
Top 100 JavaScript Developers
September 2023Looking for a top JavaScript development company?
Developers use JavaScript to make web pages responsive and interactive. JavaScript is a text-based programming language used in web development, typically alongside CSS and HTML. Some common use cases for JavaScript are menus, animations, or interactive maps.
That's why we've created this list of the best JavaScript developers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
>List of the Best JavaScript Development Companies
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1
- $10,000+
- 50 - 249 employees
- Kraków, Poland
Xfive is a full-stack software house in Krakow, Poland that serves businesses, startups, and creative agencies. Its team of around 50 has delivered web & mobile apps, websites, and e-commerce solutions since 2005 to its clients.
Clients
- Yanmar
- OECD
- SmartRecruiters, Inc.
- Departments of UC Berkeley
Industries
Notable Project
A news and media network has hired Xfive for web design and development services. Using Figma for design, they've created the client's WordPress site from scratch.
''I recommend partnering with them because they're a good team.''
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2
- $10,000+
- 50 - 249 employees
- Vancouver, Canada
ImageX is a web design and development agency founded in 2001. They are based in Vancouver, British Columbia and have an additional development center in Kiev, Ukraine. ImageX is a mid-sized, well-established firm with just over 40 employees, all specializing in Drupal development. They have been a Drupal-exclusive agency since 2006 and are considered experts in development for the open-source CMS. ImageX's experience has earned them the business of several globally relevant brands seeking complex Drupal solutions.
Clients
- Apple
- Stanford University
- YMCA
- Adidas
Industries
Notable Project
ImageX redesigned a private university's Drupal website. Their tasks included creating a content strategy, design concepts, and a style guide, web development, QA, and video production, among other items.
"They were a delight to work with and were truly an extension of our in-house team."
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3
- $10,000+
- 50 - 249 employees
- Montevideo, Uruguay
Xmartlabs is a software product development firm based in Montevideo, Uruguay with a US office in San Francisco. Established in 2012, the company employs about 30 employees that focus on developing operations management and business applications. Their services include mobile development for Android and iOS, web app development, and UI/UX design.
Clients
- CipherHealth
- Albumii
- Chefsfeed
- Nobly
Industries
Notable Project
A media company has hired Xmartlabs for software development. Their deliverables include a livestreaming platform, an event marketplace, and a creation subscription product, among others.
''Xmartlabs responds quickly to the needs of our business.''
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4
- $10,000+
- 1,000 - 9,999 employees
- Plano, TX
Experion Technologies develops software solutions, mobile apps, cloud services, and IoT platforms. Established in 2006 and based in Addison, TX, their 350+ experts have created digital solutions for over 110 clients in the sectors of finance, retail, supply chain, and health.
Clients
- Duracell
- Speedo
- TopGolf
- Bacardi
Industries
Notable Project
A law firm has hired Experion Technologies for mobile app development. Using C# and Angular, they're building an app for case, document, calendaring, billing, and time tracking management, among other features.
"Experion Technologies' dedication and communication are what distinguish them from other providers."
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5
- $50,000+
- 50 - 249 employees
- Chelsea, Australia
XWP is a web agency founded in Chelsea, Australia in 2005 with over 50 employees. They offer web development, web design, and UX/UI design solutions to mid-market and enterprise-level clients in the fields of IT and media.
Clients
- News Corp
- Automattic
- Rolling Stone
Industries
Notable Project
XWP has helped an EdTech startup create a professional blog to scale and increase their traffic. They've worked on achieving the client's requirements regarding the blog's home page, categories, and posts.
"XWP fills the WordPress gap we have on our development team."
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6
- $1,000+
- 250 - 999 employees
- New York, NY
CSSChopper is a conversion service provider founded in 2009. Based in Noida, India, with an office in the United States, the team of five specializes in web development, e-commerce development, and custom software development. They primarily serve midmarket clients in the business services, government, and transportation industries.
Clients
- Coca-Cola
- HP
- Necco
- Duracell
Industries
Notable Project
A food technology company needed to take their business online and create an intuitive website for their customers. CSSChopper designed and developed a site from scratch using PHP, MySQL, and AWS.
“CSSChopper did whatever we asked them without questions.”
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7
- $50,000+
- 250 - 999 employees
- Irvine, CA
Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.
Clients
- Splunk
- Tommy Car Wash Systems
- ScoutUS Pro
- Logitech
Industries
Notable Project
Vincit helped a technology startup develop the first version of their iOS and Android mobile app using GitHub and Google Cloud. Their scope included UI/UX design, API development, and app testing and support.
“Vincit’s customer care and depth of knowledge were impressive.”
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8
- $10,000+
- 50 - 249 employees
- Gliwice, Poland
Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects.
Clients
- eSky.com
- GoConnectIT
- Reservix
- Pet Media Group
Industries
Notable Project
The Software House is developing an AWS-hosted platform for a fintech company. The team uses Node.js, TypeScript, SATCOM, and Terraform to build the front- and backend and offers architecture consulting.
“The Software House is great at merging their team with ours and co-delivering.”
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9
- $10,000+
- 50 - 249 employees
- Sheridan, WY
Ateam Soft Solutions is a digital solutions services provider in Australia that partners with brands and SMEs to deliver custom Applications services to achieve the agility required to improve operation, reduce costs, & enhance customer experiences. Founded in 2013, they have about 67 employees whose experts bring together a blend of strategy, process, people, and technology, combined with the power of data, to deliver a powerhouse of technology capabilities and be ever–ready for every opportunity.
Clients
- Blacksmith International, USA
- Larcombe.tech, UK
- CrowdPatch, UK
- Omega Learning, Atlanta
Industries
Notable Project
ATEAM SOFT SOLUTIONS developed a gamification solutions platform for a gamification company. The team developed the front- and backend using React and Laravel, integrating admin and management portals.
"They responded quickly and made sure to understand our needs before proceeding to do the work."
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10
- $5,000+
- 250 - 999 employees
- San Francisco, CA
GeekyAnts is a mobile app development company that's headquartered in Bangalore, India; they also have a London office. They were founded in 2006 and have about 59 employees that provide services for mobile app development, web development, and UX/UI design services to clients of all sizes in a wide array of industries.
Clients
- Google LLC
- Siveco Romania
- ChildMind Institute
- Tellius
Industries
Notable Project
GeekyAnts has built a mobile application for a laundry services provider. The team has developed both the front- and backend of the app.
"Their team is absolutely well versed and strongly bonded with one other."
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11
- $50,000+
- 250 - 999 employees
- Farnborough, United Kingdom
One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups
Clients
- Smith & Nephew
- GAIL's Bakery
- Costa Express
- Pearson
Industries
Notable Project
One Beyond (formerly DCSL GuideSmiths) developed a cloud-based web app for a contract company. The digital tool lets users define large construction projects and streamlines the procurement process for contractors.
“Whenever there was a problem, they helped us come up with a solution.”
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12
- $50,000+
- 1,000 - 9,999 employees
- San Francisco, CA
Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.
Clients
- Toptal clients include J.P. Morgan
- Zendesk
- Artsy
- IDEO
Industries
Notable Project
Toptal developed the app and branding of a sports betting aggregator and scoring engine. The project's main goal was achieving growth for the client company.
"They went above and beyond."
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13
- $25,000+
- 1,000 - 9,999 employees
- New York, NY
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
Clients
- ClassPass
- ZEFR
- Gain Capital (forex.com)
- Merkle
Industries
Notable Project
Vention provides staff augmentation services to a SaaS solutions provider. The scope includes software and feature development and maintenance across the product line.
"They are all developers capable of delivering their responsibilities."
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14
- $10,000+
- 50 - 249 employees
- Tallinn, Estonia
Perfsol is a software company founded in Lviv, Ukraine in 2018 with fewer than 50 employees. They offer mobile app development, web development, and UX/UI design solutions to small and mid-market firms in the fields of hospitality, media, and financial services.
Clients
- MXNEY
- Urban Dictionary
- Allego
- Transformify
Industries
Notable Project
Perfsol provides mobile app development services for an IT services company. They've helped the client develop a custom Android video player app with various functionalities.
"Perfsol's expertise in mobile development allows them to deliver high-quality solutions and services."
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15
- $25,000+
- 50 - 249 employees
- Los Angeles, CA
Softermii is a software development firm with offices in Los Angeles and Kiev, Ukraine. Founded in 2014, Softermii's team of about 30 employees specializes in web and mobile app development. The team also offers UI/UX design services. Softermii primarily works with small and mid-market clients in the retail, real estate, and business services industries.
Clients
- Events10x
- Dollar Shave Club
- French Real Estate Association
- Rently
Industries
Notable Project
Softermii built a mobile and web app for a fintech company. The team created a secure P2P money transfer solution with a live chat feature and integrated card lists into the mobile wallet.
"There was no problem without the best possible solution for them."
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16
- $25,000+
- 50 - 249 employees
- Zürich, Switzerland
S-PRO is a mobile app and blockchain development company based in Kiev, Ukraine. Founded in 2014, S-PRO's team of around 100 employees specializes in mobile app development, blockchain, and UI/UX design. S-PRO primarily works with small and midmarket clients.
Clients
- Hastings Deering
- Exaloan
- Modo Energy
- JobDone
Industries
Notable Project
S-PRO has developed a web application for a fintech startup. The app is intended to do product marketing in the financial sector; they’ve built it based on a previous MVP.
“We’re very happy with the team we have today; they take our feedback and do everything they can to satisfy our needs.”
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17
- $5,000+
- 50 - 249 employees
- Sharjah, United Arab Emirates
Halo Lab is a full-stack design and development agency located in Odessa, Ukraine. The 12-person team offers UX/UI design, web design, and logo services to small business and midmarket clients in the consumer products & services, advertising & marketing, and business services industries.
Clients
- Auth0
- Mobalytics
- Mighty Buildings
- Wave Video
Industries
Notable Project
Halo Lab has redesigned a charity foundation's donors portal using Figma. The team has updated the client's portal with a new interface and made it compatible with desktop and mobile versions.
"Halo Lab keeps pivoting based on new ideas and brainstorms that we have throughout the project."
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18
- $50,000+
- 50 - 249 employees
- Aventura, FL
Light-It is a software solutions company based in Montevideo, Uruguay with a second office in Asuncion, Paraguay. It was founded in 2016 and maintains a small team of 2 specialists. Light-It provides web development, custom software development, e-commerce development, UX/UI design, and mobile app development services. Their client base mostly includes small businesses.
Clients
- Best Buy
- Chevrolet
- Mobil
Industries
Notable Project
A telehealth company hired Light-it to build a custom administrative dashboard that connects with an API. The solution would allow school telehealth administrators easily manage student and staff schedules.
"Light-it was highly communicative and delivered everything we asked for in over four sprints."
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19
- $25,000+
- 50 - 249 employees
- Warszawa, Poland
Fively is a web development company based in Warsaw, Poland. Founded in 2018, they have 100+ employees specializing in full-cycle web app development for small and midsize businesses in eCommerce, FinTech, Real Estate, and HealthTech industries. Services include web development, cloud development, workflow automation, and system integration.
Clients
- SNAP
- Zentist
- Uniqkey
- BloXmove
Industries
Notable Project
Fively provides design and development services for an IT consultancy. They've designed the platform's UX/UI, developed features, implemented security protocols, and automated integrations.
"They are experts in their field, and we rely heavily on their technical knowledge."
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20
- $10,000+
- 50 - 249 employees
- Rotterdam, Netherlands
Lizard Global is a full-stack digital company based in Rotterdam, Netherlands, with an office in Kuala Lumpur, Malaysia. The company, founded in 2012, has a team of more than 20 that provides mobile app development, web development, UX/UI design, and business consulting services to small and larger-sized companies and institutions in the business services, education, financial services, and other industries.
Clients
- Heineken
- Nationale Nederlanden
- KFC
- SKOON
Industries
Notable Project
Lizard Global collaborates with a digital solutions company on various custom development projects. Their work includes front- and backend development, UI/UX design, and data analysis.
"Lizard Global is a reliable and proficient partner."
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21
- $50,000+
- 50 - 249 employees
- Tallinn, Estonia
Riseapps is a design and development agency based in Kharkiv, Ukraine. With around 15 employees, Riseapps provides mobile app development, web design, web development, custom software development and UX/UI design services. Riseapps provides services to clients in the consumer products & services, business services and healthcare & medical fields.
Clients
- Nikon
- Fit20
- Viemed
- Virgin Trains
Industries
Notable Project
Riseapps provides UX/UI design services for a personal coaching and support company. The team has updated the design for two types of users: end customers and experts.
"He had a keen eye for detail and was proficient in creating clean and simple designs that were intuitive to users."
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22
- $5,000+
- 250 - 999 employees
- Kolkata, India
Capital Numbers is a digital production outsourcing company headquartered in Kolkata, India, with additional locations in Beerwah, Australia, Dover, Del., and the U.K. The company was founded in 2012, and has a team of nearly 300 people who provide web development, custom software development, mobile app development, and e-commerce development. They provide services mostly to mid-market businesses, but also to enterprise and small businesses. The businesses they serve are in different industries including the advertising & marketing, business services, and financial services industries.
Clients
- Consumer Reports
- Amount
- Thomson Reuters
- Tipalti
Industries
Notable Project
Capital Numbers revamped the website of a wealth management company. Their work included adding features like pop-ups and modules, splitting the backend into two sides, and editing and polishing its content.
"They were timely and fast. I would highly recommend Capital Numbers."
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23
- $25,000+
- 50 - 249 employees
- L'viv, Ukraine
Founded in 2015, Incora is a software development firm that offers web development and custom software development to their mid-market, small business, and enterprise clients in the business services, education, and healthcare industries. Their 50 employees are based out of Lviv.
Clients
- Ralph Wutscher
- Sven Crone
- Thomas Hambridge
- Grover Righter
Industries
Notable Project
Incora has developed a scalable e-commerce website for a web development agency using React, TypeScript, and GraphQL. The team has created a modular, reusable codebase and built advanced security features.
"The company's focus on delivering high-quality work is evident in their attention to detail."
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24
- $10,000+
- 50 - 249 employees
- Rutland, MA
Scopic is a software development and creative digital marketing company from Boston. Founded in 2006, their team consists of over 280 developers, designers, and marketers from around the world.Their services include web, mobile, and desktop development, as well as digital marketing services such as SEO, content marketing, and social media marketing.
Clients
- Mediphany
- OrthoSelect
- Endovantage
- SketchList
Industries
Notable Project
A cryptocurrency company hired Scopic to develop a custom token. The team also guided the client around the cryptocurrency industry and developed white papers that contained information for future investors.
“All of their members were instrumental in helping us along the way.”
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25
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.
Clients
- FieldBI
- AutoBI
- AgroTop
Industries
Notable Project
A virtual care management company hired Softblues to build a web-based texting platform and integrate it with a registered Twilio number. The tool provided resources depending on users' survey responses.
"They were very kind people and a pleasure to work with."
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26
- $5,000+
- 50 - 249 employees
- Chicago, IL
PopArt Studio is a professional digital agency based in Novi Sad, Serbia, and founded in 2010. They have a team of 27 employees who specialize in web design, web development, and UX/UI design. They mainly work with small businesses in the IT, eCommerce, and marketing industries.
Clients
- PepsiCo
- Schneider Electric SE
- Lear Corporation
- Nike Inc
Industries
Notable Project
PopArt Studio provides ongoing SEO and website optimization services for a mobile phone accessories and gadgets retailer. They work to enhance the client's online visibility and increase sales and conversions.
"We have reached our goals, multiplied our conversions, and are still advancing."
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27
- $10,000+
- 1,000 - 9,999 employees
- Ahmedabad, India
Since its founding in 2011, Bacancy Technology has grown from one office in Ahmedabad, India, to 130+ employees in 8 offices across the US, Canada, Europe, and the Middle East. They specialize in mobile app development and also offer IoT development, blockchain, and digital marketing.
Clients
- All I Want
- Beacon Research
- Torah Class
- Sidekiq
Industries
Notable Project
Taking over a previous vendor, Bacancy has built an online marketplace and designed and developed a mobile app for a technology startup. They're in charge of the solutions' ongoing maintenance and development.
“Bacancy’s high-quality work makes them stand out from other service providers.”
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28
- $10,000+
- 50 - 249 employees
- Kyiv, Ukraine
Software provider Django Stars is based in Kiev, Ukraine. Founded in 2008, the agency and their team of 60 specializes in web and custom software development for primarily midmarket clients.
Clients
- MoneyPark
- PADI Travel
- MOLO Finance
- Scoperty
Industries
Notable Project
Django Stars developed a web application's MVP for a financial services company. The team was responsible for front- and backend development, UI/UX design, and Microsoft Azure implementation.
"They were a great team, helpful, and supportive."
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29
- $10,000+
- 10 - 49 employees
- Covina, CA
AVA.codes is a front-end development company with offices in Berlin and Kyiv, Ukraine. Founded in 2017, their 20+ are experts in web development and keeping a narrow focus on programming user interfaces.
Clients
- TraceSafe(CNSX: TSF)
- Shopify(NYSE: SHOP)
- Deloitte
- SkillDirector
Industries
Notable Project
An e-learning platform hired AVA.codes to help them with designing and developing their website. The team worked on creating interactive elements on the website and ensuring it was responsive and optimized.
"They were invested in helping us rather than just finishing the project quickly."
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30
- $25,000+
- 50 - 249 employees
- Fremont, CA
CognitiveClouds is a mobile app development company that was founded in 2012. CognitiveClouds has locations in Fremont, Calif. and Bangalore, India, where its team of 73 provides mobile app development, web development, and UX/UI design services to small and enterprise businesses alike.
Clients
- Walmart
- Verizon Media
- UBS
- Volkswagen
Industries
Notable Project
CognitiveClouds helped a software development firm build custom software that would manage all aspects of construction, from design to project handover.
"The deliverables were mostly on time, and the team responded actively to our needs."
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