Best US JavaScript Development Companies

6 Companies - Rankings updated: September 03, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

United States × JavaScript Development × Other × $10,000 - $25,000 × Clear Filters
  • True Value in Uniqueness

    League Design Agency was created by a designer and a manager with a clear purpose: to solve clients problems right the first time. Since 2017, we have worked with 655+ clients, maintaining an average client satisfaction score of 9.65/10...

    Top Services:

    • Web Design
    • Digital Services
    • Design Services
    • Branding
    • UI/UX Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    30 Projects Listed

    League Design Agency Services

    • Web Design
    • Digital Services
    • Design Services
    • Branding
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • Graphic Design
    • Logo Design
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Logitech
    • Astra Production Group
    • The Eye Health Group
    • Sandosurgical LLC
    • MVI Systems
    • The Smart Fit Method
    • Luxoft
    • Skylark Labs
    • Oro Inc
    • Cirrus Systems Inc
    Data sourced from the agency's DesignRush profile

    League Design Agency Reviews & Testimonials

    • Rhys Williams
      Rhys Williams Head of Growth at HealthSense
      5.0

      Brand Design Review from Rhys Williams

      League were fantastic. They exceeded all expectations & we are super happy with the end result. Their communication, willingness to go above and beyond & dedication they put into their work really stood out. I will definitely be recommending & returning to them with any further work that I need. Great work team!

    • Shawn G.
      Shawn G. Founder & CEO at Eugenius
      5.0

      Web Design Review from Shawn G.

      We went looking for a new company to re-design our website. We have been down this road before and it's impossible to figure out who's the best fit. We interviewed at least 5-10 agency company's and independent contractors. League came out on top with the best vision that we were looking for. Great work, great design, great cost. Overall, very pleased and will continue to do business and follow-up work.

    • Andrew Rymarenko 🇺🇦
      Andrew Rymarenko 🇺🇦 Marketing manager at Logitech
      5.0

      Web Design Review from Andrew Rymarenko 🇺🇦

      Project management was highly collaborative, prioritizing quick feedback loops and structured delivery of design milestones. While all major items were delivered on time, their exceptional responsiveness and flexibility in integrating complex creative feedback was a highlight of the process.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Build, Fix & Scale Digital Products.

    Build Me App builds, fixes, and scales digital products. 20+ products shipped. 5-star rated. MVP Design & Build, AI Integration, Project Rescue, Legacy Modernisation, and more. Projects from $20,000...

    Top Services:

    • Product Design
    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Frisco, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    Build Me App Services

    • Product Design
    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Colibri
    • gSwop
    • Swop Market
    • EMOH Pay
    • McDowall Health
    • CleverHome Assistant
    • Me to You
    • stuDelicious
    • Wellovis
    Data sourced from the agency's DesignRush profile

    Build Me App Reviews & Testimonials

    • Anonymous Anonymous at Anonymous
      5.0

      Mobile App Development Review from Anonymous

      We partnered with Build Me App for two projects: developing clickable prototypes of our mobile application on Figma and creating a mobile application from scratch. Its team, known for high ratings and experience, delivered a prototype that accurately represented our vision. Additionally, the agency successfully designed a pitch deck that met our objectives. For the second project, Build Me App developed a mobile app from scratch, managing design, functionalities, and backend infrastructure, delivering exceptional solutions. We value the agency's expertise, dedication, and professionalism.

    • Nikita Riazantsev CEO at Colibri
      5.0

      Mobile App Development Review from Nikita Riazantsev

      Nikita Riazantsev, CEO of Colibri, collaborated with Build Me App for mobile app development solutions, focusing on flower orders. The project was delivered punctually, meeting expectations. Riazantsev stated that Build Me App's frequent communication, cost-efficiency, and supportive approach facilitated an effective workflow. She appreciated the agency's professionalism and dedication.

    • Anonymous CEO at IT Services Company
      5.0

      Mobile App Development Review from Anonymous

      Build Me App developed a social media mobile application for our IT services company from scratch. Its team handled design, functionalities, and backend infrastructure, exceeding our expectations. The agency was dedicated and responsive and maintained effective communication throughout our project. Working with Build Me App was smooth, and it delivered the project on time.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Denver's Digital Agency Holding a Higher Standard.

    On Time | On Budget | Never Settle...

    Top Services:

    • Design Services
    • eCommerce Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Lakewood, Colorado
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    Never Settle Services

    • Design Services
    • eCommerce Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • PPC
    • Branding
    • Logo Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Princeton Tec
    • Selfbook
    • Modern Huntsman
    • Wanderlust Outfitters
    • Urban Mattress
    • Children's Hospital Colorado
    • Denver Seminary
    • University of Colorado Boulder
    • Greenlists
    • Oura
    Data sourced from the agency's DesignRush profile

    Never Settle Reviews & Testimonials

    • Nathanael Wills
      Nathanael Wills Owner at Outdoor Industry
      5.0

      Software Development Review from Nathanael Wills

      I needed an app for my fishing knot tying tool and I reached out to Never Settle. They are awesome and did an incredible job. They designed the app exactly the way I envisioned it done and it works flawlessly! They were very upfront and honest and stuck to the quote given. I cannot recommend Kenn and his team at Never Settle enough. I will be using them for all my future app development needs and advice on business development!

    • james murray
      james murray President at Parkinglot painting
      4.8

      eCommerce Development Review from james murray

      Amazing team and very knowledgeable. Worked with them on an eCommerce design for a previous company I was with. Plan on utilizing them in the future for different projects.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Transforming Startup Ideas Into Scalable Success

    aPurple is a premier startup app development company, offering mobile app, SaaS, MVP, software, and web development services that transform innovative AI startup ideas into market-ready solutions that drive success...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • AI Development
    • Show more
    Location
    Lakeville, Minnesota
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    aPurple Services

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • AI Development
    • Web Design
    • Wearables
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ride Booking App
    • eCommerce Fashion App
    • Food Delivery App
    Data sourced from the agency's DesignRush profile

    aPurple Reviews & Testimonials

    • Mahil Jasani
      Mahil Jasani CTO at Fikrah AI Commerce
      5.0

      eCommerce Review from Mahil Jasani

      We hired aPurple to build an MVP for our modest fashion e-commerce startup based in the UAE. The team at aPurple understood our vision from day one and helped us turn it into a working mobile app within just 10 weeks. Their process was structured but flexibleperfect for an early-stage startup like ours. They helped us define key features, set realistic milestones, and made sure the MVP aligned with our target audience. Communication was smooth, and their suggestions often added real value to the product. The final app had all the core features we needed to go live and test the market, and it performed well with real users. Thanks to aPurples support, weve now started onboarding suppliers and planning for scale. If you're a startup in the UAE looking to build a solid MVP with speed and quality, Id highly recommend aPurple.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Authentic and beautifully crafted brand stories.

    LightBox is an award-winning, full-service design agency specializing in premium visual identity and branding services for nonprofits. We take pride in delivering exceptional design solutions tailored to enhance the impact and visibility of nonprofit organizations...

    Top Services:

    • Branding
    • Logo Design
    • Design Services
    • Graphic Design
    • Print Design
    • Show more
    Location
    Goshen, Indiana
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    LightBox Services

    • Branding
    • Logo Design
    • Design Services
    • Graphic Design
    • Print Design
    • Video Production
    • Web Design
    • Web Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Goshen Public Library
    • Goshen Health Foundation
    • Mennonite Disaster Services
    • Tolson Center for Community Excellence
    • MennoMedia
    • Church Community Services
    • Lacasa
    • Middlebury Animal Clinic
    • Goshen College
    Data sourced from the agency's DesignRush profile

    LightBox Reviews & Testimonials

    • Joe & Anna Sawatzky
      Joe & Anna Sawatzky Review from Google
      5.0

      Joe & Anna Sawatzky's Review Sourced from Google

      My non-profit worked with LightBox on a very complex project. They listened to us and our partners throughout and tailored the project to meet our needs. The end project was beautiful and thoughtfully messaged to bring about the community change we are looking for.

    • Mindy Morehead
      Mindy Morehead Review from Google
      5.0

      Mindy Morehead's Review Sourced from Google

      We just used them in changing the name of Goshen Interfaith Hospitality Network to First Light Mission. They took the time to really get to know us as an organization and worked hard to come up with a name and logo that speaks of who we are. Amazing company!

    • Joseph Locke
      Joseph Locke Review from Google
      5.0

      Joseph Locke's Review Sourced from Google

      R3 did an excellent job with my website. Rafael was great to work with: patient, courteous, professional, and timely. His design work is top notch and cutting edge.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Innovative Digital Solutions For A Smarter Future

    Rysysth Technologies is a full-service IT solutions provider specializing in web development, digital transformation, and enterprise solutions. We help businesses scale with modern technologies, user-friendly designs, and performance-driven strategies. From custom websites to cloud-based platforms, our team...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000

    Rysysth Technologies Services

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Software & IT Industry
    • Corporate Services Industry
    • eCommerce Industry
    Data sourced from the agency's DesignRush profile

    Rysysth Technologies Reviews & Testimonials

    • Ketul Patel
      Ketul Patel Review from Google
      5.0

      Ketul Patel's Review Sourced from Google

      Blockchain development service company that provides organizations of any size and business domain with blockchain-powered distributed systems. Develop a new blockchain project from scratch or adjust existing solutions with the help of a reliable partners.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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