017. With a compact team of fewer than 50 professionals, the firm offers all-inclusive website packages that combine design, hosting, maintenance, SEO, and performance optimization. Aimed at startups, small businesses, and content creators  [... view Rocket Ivy profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Fast Forward Innovation

    Fast Forward Innovation

    A full-stack engineering firm with a focus on AGILE product development is called Perfomatix. We support businesses as they innovate, from ideation through go-live and beyond. We serve as an outsourced innovation lab, assisting our clients in conducting controlled trials while using the most recent  [... view Perfomatix Solutions profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
  • Transforming Ideas into Reality.

    Transforming Ideas into Reality.

    Hello, I'm Nick. I'm a designer who excels at making quirky sounds and can talk about surfing endlessly. Currently based in Los Angeles, CA, USA.  [... view Nicholas Tisch profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
  • Transforming Businesses To Reach Their Full Potential

    Transforming Businesses To Reach Their Full Potential

    Transformed Design Inc. helps businesses grow through strategic web design, branding, and digital marketing. We create professional websites and brand identities that strengthen credibility, improve online visibility, and help companies attract more customers. Our work focuses on combining creative design  [... view Transformed Design Inc. profile ]
    Location
    Oceanside, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Committed to Excellence.

    Committed to Excellence.

    With constant communication and content analysis, we are working with clients with the understanding that marketing is a continuous process rather than an overnight success.  [... view Creative Pixel Studios profile ]
    Location
    Glendale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Think Partner, Not Agency

    Think Partner, Not Agency

    Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results.  [... view Acquaint SoftTech profile ]
    Location
    Highland, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Lightning-Fast AI, Cloud & Cybersecurity Solutions

    Lightning-Fast AI, Cloud & Cybersecurity Solutions

    Zazmic has been at the forefront of AI/ML and software development innovation for over a decade. Today, we continue to lead the charge as the Google Cloud Premier partner and a top provider of Gen AI, cybersecurity, and cloud services. Design, architecture, top-tier engineering we have it all.  [... view Zazmic profile ]
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Transform Your Online Presence With Our Expert Website Design Service.

    Transform Your Online Presence With Our Expert Website Design Service.

    Designix is an industry-leading web design and development firm that excels in delivering integrated marketing, IT, and design services.  [... view Designix LLC profile ]
    Location
    Mather, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
  • Digital Transformation Agency.

    Digital Transformation Agency.

    Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your  [... view Appinventors Inc profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • AI-Powered Community of Expert Dev Teams

    AI-Powered Community of Expert Dev Teams

    DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products.  [... view DevTeam.Space profile ]
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Your Dedicated Team for High-Performing Websites

    Your Dedicated Team for High-Performing Websites

    We focus on refining brand positioning and user experience to grow your business online quickly. We'll create your dream website, manage it like pros, and be your on-demand resource for all design needs.  [... view Reciprocal profile ]
    Location
    Ventura, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Crafting Unique Digital Experiences

    Crafting Unique Digital Experiences

    RedTail Web Design delivers custom web development and design solutions built around your unique goals. Focused on creating engaging digital experiences, we work with entrepreneurs, tech startups, creatives, and a wide range of growing businesses.  [... view RedTail Web Design profile ]
    Location
    Fresno, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
  • DESIGN | BRAND | MAKE

    DESIGN | BRAND | MAKE

    Unbox Product Design is an international award-winning, full-stack product development firm based in the San Francisco Bay Area, specializing in industrial design, product engineering, branding, prototyping, and manufacturing.  [... view Unbox Product Design profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $95/hr
    Minimal Budget
    $1,000 - $10,000
  • Think Digital

    Think Digital

    B3NET Inc. stands as a leading web design company, offering personalized website solutions, digital marketing, app development, and AI integration services to small and mid-sized businesses in Dallas, Texas. With roots dating back to 1999, our skilled team is committed to providing responsive website design  [... view B3NET Inc profile ]
    Location
    Santa Ana, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • Strategic marketing. Measurable results. Helping businesses grow and thrive in the digital world.

    Strategic marketing. Measurable results. Helping businesses grow and thrive in the digital world.

    Ashford Creative is a full-service digital marketing agency specializing in Local SEO, Google Business Profile optimization, targeted advertising, web design, and branding/graphic design. We help businesses of all sizes enhance their online presence, attract high-quality leads, and build a strong brand  [... view Ashford Creative LLC profile ]
    Location
    Redding, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Scalable Strategies for Mid & Large Companies

    Scalable Strategies for Mid & Large Companies

    Uprankd is a premium SEO agency helping mid and large companies scale with data-driven strategies. We deliver measurable growth, trustworthy service, and proven results. Partner with Uprankd to dominate search and maximize ROI.  [... view Uprankd profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Mobile App Experiences That Inspire

    Mobile App Experiences That Inspire

    Qodestar is a digital studio focused on building clean, high-performing mobile apps and digital experiences. We partner with startups, growing businesses, and creative teams to transform ideas into intuitive mobile solutions through thoughtful design and development.  [... view Qodestar profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • A Leading Web Design & Development Agency

    A Leading Web Design & Development Agency

    Web Design Mechanic creates clean, custom websites and digital experiences build to match your business goals. "No templates", just thoughtful design and smart development. We also offer digital marketing services like, Search Engine Optimization, Social Media Marketing, Online Reputation Management, and  [... view Web Design Mechanic profile ]
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • A Creative Agency Specializing in Branding & Merchandising.

    A Creative Agency Specializing in Branding & Merchandising.

    Thirty O Nine is a Los Angeles-based branding and merchandising agency. Our team comprises seasoned creative professionals who excel in aiding businesses in the strategic development and promotion of their brands through highly effective merchandising and marketing strategies.  [... view Thirty O' Nine profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
  • Take off Through Results & Grow Your Business.

    Take off Through Results & Grow Your Business.

    Tykio is a result-driven Google Certified Digital Partner dedicated to developing and implementing strategies that effectively convert your target audience, thereby maximizing profits. Our commitment to excellence ensures your business achieves optimal outcomes in the digital landscape.  [... view Tykio profile ]
    Location
    San Jose, California
    Number of Employees
    Under 49
  • Tailored Digital Solutions to Drive Your Business Forward.

    Tailored Digital Solutions to Drive Your Business Forward.

    We understand that every business is unique. That's why we offer a comprehensive suite of services designed to meet your specific needs and drive meaningful results. Whether you want to enhance your online presence, streamline product development, or revolutionize user experience, our team of experts is here  [... view Delphi Tech Consulting profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Web Design And Content Automation Services.

    Web Design And Content Automation Services.

    Our core expertise is building WordPress websites and React Native apps for iOS and Android devices. Our clients include start-ups, non profits and state government. We plan and implement the entire project lifecycle, from UI/UX design to development to testing and seamless deployment.  [... view OPTIWEB profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
  • Designing For Humans And Agents

    Designing For Humans And Agents

    skai.dev is a design and engineering studio building fast, minimal, AI-ready websites and systems. We work at the intersection of human interface and machine interpretation. Using Framer, shadcn/ui, structured data, and performance-first architecture, we create digital systems that are clear, scalable, and  [... view Skai.dev profile ]
    Location
    Glendale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
  • Cutting-Edge Web, Software & AI Development Company

    Cutting-Edge Web, Software & AI Development Company

    TechVerdi a cutting-edge development company offering web, software, mobile app, and AI solutions to create scalable, innovative solutions for businesses.  [... view TechVerdi profile ]
    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Portfolios Count
    1 Project Listed
  • Digital Marketing For Small Businesses

    Digital Marketing For Small Businesses

    PX Media is a full-service digital marketing and creative agency based in Pasadena, California. With 24 years of experience, the agency delivers tailored solutions across web design, SEO, PPC, branding, content marketing, and managed hosting. Known for its emphasis on transparency and results, PX Media  [... view PX Media profile ]
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Take the World at new Level

    Take the World at new Level

    Masters Development Network and Solutions (MSDN Solutions) is a Web Development and Marketing company providing Web and Software Services, Graphic Design and Printing Solutions, and all Marketing needs to enterprises and more specifically to startup companies across the world.  [... view MSDN Solutions, INC. profile ]
    Location
    Thousand Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
  • Transform Customers Into Fans

    Transform Customers Into Fans

    Niftic Agency is a creative powerhouse that transforms customers into devoted fans. We focus on human-centered strategies and specialize in brand strategy, branding, CRO and custom web and application development. Our goal is to create experiences that foster long-term loyalty and deliver exceptional results.  [... view Niftic Agency profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000
  • We Elevate Brands From Good to Great.

    We Elevate Brands From Good to Great.

    At AlphaSquad Technologies, we transcend mere development to craft transformative digital experiences. With unmatched proficiency in Web Development and Mobile Application Development, we pave the way toward an innovative, digitally evolved landscape. Our specialization lies in pioneering Website Design  [... view AlphaSquad Technologies profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Passionately Strengthening Brands To Stand Out

    Passionately Strengthening Brands To Stand Out

    At Minor Change Studio, we specialize in brand transformation. There are no shortcutsour dedication lies in crafting unique brand identities. From strategic planning to meticulous development, we are fully committed to elevating brands to their fullest potential.  [... view Minor Change profile ]
    Location
    Vacaville, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • Evolving Brands Through Design & Technology

    Evolving Brands Through Design & Technology

    Hakuna is a global design company dedicated to shaping human digital experiences by infusing our partners with creativity, innovation, and efficacy.  [... view Hakuna profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
  • Better Outsourcing

    Better Outsourcing

    Hamedia is comprised of highly trained individuals who are experts in their respective fields. We take great pride in our ability to provide our clients with the best talent available. Whether you need sales professionals, marketing experts, or customer service representatives, we have team members who can  [... view Hamedia profile ]
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $7/hr
    Minimal Budget
    $10,000 - $25,000
  • We Create For People and Orgs Preoccupied With Building Great Brands

    We Create For People and Orgs Preoccupied With Building Great Brands

    At Mali & Friends, we are more than just a design and development agency. We are partners in your journey towards success. We are excited to collaborate with you, understand your goals, and leverage our expertise to bring your vision to fruition. Together, let's create solutions that inspire, engage, and make  [... view Mali & Friends profile ]
    Location
    Long Beach, California
    Number of Employees
    Under 49
  • Don't Just Be Sure, Be Sycosure

    Don't Just Be Sure, Be Sycosure

    We're a family-owned company in Southern California that strives to provide effective online marketing solutions and business processes that we tailor for the individual needs of each business.  [... view Sycosure profile ]
    Location
    La Quinta, California
    Number of Employees
    Under 49
  • Design With Empathy, Built for Healing

    Design With Empathy, Built for Healing

    A trauma-informed UX research and design consultancy that works specifically with youth. We'll help you research and design with youth, as well as help with your youth advisory board.  [... view Dr. G's Lab profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
  • Software Engineering Design Results.

    Software Engineering Design Results.

    Our expertise lies in the orchestration and direction of software engineering teams, meticulously crafting custom solutions tailored to the unique needs of our clients. We specialize in the biotech, life science, and healthcare sectors, and we leverage our deep domain knowledge to deliver cutting-edge  [... view WebMovement LLC profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
  • Let's Build Tomorrow Together.

    Let's Build Tomorrow Together.

    We are a brand and software development agency specializing in building eCommerce, iOS, and feature-rich websites and apps that move your business forward.  [... view Badpixel profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $10,000 - $25,000
  • Your Startup's Design Department.

    Your Startup's Design Department.

    NUMI matches startups with vetted, high caliber designers. We cover all your design needs under a single subscription. Get connected with world-class designers, ready to embed on your team today.  [... view NUMI profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering Businesses Through AI- Driven Digital Transformation

    Empowering Businesses Through AI- Driven Digital Transformation

    Brightter is a global AI-driven digital transformation company based in San Francisco. We have partnered with forward-thinking businesses for over a decade to create exceptional digital experiences. Our expertise spans AI transformation, brand strategy, website development, web applications, and search engine  [... view Brightter Inc. profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
  • Building Websites, Crafting Apps, Empowering Your Digital Future.

    Building Websites, Crafting Apps, Empowering Your Digital Future.

    We specialize in creating custom websites and applications that drive innovation and enhance user experiences. From sleek, responsive designs to powerful, user-friendly apps, we bring your digital vision to life with precision and creativity.  [... view FZHP Global Vision profile ]
    Location
    Ontario, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    Under $1,000
  • Unlimited Graphic Design & Web Design. Flat Monthly Fees.

    Unlimited Graphic Design & Web Design. Flat Monthly Fees.

    Make unlimited graphic design and Web Design with unlimited revisions. Save time and money with a dedicated design team.  [... view Uxocean Agency profile ]
    Location
    Malibu, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $21/hr
    Minimal Budget
    $1,000 - $10,000
  • Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Custom Software that Actually Works the Way You Do  [... view Lukasa profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • Branding, Design and Development

    Branding, Design and Development

    Lightspace is a design and development agency located in beautiful San Diego, California. providing quality marketing services for anyone needing them. From small businesses to large corporations.  [... view Lightspace profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
  • Connecting Businesses to Their Ideal Clients.

    Connecting Businesses to Their Ideal Clients.

    Egility Digital Marketing is a Fresno California based full service marketing agency that specializes in helping small to medium sized businesses get the online visibility they deserve. We do this through mobile first, high converting websites that Google loves, comprehensive SEO services, and performance  [... view Egility Digital profile ]
    Location
    Clovis, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Enhance Your Companys Online Identity.

    Enhance Your Companys Online Identity.

    OooWee Business Solutions, founded in 2024 and based in Stockton, California, is a boutique digital marketing and software development agency serving small to midsize businesses. The firm delivers full-cycle solutions including account management, SEO, custom web and mobile apps, AI-powered lead generation  [... view OooWee LLC profile ]
    Location
    Stockton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Global Award Winning UX UI Design Company

    Global Award Winning UX UI Design Company

    At Onething Design, our focus is on excelling in a singular domain. Renowned for our exceptional expertise in UX UI design services, we were honored with the Best Design Agency award in 2022. However, it's our enduring passion for design and the praise received from our clients that drive our continual  [... view Onething Design profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed

About The Author and Expert Reviewer

Robert de Wit has a diverse background in advertising, marketing, IT, and healthcare. With a history as both a copywriter and a video game journalist, he specializes in SEO, long-form content creation, and crafting compelling copy that drives results. Currently, he writes about website and interface design at DesignRush, delivering the latest industry insights and analysis.

Branko Dimitrijević is a multifaceted creative and a recipient of 33 design awards. Throughout his 12-year career, he has delivered over 165 web design projects, showcasing his expertise in website optimization, UI/UX design, logo design, and video animation. He is now dedicating his talent and skills to being one of the creative geniuses at DesignRush.