Top 80 JavaScript Development Companies in Boston

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Top 80 JavaScript Development Companies in Boston

December 2022

Looking for a top JavaScript developer in Boston?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. 

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List of the Best Boston JavaScript Developers

  • 1
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 250 - 999 employees
    • Boston, MA

    A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.

    Clients

    • Golflogix
    • Volkswagen
    • Microsoft
    • Harvard University

    Industries

    Notable Project

    Zco developed a custom business intelligence app. They used multiple technologies on the project.

    "Zco is truly a value-added partner to our company."

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  • 2
    • Scheduling

      4.5
    • Quality

      4.6
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • Boston, MA

    Founded in 2007, hedgehog lab is a global software consultancy of 200+ that specializes in multi-platform software and device innovation. Headquartered in London with six offices across three continents, their team architects, designs, and develops app solutions that prepare brands for the future of post-PC devices.

    Clients

    • Aviva
    • AJ Bell
    • LaserShip
    • Santander

    Industries

    Notable Project

    hedgehog lab works on app development for Android and iOS for an InsurTech company. They’ve built a software development kit for the client’s mobile technology using JavaScript, Kotlin, Swift, and Objective-C.

    “hedgehog lab invests time and effort into our products and creates greater opportunities for us to explore together.”

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  • 3
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    The Gnar Company, Inc. is a computer software company based in Boston and founded in 2015. Their team of around 15 provides a variety of services including custom software, mobile app, and web development. They often partner mid-sized and enterprise businesses in a large number of sectors. 

    Industries

    Notable Project

    The Gnar Company developed a chemical threat first-responder application with information on safety procedures, a searchable index, and other safety-enhancing functionality. The app is cross-platform.

    "We weren’t just a project to them. They catch up and ask how the app is running.They really care about our end-users."

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  • 4
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    Dedicated Developers are a web, mobile app, and e-commerce development firm based in Alpharetta, GA, with an office in Castro Valley, CA. This 50+ team has been offering top-tier digital solutions and frictionless project management since 2007.

    Clients

    • Corning Gorilla Glass
    • Kripalu
    • Walmart
    • Get Momentum

    Industries

    Notable Project

    Dedicated Developers developed an iOS app for a roofing company. They provided UI screen designs, and are now making final adjustments and adjustments.

    "The willingness to do what was needed to achieve my objectives made me feel positive about the experience."

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  • 5
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    Third & Grove is a web development firm headquartered in Boston with an additional office in San Francisco. Founded in 2013, they have 34 employees and have worked with well-known brands in sectors such as food & beverage and financial services. Third & Grove provides web design and development, e-commerce development, UI/UX design, and digital strategy for primarily midmarket-sized clients. 

    Clients

    • King Arthur Baking Company
    • UKG
    • Benefit Cosmetics
    • Seventh Generation

    Industries

    Notable Project

    Third & Grove led web development on Drupal 7, focusing on responsive redesign. They collaborated with an in-house designer, and also assist in analytics, ad tags and ongoing maintenance.

    "We’ve been very happy with the quality of work they do and the timely manner in which they get things done." 

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  • 6
    • Scheduling

      4.8
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Boston, MA

    PurpleFire is a small software development firm established in 2021. Their team focuses on custom software development, web development, e-commerce development, blockchain, and more. The firm is based in Køge, Denmark.

    Industries

    Notable Project

    PurpleFire was hired by an e-commerce store for UX, checkout flow, and conversion rate optimization improvements. They helped the client improve product pages to be more helpful to their customers.

    "We had a really good experience with PurpleFire."

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  • 7
    • $50,000+
    • 10 - 49 employees
    • Boston, MA

    Create + Conquer is a digital agency that specializes in web design and development, as well as UX/UI design and digital strategy. Based in Boston, MA, Create + Conquer is composed of fewer than 10 employees and is committed to serving mostly mid-market businesses in the business services and non-profit industries.

    Clients

    • The MSPCA-Angell
    • National Geographic Learning
    • Curinos
    • Appalachian Mountain Club

    Industries

    Notable Project

    A nonprofit learning environment tasked Accomplish Media with migrating an outdated custom-built site onto a new CMS for easier management. They built the website using WordPress.

    "The team was very accessible and hands-on with this project."

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  • 8
    • $75,000+
    • 50 - 249 employees
    • Somerville, MA

    OHO Interactive is an interactive agency that provides web development, web design, and digital strategy services located in Somerville, Mass. Founded in 1998, they have a team of about 70 employees who support midmarket clients in a few industries: education, healthcare and medical, and nonprofit. 

    Clients

    • Dartmouth College
    • Harvard University
    • Columbia Law School
    • Norwich University

    Industries

    Notable Project

    OHO Interactive redesigned and developed a website and CMS. They also provided branding support and created relevant materials to launch a new, specialized site. Their team supplies ongoing support.

    "They’re able to provide quality insights and guide us toward success."

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  • 9
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.2
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • Hingham, MA

    Founded in 2010, DockYard is a digital product agency in Boston that focuses on custom software, mobile and web app design and development. DockYard caters to startups, mid-market, and enterprise clients nationwide and also offer UX, staff augmentation, and training. Their 80-person team develops using Ember, Elixir, and Phoenix. 

    Clients

    • Netflix
    • Apple
    • Nasdaq
    • McGraw-Hill Education

    Industries

    Notable Project

    Using Elixir, DockYard supported the rebuild of an automotive marketing site. They wrote reusable code, designed a database, and built the architecture. They executed reporting abilities and AWS integrations.

    "It didn’t feel like their team was ever stumped, which struck me."

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  • 10
    • $25,000+
    • 50 - 249 employees
    • Boston, MA

    Ballast Lane Applications is an app development company founded in 2011 and located in Marblehead, Mass. The team of fewer than 50 employees offers custom software development and mobile app development services. Their clientele comprises mostly small businesses.

    Clients

    • Reibus International
    • FreshAir Sensors
    • Annise
    • Logical Buildings

    Industries

    Notable Project

    Ballast Lane Applications LLC provides software engineers to augment the agile development teams of an energy efficiency company. They work mostly on backend development projects using Python and Django.

    “Ballast Lane has very professional developers and engineers to work with, and they offer very strong communication.”

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  • 11
    • Scheduling

      5.0
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    Boston software and web development company Vermonster offers full-service design and development for applications across platforms. Prioritizing visual design and user experience, Vermonster's 20-person team has produced digital experiences for clients in sectors from medicine to education to government. With a focus on Ruby on Rails and JavaScript, Vermonster's robust development team has created web apps, desktop software, sophisticated chatbots for Facebook and Slack, and mobile apps for a number of high-profile clients.

    Clients

    • McKesson
    • Autodesk
    • Harvard Business Review
    • City of Boston

    Notable Project

    Vermonster designed and developed a website as a note-taking tool for medical school students. Other features include a heat map and a community feed to monitor where and how learning takes place.

    "They went above and beyond in terms of bringing us more features than we had initially thought possible.”

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  • 12
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Lynnfield, MA

    Founded in 2001, Going Clear Interactive is a web design and development company based in Boston, MA. With fewer than 10 employees, GoingClear Interactive has nearly two decades of experience working with mostly small and mid-market businesses. Their services include web design, web development, and e-commerce development.

    Clients

    • Houghton Mifflin Harcourt
    • SAP
    • Underscore VC
    • ProcessUnity

    Industries

    Notable Project

    Starting from comps, GoingClear Interactive developed, designed, and built a new website. They led all aspects from coding, testing, and post-launch performance benchmarks.

    "I didn't just get a good website, I got a sales tool that’s perfect for my business and brand."

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  • 13
    • $10,000+
    • 2 - 9 employees
    • Boston, MA

    Kevin Leary is a freelance web developer based in Boston who specializes in single page app development. With a background in Angular, data visualization, and analytical UX/UI, Kevin helps build web applications and websites for clients across the U.S. Founded in 2007, kevinleary.net creates custom WordPress themes and plugins for clients and writes code for large brands.

    Clients

    • EMC
    • Tufts Medical Center
    • Harvard University
    • MIT

    Notable Project

    Kevin helped a major travel agency create a blog on WordPress. The custom WordPress website included APIs that pulled information from the travel agency's main website – translations, images, hotel ratings. The client saw an increase in web traffic and was able to grow its social media audience by sharing content from the blog.

    "Kevin was responsive throughout the project. He’s been available anytime we needed him. Most of the communication was done through email or Trello for managing specific tasks and items which needed to be built." – Marketing Manager, Travel Site

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  • 14
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 10 - 49 employees
    • Arlington, MA

    Involution Studios is a software services firm based in Arlington, Mass. Founded in 2004, the team of 13 specializes in web design and development, mobile app development, and custom software development. They focus on business services, healthcare & medical, and information technology.

     

    Clients

    • 3M Health Information Systems
    • Becton Dickinson
    • Johnson & Johnson
    • Mount Sinai

    Industries

    Notable Project

    Golnvo works with a home nursing company to create the UX/UI for their web application. Apart from this, they also work on development to create an MVP.

    “They’re a small but highly efficient team.”

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  • 15
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    MESH Interactive Agency is a full-service content marketing agency based out of Boston. Founded in 2006, the team of 11 specializes in advertising, branding, and content marketing. 

    Clients

    • Avedro
    • Optos Aziyo
    • Aziyo Biologics
    • Charm Sciences

    Industries

    Notable Project

    MESH Interactive redid the digital marketing strategy, conducting an intensive research phase with key stakeholders. The final deliverables consisted of brand guidelines, consumer personas, and a website.

    “They know how to deliver a project and are adept at figuring out what a client wants out of the end product.”

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  • 16
    • $5,000+
    • 10 - 49 employees
    • Needham, MA

    Founded in 2009, Traktek Partners is a marketing agency headquartered in Needham, Mass. With a focus on mid-market and enterprise companies, a team of 14 specializes in web development, web design, digital strategy, marketing strategy, and PPC. Traktek Partners' clients are typically in the hospitality, leisure, health care, and information technology industries.

    Clients

    • Fishing Gear Directory
    • Sonesta Hotels
    • Tenerife Tourism Board
    • University of Colorado - Boulder

    Industries

    Notable Project

    Traktek Partners provides marketing services for a fishing charters company. They manage the client’s social media accounts and handle Google Ads and Sojern ad campaigns. They’ve also automated email responses.

    “They’re doing everything right.”

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  • 17
    • $5,000+
    • 2 - 9 employees
    • Woburn, MA

    Established in 2015, NL Softworks is a small web development firm. Their team focuses on web development, web design, custom software development, application management & support, and more. The company is based in Marblehead, Massachusetts.

    Clients

    • Bontoni Shoes
    • Patterson Flynn

    Industries

    Notable Project

    NL Softworks serves as an outsourced web development team for a digital marketing agency. They collaborate with the client on building websites, creating content, and conducting SEO work.

    "They always deliver on time."

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  • 18
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • Boston, MA

    Founded in 2015, SERPCOM is a full-service digital marketing agency based in Boston, Mass., with an additional location in Quincy, Mass. With a team of 7, SERPCOM focuses on SEO, web development, and web design. The travel company appreciated that SERPCOM was proactive in proposing website upgrades, including improved security features. With SERPCOM's assistance, the travel company experienced a 100% increase in web traffic.

    Clients

    • Seed Dispensary & Core Museum
    • Concept Properties
    • The Cape Collection

    Industries

    Notable Project

    SERPCOM generates digital strategies to increase online engagement. They’ve assisted with a platform migration, created campaigns, and improved a website in terms of security and SEO, amongst other services.

    “They’ve proved their worth and made me feel confident about increasing my marketing budget.”

     
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  • 19
    • Scheduling

      4.6
    • Quality

      4.9
    • Cost

      4.3
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Somerville, MA

    Echo&Co is a primarily UX/UI agency headquartered in Somerville, Mass., with satellite offices in Louisiana, Virginia, Michigan, and British Columbia. It is a full service digital agency of about 20 employees. In addition to UX/UI, Echo&Co provides web development and product design services. The agency works primarily with midmarket businesses.

    Clients

    • ASPCA
    • BrightFocus Foundation
    • Climate Reality Project
    • Free Press

    Industries

    Notable Project

    Echo&Co worked on website redesign for a large nonprofit. Migrating the site to Drupal, they took the project from strategy to implementation, also optimizing the site’s content for SEO and social media.

    “[T]he site looked much more modern, had a fresh feel, and emphasized our advocacy work."

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  • 20
    • $5,000+
    • 10 - 49 employees
    • Boston, MA

    Mpire Solutions is a Boston based software development company. They were founded in 2010 and have a team of 11 employees who specialize in UX/UI design, custom software development, and digital strategy.

    Clients

    • Manpow LLC
    • Tufts University
    • PepsiCo Inc.
    • IYNAUS

    Industries

    Notable Project

    Mpire Solutions provides ongoing design and development service for a B2B platform for insurance agencies. They have implemented automated plugins to facilitate data transfers via web, Android, and iOS systems.

    "I am impressed by their team’s collective attitude toward the work. It’s clear that they want to contribute."

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  • 21
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Boston, MA

    Revox is a small user experience company. Founded in 2015, the agency is based in Nugegoda, Sri Lanka. Their team specializes in ux/ui design, custom software development, blockchain, IoT development, and more.

    Industries

    Notable Project

    Revox has developed a website for a software company. The team was tasked with designing the website's UX and UI. The goals are to come up with a good MVP that can be used in the market as an additional source.

    "They are responsive, responsible, and friendly."

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  • 22
    • $25,000+
    • 10 - 49 employees
    • Boston, MA

    Zagaran, Inc. is a Harvard-alumni led software development company headquartered in Boston, MA that offers web development, custom software, and mobile apps. Their team has provided software development for clientele ranging from Global 500 companies to universities to government agencies, working primarily with Python, Django, and React/Angular.

    Clients

    • Harvard University
    • MIT
    • Commonwealth of MA
    • Teva Pharmaceuticals

    Industries

    Notable Project

    Picking up development responsibilities where another partner left off, Zagaran Software rebuilt a clinician compensation software from scratch. They created analysis and visualization functionality.

    "They’re willing to engage in projects in a very personal way, committing themselves to their work."

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  • 23
    • $10,000+
    • 2 - 9 employees
    • Boston, MA

    Next Idea Tech, Inc is a custom software development firm headquartered in Beverly, Mass. Founded in 2018, the team has less than 10 employees who primarily provide custom software development and web development services. They work with mid-market and small businesses and work in the health care & medical, e-commerce, advertising & marketing industries. 
     

    Clients

    • SURREAL EVENTS
    • YPrime
    • Arizent
    • Officer Reports

    Industries

    Notable Project

    Next Idea Tech, Inc helps a SaaS company with their cloud migration efforts. They also assist in the client's .NET projects. 

    "They are always communicative and keeps us abreast of any obstacles that they face."

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  • 24
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.7
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 10 - 49 employees
    • Cambridge, MA

    Potick is a software company founded in Cambridge, Mass. in 2020 with no more than 50 employees. They offer web development, e-commerce development, and UX/UI design services for small and mid-market businesses alike.

    Clients

    • The Infinite Mind - Dementia Project
    • Hooga Homes and Gardens
    • Alama Foundation

    Industries

    Notable Project

    Potick provides web development services for a nonprofit organization. The team is working on website projects with the client, helping them post content and update the sites for quick expansion.

    “They have an excellent attitude about getting the work done as professionally as possible.”

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  • 25
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 2 - 9 employees
    • Boston, MA
    Aclarify is a small custom software development firm based in Boston, Massachusetts. They provide custom software development, mobile app development, web development, enterprise app modernization, and more and were founded in 2022.

    Industries

    Notable Project

    Aclarify supported has helped develop a routing and enablement web app, handling backend design and architecture. They also have assisted with refactoring code using the MERN stack to launch the client's MVP.

    "Great implementation of proper backend architecture. Putting the pieces in place to reduce tech debt in the future."

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  • 26
    • $5,000+
    • 10 - 49 employees
    • Boston, MA

    LimeTech is an application development firm established in 2006. Located in Oakland, California and Boston, Massachusetts, their small team specializes in mobile app development, web development, IT strategy consulting, ux/ui design, and more.

    Industries

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  • 27
    • Undisclosed
    • 2 - 9 employees
    • Boston, MA

    Uncut Lab, LLC, a website development firm, is in Boston, Massachusetts. The small team specializes in web development, mobile app development, digital strategy, ERP consulting and SI, and more. The firm was established in 2020.

    Industries

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  • 28
    • $25,000+
    • 2 - 9 employees
    • Beverly, MA

    The Outfit, a website development company, is located in Beverly, Massachusetts. The small company was established in 2012. Their team provides web development, ux/ui design, and web design.

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  • 29
    • $1,000+
    • 2 - 9 employees
    • Boston, MA

    Webfix Studio is a web development firm. Established in 2012, the team specializes in web development, ux/ui design, e-commerce development, mobile app development, and more. Their small company is based in Boston, Massachusetts.

    Industries

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  • 30
    • $10,000+
    • 10 - 49 employees
    • Boston, MA
    Godelm is a website development company and app development firm. Launched in 2015, the small firm is based in. Their services include web development and mobile app development.

    Industries

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