List of the Top JavaScript Development Companies
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$25,000+$50 - $99 / hr50 - 249San Francisco, CA
“Yellow has all the resources we need, and they’ve helped us narrow down our focus so we can deliver faster.”
- VP of Engineering, Technology Company
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$25,000+$50 - $99 / hr50 - 249La Plata, Argentina
"They were all involved and committed to our project."
- Former Founder, CTO & CPO, WootCloud Inc
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$25,000+$150 - $199 / hr10 - 49Denver, CO
"Their talent level and attitude were incredible. We eventually used them for talent recruiting and work support."
- VP of Product, Mortgage Company
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$10,000+$100 - $149 / hr10 - 49Atlanta, GA
"The were extremely professional but made me feel at home."
- CEO, Resurgens Security Services
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$5,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
"The flexibility, professional consulting, fast delivery, and quality were impressive."
- Project Manager, UPASS Ltd.
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$25,000+$50 - $99 / hr50 - 249Groningen, Netherlands
"Interactivated Solutions has been a great partner that has exceeded my expectations."
- CEO, Biotech Research Company
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$10,000+$50 - $99 / hr50 - 249Kraków, Poland
“They go above and beyond in terms of their deliverables.”
- Executive, Senior Care Platform
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$10,000+$100 - $149 / hr50 - 249Vancouver, Canada
"We have been very pleased with their work, which is why we continue to work with them for so many years."
- Strategic IT & Marketing Manager, US Micro Products
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$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
“We have a true partnership with them; we work on and solve problems together.”
- Head of Marketing, Financial Services Company
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$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
“Xmartlabs is a truly well-run organization from top to bottom.”
- Founder & CEO, CYTK.io
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$50,000+$150 - $199 / hr250 - 999Irvine, CA
“Everything was quite an amazing experience; I couldn’t be more pleased with their work.”
- CEO, Ancient Faith Radio
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$25,000+$25 - $49 / hr1,000 - 9,999Plano, TX
"We're delighted with their work so far."
- Executive, Insurance Software Solutions Company
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$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
"The Software House has been a key partner since day one."
- Founder, PMG
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$50,000+$50 - $99 / hr250 - 999London, United Kingdom
"There has been no fluff to it. One Beyond (formerly DCSL GuideSmiths) is open and straightforward about what we need…"
- Software Engineering Manager, Global Coffee Company
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$25,000+$25 - $49 / hr50 - 249Los Angeles, CA
"No one else can provide this kind of response. They’re very reliable."
- CEO, Strategic AE Holding
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$5,000+< $25 / hr250 - 999Kolkata, India
"The developers feel like a part of our team."
- CEO, Stainly Sarl
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$25,000+$50 - $99 / hr50 - 249Zürich, Switzerland
"They always try to find a solution, and they work above and beyond to keep the customer happy."
- Co-Founder & CEO, Secro Inc.
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$10,000+< $25 / hr250 - 999Ahmedabad, India
"They've been very helpful and quick to resolve any issues."
- Lead Developer, Web Genius
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$5,000+$25 - $49 / hr50 - 249Odesa, Ukraine
"I was amazed by Halo Lab's efficient and productive workflow."
- CEO, Happy
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$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
"They solved problems in a quick and efficient way."
- CPTO, DirectID
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$5,000+$50 - $99 / hr250 - 999Kraków, Poland
"They can deliver high-quality products while maintaining cost-efficiency."
- CTO, Huckleberry Labs
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$100,000+$50 - $99 / hr250 - 999Zagreb, Croatia
"They’re a very strong team to work with."
- Product Manager, News Outlet
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$5,000+$25 - $49 / hr50 - 249London, United Kingdom
"Throughout hardship, they've been honest — willing to keep high standards to successfully complete project on time."…"
- COO, Virtusize
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$10,000+$25 - $49 / hr50 - 249Rutland, MA
“They were accommodating of the changes in the scope and flexible in meeting our vision for the final product.”
- CEO, Mediphany
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$50,000+$25 - $49 / hr50 - 249New York, NY
"We have a dedicated project manager from Digis who takes our relationship very seriously."
- Director of Engineering, HubSpot
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$25,000+$50 - $99 / hr50 - 249London, United Kingdom
"They always deliver on time and are very responsive to changes in scope."
- Co-Founder & CPO, Lotto Billions
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$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
"The way they had a 360-degree view of every feature even before they are pushed into production gave me peace of mind."
- Founder & CEO, Vision First LLC
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$5,000+< $25 / hr50 - 249Nadiad, India
"It is an absolute pleasure to cooperate with them!"
- Founder, Praep Sports
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$25,000+$25 - $49 / hr50 - 249Fremont, CA
"They were great with communication and very quick with their responses."
- Former Senior General Manager, Automotive Manufacturer
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
"The feedback from our existing customers who got access to the deliverable was all overwhelmingly positive."
- VP, Engineering & Product, Sports Info Solutions
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$10,000+$50 - $99 / hr50 - 249Austin, TX
"They quickly grasped what we wanted to do and have designed and delivered solutions to achieve this."
- Chairman, Laurus Law
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$10,000+< $25 / hr50 - 249Sheridan, WY
“ATEAM SOFT SOLUTIONS has produced an excellent deliverable that has been invaluable for our business.”
- IT Manager & Estimator, Collins Constructions
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$10,000+$25 - $49 / hr50 - 249Tallinn, Estonia
"Their dedication to providing a quality app and their commitment to making it better on a daily basis are impressive."
- Director, Referral Manangement Systems Ltd
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$10,000+$50 - $99 / hr50 - 249Gdańsk, Poland
“We were impressed that they could deduce what we wanted and deliver beyond our expectations.”
- Owner, Aegis Consent
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$25,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
“They’ve been very responsive and proficient in their communication with us.”
- Founder, Investment Platform
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$5,000+$25 - $49 / hr50 - 249Novi Sad, Serbia
“Our developer had a lot of experience and was able to guide us.”
- Director of Development, Cayenne Creative
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$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
"The team has integrated well with our developers and became productive quickly."
- Managing Director, Luma Financial Technologies
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$25,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
"On an organizational level and an employee-specific level, their responsiveness is unmatched within their industry."
- VP of Engineering, Living Security
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$25,000+$50 - $99 / hr250 - 999Poznań, Poland
''They delivered quality work thanks to their aim of turning in the best possible results.''
- Executive, Modern Healthcare Company
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$25,000+$50 - $99 / hr250 - 999Poznań, Poland
“They’re very interested in pushing the project forward by bringing their knowledge to the table.”
- Founder, SaaS Platform
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$10,000+$100 - $149 / hr50 - 249Brooklyn, NY
"Five Jars is truly the best website development and support partner I have worked with."
- Senior Director, YMCA of Pierce & Kitsap Counties
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$50,000+$50 - $99 / hr50 - 249Aventura, FL
"I'm really happy with everything they've done for us — they've done a great job."
- Co-Founder & Head of Business Dev, Healthcare Startup
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$50,000+$25 - $49 / hr50 - 249Belmont, CA
“The team is committed to first-class outcomes.”
- CTO, Financial Services Organization
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$10,000+$25 - $49 / hr50 - 249New York, NY
“They take on any challenge and quickly create requested features.”
- Head of Development, CQ fluency
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$10,000+$150 - $199 / hr10 - 49Greenville, SC
"Working with Designli has been one of the best experiences I’ve ever had."
- CIO, National Trench Safety LLC
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
"If we ever take one of our projects in-house, our developers will be able to understand all of the code."
- Director of Web Engineering, Riverside.fm
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$50,000+$25 - $49 / hr50 - 249L'viv, Ukraine
“Artelogic’s skill set is fantastic, and their work ethic is exceptional.”
- Executive, SaaS Company
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$5,000+$25 - $49 / hr250 - 999San Francisco, CA
"They acted as an extension of our development team."
- Head Engineer, IT Services Company
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$25,000+$50 - $99 / hr50 - 249Princeton, NJ
"Their punctuality and delivery capabilities were exactly as advertised." "
- CEO, Project Ipsilon B.V.
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$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
"I'm absolutely satisfied with our cooperation and can recommend the KeenEthics team as a group of professionals."
- CEO, GetPart
