Searching for web development companies in the US with Reactjs expertise? DesignRush is the platform trusted by Fortune 500 brands to find top service providers. With over 1M monthly visitors and 40,000+ vetted agencies, we ensure you connect with the best. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best US React.JS Development Companies

3 Companies-Rankings updated: September 03, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

United States × React.JS × Home & Garden × $25,000 - $50,000 ×Clear Filters
  • Experts at Your Service

    Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Florida City, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed

    Alt Digital Services

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Boeing Co
    • Etisalat
    • Neiman Marcus
    Data sourced from the agency's DesignRush profile

    Alt Digital Reviews & Testimonials

    • Undisclosed
      Undisclosed Product Manager at Aerospace Company
      5.0

      Web Development Review from Undisclosed

      It is a feeling of both ecstasy and pride to know that all these years of hard work from our team has delivered a website which is delivering a powerful experience designed to meet the needs of our distribution customers. I am proud of our team's effort and also to be a part of this team.

    • Undisclosed
      Undisclosed Product Owner at Manufacturing Company
      5.0

      Software Development Review from Undisclosed

      You guys are one of the most wonderful people to work with. And most supportive, hardest working. We couldn’t have done what we’ve done in the past 2+ years without this team. Don’t ever forget it your value. You’re absolutely brilliant. It’s been such an honor to be your PO.

    • Undisclosed
      Undisclosed Senior Manager, IT at Aerospace Company
      5.0

      Mobile App Development Review from Undisclosed

      I preferred Alt Digital Technologies over big companies because of the quality and the stability of their people.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Turn Insights Into Revenue

    Prismfly is an award-winning ecommerce optimization agency. We drive revenue growth for ecommerce brands through CRO, tailored development, standout design, and personalized lifecycle marketing...

    Top Services:

    • CRO
    • eCommerce Development
    • Web Development
    • Web Design
    • Branding
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed

    Prismfly Services

    • CRO
    • eCommerce Development
    • Web Development
    • Web Design
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Miku
    • Phelps
    • Red Land Cotton
    • Gooseberry
    Data sourced from the agency's DesignRush profile

    Prismfly Reviews & Testimonials

    • Alex Choi
      Alex Choi Sr. Manager at Ideal Living
      4.3

      Web Design Review from Alex Choi

      We brought this agency in as a consultant during a major redesign initiative, and their impact was immediate.They provided clear best-practice guidance across UX, conversion strategy, and design systems helping us think beyond aesthetics and focus on structure, clarity, and performance. What stood out most was their ability to balance strategic insight with practical execution. They didn't just point out what could be improved; they offered thoughtful, actionable solutions.Throughout the process, they were collaborative, responsive, and consistently available to support our internal team. Whether it was refining layout hierarchy, improving user flows, or pressure-testing creative direction, they were a steady partner from start to finish.If you're looking for a team that combines strong design instincts with conversion-minded thinking and a consultative approach, Id highly recommend them.

    • Anna Brakefield
      Anna Brakefield Owner at Red Land Cotton
      5.0

      CRO Review from Anna Brakefield

      We've been working with Prismfly since 2019 for web development and CRO and they have been great! Listened and made changes when needed and provided quality work with amazing responsiveness. Communication is great!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Driving digital growth for ambitious brands.

    Were a digital agency delivering stand-out experiences that generate results...

    Top Services:

    • Web Development
    • eCommerce Development
    • UI/UX Design
    • SEO
    • Content Marketing
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed

    Propeller UK Services

    • Web Development
    • eCommerce Development
    • UI/UX Design
    • SEO
    • Content Marketing
    • CRO
    • Web Design
    • Digital Marketing
    • PPC
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Azzuri Restaurant Group
    • Mylands
    • Epi 1959
    • KX
    • Home House
    Data sourced from the agency's DesignRush profile

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner