Top 10+ ReactJS Development Companies in Sunnyvale | ReactJS Developers Sunnyvale 2026

Last Updated 06th November 2026 | Category: Top Web Development Firms

As of November 2026, this directory tracks 58 reactjs companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $75, the median rating is 4.8, and 36% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Web Development, AI Development, and Bot Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these reactjs firms 4.8/5 on average. $100 - $149 / hr is the most common rate band. Roughly 36% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

58
Verified Firms
$100 - $149 / hr
Most Common Rate
4.8
Average Rating
36%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked reactjs Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2
4.6 7 $150 - $199 / hr 10 - 49 2009 Kansas City, MO Visit Profile
3
4.3 8 $50 - $99 / hr 2 - 9 2011 Houston, TX Visit Profile
4 4.3 6 $25 - $49 / hr 250 - 999 1999 — Visit Profile
5 4.1 8 $100 - $149 / hr 2 - 9 N/A Urbandale, IA Visit Profile
6 — — $100 - $149 / hr 10 - 49 N/A — Visit Profile
7 4.8 8 $25 - $49 / hr 50 - 249 2014 Bridgeport, CT Visit Profile
8
DD9
4.2 10 $100 - $149 / hr 2 - 9 2011 — Visit Profile
9 4.3 9 $150 - $199 / hr 2 - 9 2007 — Visit Profile
10 4.3 10 $50 - $99 / hr 2 - 9 1994 — Visit Profile

The List of Top 10+ ReactJS Development Companies in Sunnyvale | Top ReactJS Developers Sunnyvale November 2026

2004
$50 - $99
50 - 249
$5,000,000+
Custom Software Development Digital Strategy Mobile App Development UI-UX Design Web Design Web Development
2014
$25 - $49
10 - 49
$50,000+
Web Development Web Design E-Commerce UI/UX Design Custom Software Development
2014
$100 - $149
10 - 49
$5,000,000+
Custom Software Development E-commerce Development Mobile App Development UI-UX Design Web Development
2008
$150 - $199
50 - 249
$100,000+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development AR App Development
2024
Undisclosed
2 - 9
1996
$100 - $149
10 - 49
$25,000+
Mobile App Development SEO Social Media Marketing UI-UX Design Web Design Web Development
4.6 7 Reviews
2009
$150 - $199
10 - 49
$100,000+
Web Development Web Design PHP Development WordPress Development Mobile App Development UI/UX Design Custom Software Development CMS Development Ruby on Rails
4.1 8 Reviews
2019
$25 - $49
10 - 49
2013
Undisclosed
2 - 9
$5,000,000+
Android App Development iOS App Development Mobile App Development
2008
$150 - $199
10 - 49
$5,000,000+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development CMS Development Ruby on Rails
1995
$100 - $149
250 - 999
$25,000+
Android App Development iOS App Development iPhone App Development Mobile App Development UI-UX Design
1999
Undisclosed
10 - 49
$10,000+
Custom Software Development iOS App Development iPhone App Development UI-UX Design Web Design Web Development

ETT

No reviews yet
2020
$50 - $99
10 - 49
2008
$50 - $99
10 - 49
$50,000+
E-commerce Development Mobile App Development Web Design Web Development
—
Undisclosed
2 - 9
2006
$100 - $149
50 - 249
$50,000+
Custom Software Development Internet of Things Mobile App Development UI-UX Design Web Design Web Development
No reviews yet
N/A
$100 - $149
10 - 49
$10,000+
Web Development Web Design UI/UX Design
1994
$50 - $99
2 - 9
$50,000+
Web Development Web Design PHP Development Mobile App Development UI/UX Design Custom Software Development Ruby on Rails
2018
$25 - $49
50 - 249
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FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

The better Web Development companies in Sunnyvale plan around the time difference rather than ignoring it — usually by shifting core hours to overlap a few hours with the client's day, and filling the rest of the gap with recorded demos, written status updates, and async-friendly tools. It's a solvable problem, but only if it's addressed explicitly before the project starts; agree on exactly how much overlap you need with your Web Development partner in Sunnyvale up front.

Outsourcing to Sunnyvale is routine at this point, but it still deserves the basics done properly: a signed NDA, a clear clause on who owns the IP once it's built, and an understanding of what happens if either side wants to walk away mid-project. Established Web Development companies in Sunnyvale will have handled these terms many times before and shouldn't push back on any of them — hesitation there is itself a useful signal.

Most will, as long as the scope is genuinely locked down — clear requirements, a defined timeline, and agreed deliverables. Fixed-price contracts with Web Development companies in Sunnyvale tie payment to milestones rather than hours worked, which is good for budget predictability but only works if everyone agrees upfront on what a change request looks like. Make sure that process is spelled out in writing before work starts.

Yes — you can filter Web Development companies in Sunnyvale by budget range, hourly rate, team size, and area of specialization before reaching out to anyone. Pairing those filters with review scores usually gets you to a realistic shortlist in a few minutes instead of manually working through every listing in the category.

A verified badge on a Web Development company's Sunnyvale profile means the platform has confirmed the firm's identity and business registration, and has spoken directly with at least some of the clients referenced in their portfolio. It doesn't guarantee a perfect fit for your project, but it does rule out the more obvious risk of an unvetted or misrepresented listing — worth prioritizing over unverified entries when the choice is close.

A Web Development company applies for inclusion in the Sunnyvale directory by submitting a full profile — case studies, references willing to be contacted, and any relevant certifications — which our team reviews before it goes live. Once listed, staying active and collecting genuine client reviews over time is what improves visibility; a profile that's set up once and never touched again tends to fall behind.

A good Web Development company in Sunnyvale won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.

Web Development companies in Sunnyvale that take this seriously build with SEO baked into the architecture from day one — clean URL structures, fast load times, mobile-first layouts, and proper schema markup — rather than bolting it on after launch. A Web Development firm in Sunnyvale that treats search performance as an engineering responsibility, not a marketing afterthought, tends to produce sites that actually rank.

The sweet spot for value tends to be mid-size Web Development companies in Sunnyvale — big enough to have real process and accountability, small enough to keep overhead (and therefore price) reasonable. These firms usually can't compete with large agencies on brand name, so they compete on transparent, milestone-based pricing and a portfolio that speaks for itself. Ask to see completed work at roughly your budget level before assuming a firm is a fit.

Start by filtering for Web Development companies in Sunnyvale with direct experience in your vertical — a firm that has already built for healthcare, fintech, or retail will already understand the compliance rules and user expectations that come with it, instead of learning them on your project. Ask for case studies specific to your industry, and where possible, talk to a client from the same sector to confirm the experience is as deep as the portfolio suggests.
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