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Discover the top React.js Development Companies for Your Project

20 Companies - Rankings updated: September 03, 2026

DesignRush evaluates all React.js developers listed based on their technical expertise, past work, and client reviews. Some listings may be paid.

React.JS
React.JS × Nonprofit × $50,000 & Up × Clear Filters
  • Transformative Branding & Web Design for Visionary Nonprofits

    Specialists in strategic brand building and web design for nonprofits who change systems that help create a more just, equitable, and sustainable world...

    Top Services:

    • Branding
    • Web Design
    • UI/UX Design
    • Logo Design
    • WordPress Website Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

    Constructive Services

    • Branding
    • Web Design
    • UI/UX Design
    • Logo Design
    • WordPress Website Design
    • Web Development
    • Digital Strategy
    • Design Services
    • Graphic Design
    • Creative Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Acumen
    • American Forests
    • The Aspen Institute
    • Blue Meridian Partners
    • Cardiovascular Research Foundation
    • Cardozo School of Law
    • Catalyst
    • The Chronicle of Philanthropy
    • The Climate Trust
    • ClimateWorks Foundation
    Data sourced from the agency's DesignRush profile

    Constructive Reviews & Testimonials

    • Clea Bierman
      Clea Bierman Director of Digital Marketing at Blue Meridan Partners
      5.0

      WordPress Website Design Review from Clea Bierman

      Blue Meridian Partners has worked with Constructive as our website design and development partner for more than eight years. During that time, they have played a significant role in shaping our digital presence and helping bring our brand to life online. What I've appreciated most is Constructive's ability to balance creativity with stewardship. They have consistently found thoughtful ways to push our brand forward when innovation was needed, while also respecting and working intelligently within established brand guidelines. Their team understands how to translate complex ideas into engaging digital experiences. Across dozens of projects, I've worked with three different project managers, and each has been highly accountable and genuinely enjoyable to partner with. The relationships have been professional, collaborative, and built on trust. We've also had several occasions where creative projects required significant work on very tight timelines with little notice, and Constructive consistently found a way to deliver. Like any long-term partnership, navigating complex websites and evolving organizational needs requires ongoing communication and attention. What has kept us coming back year after year is Constructive's commitment to partnership, their willingness to solve problems alongside us, and the care they bring to our mission. I am grateful for their contributions to Blue Meridian's growth and would confidently recommend Constructive to organizations looking for a thoughtful, mission-driven digital agency.

    • Robert Espinoza
      Robert Espinoza Former EVP of Policy at PHI
      5.0

      Nonprofits Review from Robert Espinoza

      Constructive built PHIs website back in 2017-2018 and, in many ways, they have been with the organization ever since. Over almost eight years, they've grown alongside PHI rather than simply maintaining a site. PHI is a national nonprofit working at the intersection of research, policy, and workforce interventions on the direct care workforce, and a lot of what we do is complicated. Constructive's remarkable team has had a real knack for turning that complexity into something clear, usable, and genuinely engaging online. Some of the things I'm most proud of from our partnership like our worker story gallery, our national resource center on direct care workers, and our online index came out of that collaboration. These weren't just features; they became core parts of how we tell our story and share our work with advocates, policymakers, and practitioners. What made Constructive stand out was how invested they were in our mission. They were creative and technically excellent, yes but more than that, they showed up as a true partner. We didn't experience them as a vendor so much as an extension of our team. I would absolutely recommend them to any nonprofit or social impact organization looking for a thoughtful, dependable digital partner.

    • Diana Denza, MPA
      Diana Denza, MPA Communications Director at Center for Family Representation
      5.0

      Nonprofits Review from Diana Denza, MPA

      The Center for Family Representation worked with Constructive on a year-long rebranding process that overhauled our logo, colors, website, and all of our marketing collateral. As a result of this process, we now have a brand that truly represents our organization and the work we do for low-income NYC families. Constructive was highly responsive and professional throughout the process, working with us to ensure that every element of the rebranding felt just right.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Succeed Faster With Syberry.

    We've delivered 300+ software solutions for American companies of all sizes, from emerging startups to Fortune 200 companies in many domains: healthcare, FinTech, automotive, energy management, real estate, education, e-commerce, and others...

    Top Services:

    • Software Development
    • Mobile App Development
    • DevOps Consulting
    • AI Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    12 Projects Listed

    Syberry Corporation Services

    • Software Development
    • Mobile App Development
    • DevOps Consulting
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • PayPal
    • Shell
    • JLL
    • THG Energy Solutions
    • FTSE Russel. London Stock exchange
    • Livestream
    • Telespace
    • Baylor Scott and White Healthcare
    • Ethisphere
    Data sourced from the agency's DesignRush profile

    Syberry Corporation Reviews & Testimonials

    • John Fox
      John Fox Solution Architect / Project Owner at Formulary Insights
      5.0

      Software Development Review from John Fox

      Syberry Corporation handles several projects for the client; always aligning with the set design criteria. Every output from it not only meets but surpasses the client's expectations and works flawlessly upon launch. The team at Syberry is adept at managing numerous projects simultaneously and showcases profound knowledge in software development. Its unwavering commitment has consistently contributed to the ongoing success of the collaboration. (Verified via email)

    • Rudy Milković
      Rudy Milković Executive Director / Founder at Velikom International
      4.8

      Software Development Review from Rudy Milković

      The final product surpassed the client's expectations. Syberry Corporation consistently offered top-notch results promptly and at an excellent value. It kept the client informed regularly and continually asked for input at every phase. Clients can anticipate a seasoned team from Syberry Corporation that adeptly turns ideas into practical solutions. (Verified via email)

    • Andrew Stanifer
      Andrew Stanifer Review from Google
      5.0

      Andrew Stanifer's Review Sourced from Google

      I cannot say enough good things about Syberry and the experience I had with them! The entire team was extremely customer focused and incredible to work with. They will without out a doubt be our continued partner and go-to for any future software development!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Partnering with innovators to create a healthier world through technology

    We're a product design agency developing custom software solutions for health, learning, and more. We partner with innovators to bring purpose to the digital world through what we make and how we make it...

    Top Services:

    • Software Development
    • Mobile App Development
    • Product Design
    • AI Development
    • UI/UX Design
    • Show more
    Location
    Eugene, Oregon
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

    Twenty Ideas Services

    • Software Development
    • Mobile App Development
    • Product Design
    • AI Development
    • UI/UX Design
    • Market Research
    • Cloud Consulting
    • Design Services
    • DevOps Consulting
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • PHC Global
    • XPRIZE Foundation
    • University of Oregon
    • Daimler Truck North America
    • D&H
    • Dr. Linda Dahl, MD
    Data sourced from the agency's DesignRush profile

    Twenty Ideas Reviews & Testimonials

    • Justin Collins
      Justin Collins CEO at ChartLamp
      5.0

      Startups Software Development Review from Justin Collins

      Our first engagement with Twenty Ideas was accurately scoped and allocated from day one, and that was impressive. Being on time and budget while exceeding expectations seems impossible for many vendors, but with Twenty Ideas, there were zero issues. They anticipated our needs and presented clear options when necessary.

    • Rachel Efron
      Rachel Efron Chief Creative Officer at Muzi
      4.8

      Mobile App Development Review from Rachel Efron

      The most impressive thing was the collaboration we established. I had been creating this app by myself for so long, and all of a sudden, I had a whole team of thought partners. Twenty Ideas really got in there with me, learned what I was trying to make, and collaborated with me on it. It was an extremely rewarding experience, and we're thrilled with the app!

    • Jana DiSanti
      Jana DiSanti Review from Google
      5.0

      Jana DiSanti's Review Sourced from Google

      I started working with Twenty Ideas in a part-time consulting capacity, but I became so taken with the team’s passion, mission, and supportive culture, that I ended up applying for a full-time position. I’ve been with the team for three and a half years now, and it’s given opened doors to expand my skill set; work with smart, kind, and dedicated people, every day; and work with clients who truly care about making a positive impact, to create life-changing solutions together. It’s a great place to work!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We deploy secure AI solutions that deliver positive ROI within weeks.

    NineTwoThree AI Studio is a Boston-based AI agency that builds secure, production-grade AI and ML solutions with measurable ROI. Founded in 2012, our Ph.D.-level engineers and certified product managers have delivered 150+ projects for enterprise brands and startups alike...

    Top Services:

    • AI Development
    • Mobile App Development
    • IoT
    • Software Development
    • DevOps Consulting
    • Show more
    Location
    Danvers, Massachusetts
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    NineTwoThree Services

    • AI Development
    • Mobile App Development
    • IoT
    • Software Development
    • DevOps Consulting
    • Wearables
    • Software Testing
    • Digital Strategy
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • FanDuel
    • Consumer Reports
    • VSAC
    • Skylight
    • Raycon
    • K&L Wines
    • Prisonology
    • Dataflik
    • Wheels Now
    • Amerit Fleet
    Data sourced from the agency's DesignRush profile
  • Sports Betting Software Development Company | Sports Betting Solution

    Sports Betting Soft is a leading iGaming technology provider delivering tailored sports betting and casino software solutions for both startups and established operators. We specialize in building innovative, reliable, and high-performance platforms designed to meet unique client needs and exceed in...

    Top Services:

    • Mobile App Development
    • Graphic Design
    • eCommerce Development
    • Web Development
    • Blockchain
    • Show more
    Location
    Borehamwood, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    10 Projects Listed

    Sports Betting Soft Services

    • Mobile App Development
    • Graphic Design
    • eCommerce Development
    • Web Development
    • Blockchain
    • Software Development
    • Staff Augmentation
    • IT Services
    • Software Testing
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BET IT BEST
    • EAGLE BET
    • BetMonkey
    • Land-Mark-Co
    • MyHss
    • VMV
    • WSB
    • DBB
    • JARLON GROUP
    • FLYBET
    Data sourced from the agency's DesignRush profile

    Sports Betting Soft Reviews & Testimonials

    • Kundan B
      Kundan B COO at Bet Monkey
      4.8

      Web Development Review from Kundan B

      Had an Awesome Experience with the team at SBS. After Fiverr and Freelancer.com bad experience I got my product ready with Sports Betting Soft. and Special thanks to the team for the friendly support after launch.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • For People. For Progress.

    Pastilla is a full-service agency based in Los Angeles. We partner with public agencies, nonprofits, and global brands to turn complex missions into clear brand and digital experiences that build trust and move communities to action...

    Top Services:

    • Branding
    • Design Services
    • Graphic Design
    • Web Design
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    18 Projects Listed

    Pastilla Services

    • Branding
    • Design Services
    • Graphic Design
    • Web Design
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Social Media Marketing
    • Content Marketing
    • Video Production
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • City of LA Recreation & Parks
    • Black Girls Code
    • Sacramento Public Library
    • Consumer Technology Association
    • Clean Power Alliance
    • Microsoft
    • Metrolink
    • Hollywood Foreign Press Associations (HFPA)
    • Disney
    • Lossan
    Data sourced from the agency's DesignRush profile
  • We build mobile apps, web platforms & AI workflows for organisations doing good in the world.

    3 Sided Cube is a global mobile app and digital development company with a passion for Tech For Good, championing the genius over the generic to build life-saving, life-changing digital solutions...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Digital Services
    • Show more
    Location
    Bournemouth, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    3 Sided Cube Services

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Digital Services
    • UI/UX Design
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • American Red Cross
    • Surfers Against Sewage
    • Omaze
    • Vodafone | Glastonbury Festival
    • LUSH
    • Global Forest Watch
    • The World Resources Institute
    • University Of Bristol
    • GDPC
    • Wonderbly
    Data sourced from the agency's DesignRush profile

    3 Sided Cube Reviews & Testimonials

    • Si Muddell
      Si Muddell Review from Google
      4.0

      Si Muddell's Review Sourced from Google

      Fantastically positive and driven team who on every interaction you just know care deeply about a) what they do b) what they deliver and c) ultimately the experience the end user will have. Hugely impressed with their personal, creative and energy driven approach at the pitch stage, I commissioned 3SC to help us better scope an app. Their task was to take an in-house developed app prototype, and turn it into a fully fledged technical specification with user stories, MoSCoW prioritisation, costs, and an updated look and feel; all done with audience need at the heart. Myself and the wider team have nothing but very good things to say about 3SC. When reflecting on an agency to work with, loads say they can do it, some can actually do what they say they can do, even less do it in the spirit of real partnership and mutually respect/drive. 3SC do all of these excellently. I highly recommend them.

    • Oliver Morrison
      Oliver Morrison Review from Google
      5.0

      Oliver Morrison's Review Sourced from Google

      A passionate team of insanely talented experts, producing industry leading technology for good causes. Highly recommend.

    • Kev Borrill
      Kev Borrill Review from Google
      5.0

      Kev Borrill's Review Sourced from Google

      Great Digital agency with a passion for making great mobile apps in the Tech for good industry

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Achieve your digital ambitions.

    We help organizations achieve their digital ambitions, from strategy to execution...

    Top Services:

    • Web Development
    • Web Design
    • Digital Strategy
    • UI/UX Design
    • Digital Services
    • Show more
    Location
    Montreal, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed

    Symetris Services

    • Web Development
    • Web Design
    • Digital Strategy
    • UI/UX Design
    • Digital Services
    • Software Development
    • SEO
    • IT Services
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Acquia
    • Vidéotron
    • Fizz Internet
    • Innovmetric
    • Houston.org
    • Promutuel Insurance
    • Insurity
    • EGYM
    • Aliments du Québec
    • Savoir Média
    Data sourced from the agency's DesignRush profile

    Symetris Reviews & Testimonials

    • Jean-David Ouellette
      Jean-David Ouellette Review from Google
      5.0

      Jean-David Ouellette's Review Sourced from Google

      Neato digital agency that has a truly unique and refreshing approach to tackling web oriented projects. Lives up to it's core values which helps create welcomed experiences for clients, users and employees alike.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Built to Collaborate. Designed to Scale.

    We empower people and platforms with work that really works with custom websites and applications, open-source digital products, and more...

    Top Services:

    • WordPress Website Design
    • Web Development
    • Web Design
    • Digital Strategy
    • UI/UX Design
    • Show more
    Location
    Lansing, Michigan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $225/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed

    Modern Tribe Services

    • WordPress Website Design
    • Web Development
    • Web Design
    • Digital Strategy
    • UI/UX Design
    • eCommerce Development
    • Software Development
    • Branding
    • Logo Design
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Harvard University
    • Microsoft
    • data.org
    • Steelcase
    • ebay
    • Disney
    • Rakuten
    • Condé Nast
    • Little League
    • Stanford University
    Data sourced from the agency's DesignRush profile

    Modern Tribe Reviews & Testimonials

    • Perry Hewitt
      Perry Hewitt Chief Marketing Officer at Data.org
      5.0

      WordPress Review from Perry Hewitt

      When we first envisioned a new data.org, we knew we needed a strong strategy, design, and development partner who could work with us to build an elegant and extensible digital platform. Modern Tribe exceeded the bar on all counts, delivering a terrific implementation of our new brand, a robust resource library, and a platform future-proofed for the evolving needs of the community.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Award Winning Technology & Business Consulting Agency

    MindHind is a Technology, Business, Marketing & Investment Consulting Company with Global Presence in America, Europe, Australia, Middle East & Asia with 500+ Global Team Strength to achieve maximum success in Funding, Merger & Aquisitions, Research & Innovations. Delivering innovative technological solutions...

    Top Services:

    • IT Services
    • Software Development
    • AI Development
    • IoT
    • Staff Augmentation
    • Show more
    Location
    New York City, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up

    MindHind Services

    • IT Services
    • Software Development
    • AI Development
    • IoT
    • Staff Augmentation
    • Digital Marketing
    • Cloud Consulting
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Helly Hansen
    • Sigma Beauty
    • Monin
    • Accenture
    • Kellogs
    • Infosys
    • JPMorgan Chase & Co
    • Tech Mahindra
    • Amdocs
    Data sourced from the agency's DesignRush profile

    MindHind Reviews & Testimonials

    • Anthony Scotney
      Anthony Scotney CEO at StratoKey
      5.0

      IT Consulting Review from Anthony Scotney

      Our experience with Mindhind has been nothing short of outstanding. As a consulting firm, we needed more than just a software developer, we needed a partner who could grasp complex strategic methodologies and bring them to life through technology. Mindhind’s team delivered exactly that. Their deep expertise in AI and machine learning allowed them to build a tool that is not only reliable but also delivers measurable value to both our firm and our clients. The way they executed the project was exemplary. Everything was completed on time and within budget, reflecting their strong project management skills. Communication was clear, transparent, and always focused on solutions. The platform they created has become a vital part of our mission, helping us seamlessly align IT strategy with organizational excellence. We are truly pleased with this partnership and the impact it has had on our work.

    • Michael Orenstein
      Michael Orenstein Founder at Electric UI
      5.0

      IT Consulting Review from Michael Orenstein

      As our product grew, managing our systems became more and more challenging. Things were slowing down, and small issues kept piling up into frustrating delays for the team. That’s when we turned to MindHind. They took the time to carefully review everything we were using, explained what was breaking and why in a way that was easy to understand, and guided us through setting up better processes. They didn’t just fix problems, they showed us how to make the system stronger so we wouldn’t keep running into the same issues again. Since partnering with them, our platform runs smoothly and our team feels far more confident. MindHind has proven to be a reliable partner, and we’re genuinely glad we chose to work with them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Enterprise Drupal, Simply Delivered.

    Were passionate about what we do whether it is working with a new client on a strategic project, meeting users for UX testing, developing innovative solutions, or just coming together for a team lunch or social activity...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • Staff Augmentation
    • Digital Services
    • Show more
    Location
    Vancouver, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed

    ImageX Services

    • Software Development
    • Web Development
    • Web Design
    • Staff Augmentation
    • Digital Services
    • Digital Strategy
    • UI/UX Design
    • SEO
    • Mobile App Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Stanford University
    • YMCA
    • Apple
    • Disney
    • Adidas
    • UCLA
    • Samsung
    Data sourced from the agency's DesignRush profile

    ImageX Reviews & Testimonials

    • somaye khojaste
      somaye khojaste Review from Google
      5.0

      somaye khojaste's Review Sourced from Google

      Amazing experience! They delivered a clean, professional, and user-friendly website exactly as I envisioned. Great communication, fast turnaround, and top-quality work. Highly recommend!

    • Tallitha Campos
      Tallitha Campos Review from Google
      5.0

      Tallitha Campos's Review Sourced from Google

      One of the top Drupal agencies. Team is smart and experienced. Easy to work with. ImageX offers flexible working hours and has a Supportive management team who understands that family matters. Project process is well stablished but company is open to listem and improve processes. ImageX values social interaction between colleagues - yearly summits and co-working days. Company offers bonus depending on quarterly profit and it's improving their benefits.

    • Nadine Nykolaichuk
      Nadine Nykolaichuk Review from Google
      5.0

      Nadine Nykolaichuk's Review Sourced from Google

      It's a team of exceptionally talented and professional folks who are passionate about their work and very serious its quality. The company has many long-term, happy customers that are important players in their industries. ImageX is an active member of the Drupal community so it regularly sponsors and organizes Drupal events. The team is very inclusive — it welcomes and respects diverse cultures. Despite the long distances between the company's offices (in Canada, Brazil, and Ukraine), the atmosphere is family-like and warm. You can always feel the team's support, friendliness, and respect.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Build Custom Apps.

    We're an award-winning, woman-owned and led, custom software development company...

    Top Services:

    • Mobile App Development
    • Big Data Analytics
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    AppIt Ventures Services

    • Mobile App Development
    • Big Data Analytics
    • UI/UX Design
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Personal Assistance Services of Colorado
    • Prairie IT
    • General Electric
    • Scholarlead
    • You:Flourish
    • Vayn
    • Starlight Software Solutions
    • Liebherr
    • Seattle Fish Company
    • State of Colorado
    Data sourced from the agency's DesignRush profile

    AppIt Ventures Reviews & Testimonials

    • Kamlyn Spivey
      Kamlyn Spivey Review from Google
      5.0

      Kamlyn Spivey's Review Sourced from Google

      The AppIt team has been a project-saver for our company. I went with AppIt because I was looking for a trustworthy, transparent partner to guide me (an app-dev newbie) through building a new feature for our mobile app. Their quality of work, customer service, ability to meet timelines, and transparency has been phenomenal. Highly recommend Kayla and the AppIt to any company needing development help.

    • Haile Elizondo
      Haile Elizondo Review from Google
      5.0

      Haile Elizondo's Review Sourced from Google

      As fellow Colorado Companies to Watch winners, our team met Amanda and her team in 2022 and its been a match made in heaven! We have our own in-house development team that is swamped with working on our web application, Kanso, and did not have the bandwidth to work on sub-applications and portals. Here's where AppIt came in to save the day! We are closing out our first project with AppIt, and we are more than impressed. The application is clean and beautiful. Their team has been a joy to work with and I look forward to our check-ins on progress. This project has been so successful we have lined up a handful projects to continue this business relationship. Kanso Software is very grateful for AppIt!

    • Jillian Krenk
      Jillian Krenk Review from Google
      5.0

      Jillian Krenk's Review Sourced from Google

      I have worked with AppIt Ventures on two different enterprise size solutions. Throughout my career and have worked with several development teams. AppIt Venture stands out above the rest. The extraordinary service provided by AppIt Ventures starts at the top, with their CEO Amanda, and is executed throughout the entire team. It’s clear their employees are empowered to make decisions, take care of their customers, and provide the customer service their leader promotes. Kayla, our outstanding project manager is creative, reliable and detail-oriented offering guidance and support to ensure all of our development’s needs are on track and being done with our greater vision and application needs in mind. If any bugs pop-up, which is bound to happen, AppIt's team is on it and has the issue quickly fixed or a solution put into place within hours. With AppIt's development team, I have peace of mind knowing we can quickly and easily adjust to our customer's requests and provide an unparalleled customer and participant experience. I highly recommend using AppIt Ventures and look forward to continuing my partnership with them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Technology partnership that grows with your business

    Exilent Systems is a business focussed group of technology consultants motivated to adopt scientific methods to create valuable and measurable outcomes for growing businesses. We do that by focussing on testability of ideas and products, setting performance goals early on and using data metrics to improve...

    Top Services:

    • Web Design
    • Software Development
    • Mobile App Development
    • Digital Services
    • IT Services
    • Show more
    Location
    Melbourne, Australia
    Number of Employees
    Under 49
    Average Hourly Rate
    $170/hr
    Minimal Budget
    $50,000 & Up

    Exilent Systems Services

    • Web Design
    • Software Development
    • Mobile App Development
    • Digital Services
    • IT Services
    • Digital Marketing
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Cassiel
    • codeware
    • Play HQ
    Data sourced from the agency's DesignRush profile
  • Senior embedded Python teams for data, AI & SaaS

    Python-first staff augmentation for SaaS, data engineering & AI/ML. Senior embedded engineers, CVs in 24-48 hours. No freelancers...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • Big Data Analytics
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    Uvik Software Services

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • Big Data Analytics
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • VantagePoint
    • Drakontas
    • SimpleLegal
    • CommunityConnect Labs
    • Fitdog
    Data sourced from the agency's DesignRush profile
  • Award-Winning Mobile Design & Development Agency with AI Expertise

    Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Digital Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed

    Utility Services

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Digital Services
    • Web Development
    • Digital Strategy
    • eCommerce Development
    • Web Design
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Coca-Cola
    • Airbnb
    • Verizon
    • Samsung
    • NBA
    • Forbes
    • Bleacher Report
    Data sourced from the agency's DesignRush profile
  • Qualified personnel rules!

    We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients. The...

    Top Services:

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Show more
    Location
    Bad Nenndorf, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    German Standard Services

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Software Development
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Biome Nanomics
    • Exopulse
    • Kanu
    Data sourced from the agency's DesignRush profile
  • We build great software that builds your bottom line

    Dualboot is a business and software development company. We build great software, but we base our success on whether it helps your business grow...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    Dualboot Partners Services

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • UI/UX Design
    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Elevation Church
    • Lexipol
    • DebtBook
    • Boardroom Insiders
    • PrizePicks
    • PetScreening
    • Continental
    • flyExclusive
    • Jib Jab
    • CRDN
    Data sourced from the agency's DesignRush profile

    Dualboot Partners Reviews & Testimonials

    • Nelson Santini
      Nelson Santini Review from Google
      5.0

      Nelson Santini's Review Sourced from Google

      Phenomenal team to work with. From Sales to Engineering, Customer Service and at the highest level of leadership, the DualBoot partner team is simply great. They are consistent and interested in your success. Once their engineering team has learned your stack, you can't tell from inside to external resources. Work just gets done. I recommend them w/o reservations; start-up or well established firm, you are in great hands with the DualBoot team!

    • Geoff Eloge
      Geoff Eloge Review from Google
      5.0

      Geoff Eloge's Review Sourced from Google

      Dualboot has been a great partner for our fintech startup. Their knowledge and expertise have been critical in guiding us towards launch. We'd highly recommend them for anyone who needs a trusted technology partner.

    • Dan Sperau
      Dan Sperau Review from Google
      5.0

      Dan Sperau's Review Sourced from Google

      We have been working with Dualboot for close to a year and the process is perfect. The team is responsive, knowledgeable and talented. The Dualboot team has taken the idea of software and allowed it to be simplified for non-tech minded people. I would recommend them to anyone.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Marketing that advances your social impact and the common good.

    HelpGood is a full-service marketing and communications agency focused on social impact. Our clients are nonprofits, foundations, universities, government agencies, and purpose-driven organizations. HelpGood's offices are in Los Angeles and NYC. We are a certified B Corp...

    Top Services:

    • Web Design
    • Digital Marketing
    • Web Development
    • Branding
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up

    HelpGood Services

    • Web Design
    • Digital Marketing
    • Web Development
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ad Council
    • Smokey Bear
    • FPWA
    • NEXT for AUTISM
    • Planned Parenthood of NYC
    • Fountain House
    • Native American Heritage Commission
    • National Forest Foundation
    Data sourced from the agency's DesignRush profile
  • Infinite Possibilities with Technology

    Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology...

    Top Services:

    • Big Data Analytics
    • Software Development
    • AI Development
    • Mobile App Development
    • Show more
    Location
    Hyderabad, India
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed

    Kellton Services

    • Big Data Analytics
    • Software Development
    • AI Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Max Life
    • Real Estate - Foxtons
    • Non Profits - Unicef
    • Govt. of Mauritius
    • Walmart
    Data sourced from the agency's DesignRush profile

    Kellton Reviews & Testimonials

    • Priyanshi Verma
      Priyanshi Verma Review from Google
      1.0

      Priyanshi Verma's Review Sourced from Google

      Unprofessional, Mentally Draining, and Disrespectful Work Culture My overall experience with this company was extremely toxic. During my short tenure, I observed several deeply unprofessional practices that left a lasting negative impact on me: • Salaries were often delayed, without prior communication or explanation. • There were unexplained deductions in monthly salary, and any attempts to raise concerns were either ignored or dismissed by HR. • The HR department was shockingly rude. I personally witnessed employees being humiliated or emotionally broken when they decided to resign — some even left in tears. • No proper Full and Final Settlement (FNF) or professional offboarding process was followed. It’s like once you resign, you’re treated as if you never existed. • Even after resignation, the company continued to send intimidating and threatening emails and begging for small amount of money like 20k, showing a complete lack of empathy — especially towards people who were already in a tough personal or financial situation. If you’re considering joining, please rethink carefully. Make sure everything is documented in writing — verbal promises mean nothing here. A company’s real face shows not when you join, but when you try to leave. And unfortunately, this one shows zero professionalism, zero compassion, and zero respect for employees.

    • Nani Sweety
      Nani Sweety Review from Google
      1.0

      Nani Sweety's Review Sourced from Google

      I took 4 rounds of Interview for US IT Recruiter position..1st is virtual, 2nd round is In-person, 3rd and 4th are telephonic...They did not give any feedback.Worst experience, please don't attend interviews.waste of time

    • varsha kaushal
      varsha kaushal Review from Google
      1.0

      varsha kaushal's Review Sourced from Google

      One of the worst organisation I have ever experienced . Exit process is worst moreover company doesn’t respond on your final f&f queries and literally one has to chase to get their full n final payment. Depending upon clients requirement organisation and their leaders push their employees and even salary is deducted if it is not billed as per clients need. Pathetic to be honest. Lala companies are doing better than this in country.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Crafting technologies to move business.

    Since 2009, Dom & Tom has built their reputation on designing and developing applications meant to build and scale digital businesses. From startups to enterprise clients, the apps we craft for our clients help them to be more profitable, efficient, and competitive in their markets...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up

    Dom & Tom, Inc Services

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • AI Development
    • Digital Strategy
    • Staff Augmentation
    • IoT
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bloomberg
    • Turner Construction
    • The MITRE Corporation
    • General Electric
    • UOVO
    • Valmont Industries
    • Samsung Electronics
    • AM Best
    • Fitch Ratings
    • NBA
    Data sourced from the agency's DesignRush profile

Frequently Asked Questions About React.js Developers

What are the typical React.js development services?

React.js development companies provide end-to-end services that span the entire software development lifecycle, from strategy and design to development and launch. Core services include: 

  • React.js consulting: Guiding businesses on building and optimizing their React applications through component selection, architecture design, and roadmap development. 
  • Custom React.js development: Engineering applications tailored to a business's specific needs, goals, and existing IT infrastructure, and typically include web design and web development.  
  • UI/UX design: Delivering intuitive interfaces, clear user flows, and standardized design systems that align with a brand and its target users. 
  • API integration: Connecting the React frontend to back-end systems, third-party tools, and external data sources to support seamless functionality and user experiences. 
  • Platform migration: Rebuilding or migrating legacy frontends to React to improve maintainability, usability, and performance, often with minimal disruption. 
  • Maintenance and support: Providing post-launch monitoring, debugging, performance optimization, and technical support. 

Many React.js developers also offer specialized expertise, including SaaS products, web application development, customer portals, eCommerce solutions, and minimum viable products (MVPs).  

Some React.js development companies may also offer digital marketing services, such as content marketing, search engine optimization (SEO), and branding. 

What is the difference between React and React Native?

The main difference is that React is used to build web user interfaces, while React Native is for developing mobile applications. Here are more details on their differences: 

  React React Native
Primary platforms Websites, web applications, and single-page applications iOS and Android mobile apps
Tech base JavaScript/TypeScript with React for web UI JavaScript/TypeScript with React, rendered through native UI components
Best for Businesses building browser-based products, customer portals, dashboards, eCommerce sites, and SEO-focused web experiences Businesses building cross-platform mobile apps for both iOS and Android with shared logic and accelerated development time
Examples Facebook, Instagram, Netflix web Microsoft Teams and Shopify

What are the typical React developer tools?

React.js developers typically choose their stack based on a client's product goals, technical requirements, and existing systems. For example, they may use Formik for complex forms and validation, Storybook for developing and testing components in isolation, and MUI for production-ready UI components and design systems. 

Common React developer tools: 

  • Core front-end: React, JavaScript, TypeScript, HTML, CSS 
  • State and data fetching: Redux, TanStack Query 
  • UI and styling: Tailwind CSS, MUI, Storybook 
  • Testing: Jest, React Testing Library, Cypress 
  • Back-end options: Express, Laravel, Rails, ASP.NET 
  • Databases and infrastructure: PostgreSQL, SQL Server, Redis 

Can React.js developers build AI-powered features into web applications?

Yes. A React.js developer can build AI-powered features into a web application by integrating model APIs, SDKs, and AI workflows into the product experience.   

Depending on your goals, this may include providers such as Google Gemini or Anthropic Claude, along with React developer tools, like Vercel's AI SDK for building chat, search, recommendation, and automation experiences in React-based apps. 

These companies can help you build features such as: 

  • Personalized content and recommendations based on user behavior 
  • Chatbots and virtual assistants for real-time customer support 
  • Smart search with autocomplete, semantic search, and related-result suggestions 
  • AI-assisted dashboards that generate summaries, reports, forecasts, and insights from business data 

When should you hire a React.js development company instead of using an in-house team?

The right choice depends on your project goals, internal capacity, timeline, and need for control. You may want to hire a React.js development company if: 

  • You have a short-term or time-sensitive project, but your internal team is already at capacity. 
  • You do not have the specialized expertise required for the project, such as React architecture, performance optimization, migration, or AI feature integration. 
  • You need to accelerate delivery without hiring and onboarding a full internal team. 
  • You want access to a broader range of skills, such as design, front-end engineering, QA, and post-launch support, through a single external partner. 
  • You need temporary support to fill skill gaps or expand delivery capacity. 

Use an in-house team when: 

  • The application is a core business product that requires long-term ownership and deep institutional knowledge. 
  • The project involves highly sensitive systems, proprietary logic, or strict security and compliance requirements. 
  • You need close day-to-day collaboration, faster internal feedback loops, and direct control over priorities. 
  • The product requires continuous iteration and alignment with multiple internal teams over time. 

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