Top Javascript Development Companies 2026 Rankings & 9,556 Client Reviews for 768 Service Providers

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Featured Javascript Development Companies
Leading JavaScript Development Companies
List of the Best Companies for Javascript Development
Javascript Development Company Alternatives

We have a list of 768 JavaScript development companies. This list contains matching case studies and references, 9,556 customer reviews, hourly rates, team size and much more. Use the appropriate filter options to find the best Javascript Development Company for your business requirements.

Featured Javascript Development Companies

Vention
4.9
107 reviews
AWARD WINNER TOP RATED
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Your project, our commitment Vention is a global software development company headquartered in New York, with European hubs in Berlin and Vienna. For over 20 years, Vention has helped startups, established enterprises, and industry innovators develop custom, scalable software solutions. With a network of more than 3,000 highly qualified technology experts, the company delivers solutions customers around the world ca... Read More
1,001-5,000
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Chudovo OÜ
4.9
77 reviews
AWARD WINNER TOP RATED
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Implementation of complex systems Chudovo is a custom software development company, focused on complex systems implementation. Customers rely on our expertise, appreciate transparency in time, budget, visibility of work progress, and our assistance in achieving their business objectives with high-quality solutions. Our teams follow best development practices and methodologies and apply their experience in such industries as hea... Read More
51-200
> €10,000
€25 - €49
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freshcells systems engineering GmbH
5.0
11 reviews
AWARD WINNER TOP RATED
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Company description: Not available Read More
11-50
> €50,000
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Leading Javascript Development Companies

Our market leaders analysis is based on the Feedbax Score, which evaluates providers individually within each category. Learn more

Rank	Service Provider	Rating
1	Chudovo OÜ	4.9 / 5
2	galaniprojects GmbH	4.8 / 5
3	Qubix Consulting GmbH	4.9 / 5

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List of the Best Companies for JavaScript Development

iDISC Information Technologies, S.L.
4.8
46 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Python PHP Java
51-200
> €1,000
€50 - €74
Location: Olesa de Montserrat, Spain
Translation & IT services agency Headquartered in Barcelona, iDISC also operates from Xalapa, Porto Alegre and Miami. For more than three decades, the company has helped organisations communicate more effectively and share information seamlessly. Its services include translating and localising technical and commercial material f... Read More
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Applaudo
4.7
174 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Swift XML Python PHP Java TypeScript
201-500
> €50,000
€50 - €74
Location: San Salvador, El Salvador
World-Class Design and Software Engineering Finding the right professionals can be exhausting, and that’s exactly where we help. At Applaudo, you get access to a strong network of qualified candidates. We take the time to understand your company and goals so we can handle sourcing end to end, then connect you with a dedicated team that’s s... Read More
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BRUMAIRE
4.3
187 reviews
Expertise
Focus Areas
JavaScript Python PHP Java
11-50
> €1,000
Location: Vincennes, France
Your dedicated technical team for your crypto/NFT Need support with smart contracts, Discord bot work, or website security? We handle it all for you. Reach out and let’s discuss your project. Read More
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Contra Studio
5.0
61 reviews
TOP RATED
Expertise
Focus Areas
JavaScript XML
11-50
> €25,000
€75 - €99
Location: Madrid, Spain
Digital design & technology studio from Colombia. We partner with leading global brands to shape connected digital experiences that make complexity easier to navigate, improve performance, and deliver results you can measure. As a digital design studio, we create and build scalable ecosystems that bring clarity to your business and support lasti... Read More
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Brightness Group
4.9
73 reviews
TOP RATED
Expertise
Focus Areas
JavaScript PHP
11-50
> €1,000
€25 - €49
Location: Ahmedabad, India + 1
BUILD YOUR WEBSITE APPLICATION WITH PROFESSIONALS Backed by over two decades of experience and a team of 50+ specialists across the Netherlands and India, we build digital products that fit your goals—ranging from websites and webshops to full-fledged applications. Whatever you want to achieve online, we’ll help make it happen. Read More
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Kernix
4.9
17 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Redux AJAX Python PHP SQL
11-50
> €50,000
€25 - €49
Location: Paris, France
French team design web and data solutions for you Kernix is a self-governing firm focused on data integration plus web and mobile ©. Kernix delivers bespoke solutions and stays with clients from the first idea to the final rollout: strategy & design; interface & usability; development & hosting. Read More
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AquilApp
5.0
13 reviews
TOP RATED
Expertise
Focus Areas
JavaScript jQuery C Sharp (C#) SQL
2-10
> €10,000
€25 - €49
Location: Saint-Herblain, France
Software devlopment AquilApp is a France-based custom software and mobile app development company in Nantes. AquilApp helps businesses grow with automated solutions designed to make employees’ work easier. Read More
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MarsBased
5.0
5 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Ruby
11-50
> €10,000
€50 - €74
Location: Barcelona, Spain
The last tech provider you'll ever need Based in Barcelona, MarsBased is a design and engineering partner that puts AI to work. Our seasoned developers pair deep technical expertise with a dependable AI-driven process to take on demanding projects—delivering on schedule and within budget, with room to grow. Since 2014, we’ve built robu... Read More
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Esilab
5.0
9 reviews
TOP RATED
Expertise
Focus Areas
JavaScript
2-10
> €25,000
€75 - €99
Location: Oberhausbergen, France
Creative & Digital Agency from Strasbourg, France An independent creative and digital studio based in Strasbourg, France, focused on UX/UI design, WordPress, and building custom websites that are fast, effective, and environmentally conscious. Since 2012, our Strasbourg web studio has been shaping user experiences and developing websites. With... Read More
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Code Barcelona
4.9
52 reviews
TOP RATED
Expertise
Focus Areas
JavaScript AJAX PHP
2-10
> €25,000
€100 - €149
Location: Barcelona, Spain
WordPress for pharma, industrial & B2B teams Code Barcelona partners with ambitious brands and global businesses to craft distinctive WordPress sites tailored to their needs.By bringing strategy, technology and design together, we deliver premium online experiences that capture attention, drive results and turn visitors into customers acros... Read More
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Qbus Internetagentur GmbH
4.8
15 reviews
TOP RATED
Expertise
Focus Areas
JavaScript PHP Java
2-10
Location: Rostock, Germany
QBUS is design agency & internet agency from Rostock. ✓ Logo, ✓ Corporate Design, ✓ Web Design, ✓ Web Development, ✓ TYPO3, ✓ Contao, ✓ Web App, ✓ Mobile App Read More
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Webkraftr
4.6
10 reviews
TOP RATED
Expertise
Focus Areas
JavaScript PHP React SQL
11-50
> €1,000
< €25
Location: Dhaka, Bangladesh
From stunning website design to flawless code. Webkraftr offers end-to-end website design and development services—from analytics and strategic consulting through build, rollout, and launch. As a technical partner, we support both established enterprises and fast-moving startups, handling web development as well as ongoing maintenance. Our te... Read More
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Digitla
4.5
193 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Ruby Ember.js C Plus Plus (C++) C Sharp (C#) Python PHP Kotlin Java SQL
2-10
> €10,000
€50 - €74
Location: Barranquilla, Colombia
Creating design centered world class products We craft intuitive websites and mobile experiences, combining thoughtful design with a deep understanding of the people who use them. Read More
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Kodkodkod
5.0
33 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Swift Go Node.js PHP React
11-50
> €1,000
€50 - €74
Location: Lyon, France + 1
Skilled developers for your next web project Kodkodkod is a digital product studio built by independent developers. We focus on websites, apps, online stores, and blockchain solutions. Every person on the team brings the same level of energy and attention to each assignment, because your growth matters to us. We keep it honest: we do not se... Read More
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Digitlay
4.9
39 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Swift XML Python PHP Kotlin Java Objective C SQL
11-50
> €10,000
€25 - €49
Go Digital Digitlay, headquartered in Delhi, India, builds software solutions with a focus on secure mobile apps and web portals. Our projects move through a structured lifecycle, beginning with strategy and continuing through long-term support: **Planning:** We first clarify the product’s purpose, define... Read More
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Rawy Makarem SEO Specialist, Web Deve...
4.8
16 reviews
TOP RATED
Expertise
Focus Areas
Python PHP SQL
1
> €1,000
€25 - €49
Location: Madrid, Spain
SEO That Converts, Marketing That Grows I help companies turn their online channels into engines for sustainable, trackable growth. Drawing on more than ten years in SEO, digital marketing and eCommerce, I’ve partnered with both startups and established organizations in a range of sectors, creating strategies shaped by data and each bu... Read More
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Fünf Digital Design Studio
5.0
30 reviews
TOP RATED
Expertise
Focus Areas
JavaScript
2-10
> €10,000
€100 - €149
Location: Porto, Portugal
Webflow Expert We blend inventive digital thinking with advanced web engineering, delivering polished online experiences backed by strong design expertise and deep technical know-how. Read More
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Appdrawn Software Development
5.0
1 review
TOP RATED
Expertise
Focus Areas
JavaScript
11-50
> €50,000
€50 - €74
Location: Barcelona, Spain
Speak to UK-based experts • Award-winning service Based in London and Barcelona, Appdrawn creates tailored software and has earned multiple industry awards. We take a consultancy-first approach to building high-calibre digital platforms, business systems, progressive web apps (PWAs) and mobile applications. “Working together was a brilliant exp... Read More
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Actency
4.9
19 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Swift C Sharp (C#) XML Python PHP Java TypeScript
51-200
> €1,000
€25 - €49
Location: Paris, France + 1
Actency, Drupal Agency Leader in France Actency, a leading Drupal agency in France, certified partner ranked among the top three French agencies on Drupal.org Actency is a French web and digital agency focused on Drupal. It is known for building and running mission-critical web portals with high stakes: strategic platforms, highly com... Read More
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TechAhead
4.8
16 reviews
TOP RATED
Expertise
Focus Areas
JavaScript Swift C Sharp (C#) Python PHP Kotlin Java
51-200
> €50,000
€25 - €49
Location: Agoura Hills, USA + 1
Leader in Enterprise AI and Product Engineering TechAhead creates AI-enabled products and enterprise platforms designed to succeed in the real world—with strong security, practical adoption, and room to grow. As a Claude Partner, OpenAI Services Partner, AWS Advanced Tier Services Partner, Google Development Partner, and Microsoft AI Cloud Par... Read More
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Top Javascript Development Companies 2026 Rankings & 9,556 Client Reviews for 768 Service Providers

Featured Javascript Development Companies

Leading Javascript Development Companies

List of the Best Companies for JavaScript Development

iDISC Information Technologies, S.L.

Applaudo

BRUMAIRE

Contra Studio

Brightness Group

Kernix

AquilApp

MarsBased

Esilab

Code Barcelona

Qbus Internetagentur GmbH

Webkraftr

Digitla

Kodkodkod

Digitlay

Rawy Makarem SEO Specialist, Web Deve...

Fünf Digital Design Studio

Appdrawn Software Development

Actency

TechAhead

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