Top 80 JavaScript Development Companies in Denver
September 2023Looking for a top JavaScript developer in Denver?
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. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Denver. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Denver JavaScript Developers
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1
- $250,000+
- 250 - 999 employees
- Broomfield, CO
Gorilla Logic provides nearshore Agile teams to Fortune 500 and SMB companies, bringing unparalleled expertise in the delivery of full-stack web, mobile, and enterprise applications. Founded in 2002 and headquartered in Broomfield, Colo., they have over 500 employees and development centers in San José, Costa Rica and Medellín, Colombia.
Clients
- Arrow Electronics
- DaVita
- Maxar
- Gaia
Industries
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Gorilla Logic provides staff augmentation services to a B2B marketing decision engine. The team provides full stack and frontend engineers who work as part of the client's team.
"The team was onboarded very quickly and was able to start providing value in a short amount of time."
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2
- $50,000+
- 10 - 49 employees
- Boulder, CO
Flatirons Development is a UX/UI product design and software development consultancy, founded in 2018. They employ seven staff in their office in Boulder, Colo., where they focus primarily on product management and strategy, UI and UX design, web development, and native mobile app development. They work with a range of small, midmarket and global companies.
Clients
- Abbott
- Osmosis
- Zeta
- Nomad Health
Industries
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Flatirons designed and developed a B2B platform for a SaaS company. Flatirons also created the client's brand identity and brand style guide and designed the platform according to the new brand.
"I felt that they were very vested in the success of my business."
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3
- $5,000+
- 50 - 249 employees
- Denver, CO
UPQODE is a website design and development agency based in Nashville, Tennessee. Founded in 2015, the team of 40+ specializes in web development, web design, and e-commerce development. They work with small businesses, focusing on information technology, e-commerce, and business services.
Clients
- Think Tank Team - Samsung Research America
- SAA - Spondylitis Association of America
- AmeriFreight Inc.
- DOXO Inc.
Industries
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A landscape management company absorbed another business and needed to redirect their website to the updated site. UPQODE redirected the website and provided web design updates to incorporate the new branch.
"It was a smooth experience, and we would definitely use them again."
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4
- $25,000+
- 10 - 49 employees
- Denver, CO
Tonic, a enterprise app modernization company, is headquartered in Denver, Colorado. The small agency was launched in 2015. Their services include enterprise app modernization, ux/ui design, web development, and mobile app development.
Industries
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Tonic has developed a cloud platform from scratch for a solar services provider. They’ve used several APIs to build a solution that manages customers for the client’s community solar project.
“We’ve enjoyed working with Tonic; they have a good track record.”
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5
- $10,000+
- 50 - 249 employees
- Denver, CO
With headquarters in Denver and offices all over the country, NEWMEDIA specializes in creative and innovative web design and development and SEO. The agency and its nearly 200 employees have created 3500+ websites and applications since they were founded in 1996.
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NEWMEDIA developed a WordPress website and provided digital marketing services for a boarding school. They handled marketing strategic planning and implemented a 3D virtual tour of the campus.
"NEWMEDIA is definitely an expert in their field."
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6
- $25,000+
- 10 - 49 employees
- Denver, CO
Based in Denver, Appit Ventures is a software development company that specializes in creating mobile applications and developing custom software. With around 30 employees and offices in a second and third office in London and India, the company has a portfolio of 300+ clients.
Clients
- The State of Colorado
- Lionshare Negotiations
- Mindful Mamas
- Florence Crittenton
Industries
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Mobikul has built an ERP solution for Android and iOS for a PC software provider. They’ve done web development, billing and operations software, and mobile assets, among other tasks.
"They're great partners."
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7
- $5,000+
- 2 - 9 employees
- Denver, CO
House of Giants is a small website development firm. In Denver, Colorado, the firm was launched in 2015. Their services include web development, web design, ux/ui design, digital strategy, and more.
Clients
- BiggerPockets
- Bonanno Concepts
- Comcast
- Denver Botanic Gardens
Industries
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A brand consultancy has hired House of Giants to build their website. This involves translating XD web design concepts into a WordPress website.
"House of Giants is absolutely worth every penny. I cannot recommend them highly enough."
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8
- $25,000+
- 10 - 49 employees
- Englewood, CO
Located in Denver, CO, Think Tree Solutions has specialized in creating web and mobile applications since its founding in 2015. The small team of 10 works with clients to build products from scratch or to enhance existing products. They offer mobile app development, web development, UX/UI design, and web design services.
Clients
- Healthio
- WiCis
- LuminAID Lab
- Coman Publishing
Industries
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Think Tree Studios developed iOS and Android mobile apps to control a subwoofer’s functionalities, such as volume, crossover, and equalization. They developed the GUI and code from scratch.
“Their personal service set them apart.”
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9
- $25,000+
- 10 - 49 employees
- Denver, CO
Cuttlesoft is a creative product development agency founded in 2009. Based in Tallahassee, Fla., the team of 6 employees specializes in custom software development, mobile app development and UX/UI. They mainly serve small businesses in the IT, entertainment and business services industries.
Industries
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Cuttlesoft designed and developed a cross-platform mobile app for a brew fest hosted by a nonprofit organization, using React Native and Python as the main technologies. They provided support during the event.
“They really cared about the end user and strived to build the right product for the participants.”
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10
- $5,000+
- 10 - 49 employees
- Denver, CO
Neon Rain Interactive is a Denver-based custom web development firm that was founded in 2002. The firm has around 10 employees and provides custom software development, web design, and web development services mainly to small businesses.
Clients
- Sprint
- ADT
- Subway
- Ascent Dental
Industries
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Neon Rain Interactive has redesigned an automotive manufacturer's website. The team has built the site on a new backend framework and server and created custom pages. They've provided SEO and PPC consulting.
"Their wide range of capabilities combined with excellent customer service impressed me and our team."
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11
- $5,000+
- 10 - 49 employees
- Denver, CO
Denverdata Web is a web design and development firm based in Denver, CO. Founded in 1998, Denverdata Web's team of fewer than 5 employees has over two decades of experience working with clients on web design, SEO, and PPC services.
Clients
- Structural Consultants Inc
- MKK Engineering
- Arcwest Architects
- DHM Design
Industries
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An architectural firm hired Denverdata Web to improve their website. The team designed a new WordPress platform, optimizing it for search engines. They also improved functionalities and reviewed content.
"It’s tough to pick one thing, but their professional manner stands out."
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12
- $1,000+
- 10 - 49 employees
- Denver, CO
BLKDG is a Denver-based creative agency that specializes in web development, e-commerce development, and UI/UX design. Founded in 2010, BLKDG's has a small team of 6 employees.
Clients
- Bicycle Colorado
- Patrick Dempsey
- Strafe Outerwear
- Sierra Nevada Brewing Co.
Industries
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A startup accelerator partnered with BLKDG to build a WordPress website with HubSpot integration for their new brand. The goals were to capture inbound inquiries and build a robust membership directory.
"We are seeing inbound inquiries come to our website at a higher rate than with our previous builds."
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13
- $50,000+
- 50 - 249 employees
- Denver, CO
WestLink is a midsize Boulder, Colorado-based software development company. Launched in 2016, the team focuses on custom software development, e-commerce development, mobile app development, web development, and more.
Industries
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WestLink is a pharmaceutical company’s development partner. They’ve initially taken over from another vendor and rebuilt the client’s WordPress website. They’re currently adding functionalities to the site.
"They are accurate and professional in presenting timelines and budgets."
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14
- $5,000+
- 2 - 9 employees
- Denver, CO
Begin, LLC is a boutique app development company based in Denver, with offices in Chicago and Bloomington, Ill. The company, founded in 2016, has a team of less than five that provides custom software development, web development, and mobile app development services to companies and institutions in the business services, arts and entertainment, health care and medical, government, and media industries.
Clients
- Chaser
- GovFlex
- Live Marketing
Industries
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Begin, LLC developed a custom website application for an advertising and marketing agency. After a discovery stage, they created an analytics tool, insights content platform, and mobile application.
"They were not quitters when so many other firms would have gladly given up."
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15
- $50,000+
- 50 - 249 employees
- Denver, CO
BlueModus is a technology agency based in Denver. The agency, founded in 2001, has more than 75 employees and provides web development, custom software development, e-commerce development, and IT strategy consulting services. BlueModus serves mid-market and enterprise companies in various industries that include business services, financial services, and medical.
Clients
- Alzheimer's Association
- American Health Law Association
- Aon
- Amgen
Industries
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BlueModus maintains a healthcare facility's Kentico site. As part of that, the team conducts troubleshooting in order to solve the client's technical issues.
"They’re fantastic, and we have a great relationship."
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16
- $10,000+
- 10 - 49 employees
- Denver, CO
Founded in 2011, Ideas By Nature is a creative agency. Their team of around 15 employees is based in Denver. They focus on blockchain, web design, and branding.
Clients
- FIO
- Dapix
- Trace TV
- SJV
Industries
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Ideas By Nature created a project discovery scope and developed blockchain architecture. They delivered white paper design elements to support a team management product.
“Their attention to detail and creativity is the main differentiator.”
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17
- $1,000+
- 2 - 9 employees
- Denver, CO
Red Egg Marketing is a marketing and advertising agency in Denver. Founded in 2011, they have about 5 employees that serve small-business and midmarket clients in the real estate, financial, and e-commerce sectors. Services include marketing strategy, SEO, and advertising.
Clients
- Castle Building Company
- HM Capital
- Rocket Supply
- EpiCity
Industries
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Red Egg Marketing has designed and developed the branding and website for a real estate investment firm. Now, they take care of their design graphic needs, and they’re currently working on a website redesign.
“They’re a turnkey agency that offers white-glove treatment.”
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18
- $10,000+
- 2 - 9 employees
- Denver, CO
Howard Development & Consulting is a Denver, Colorado-based website development firm. The small company was established in 2009. Their team offers web development, e-commerce development, and web design.
Industries
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Howard Development & Consulting developed a WordPress site for an account management service. Requirements included mobile optimization, web accessibility, a custom 404 page, and more.
"There have been times that someone on Rob's team recommends something that we did not think of to add further value."
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19
- $5,000+
- 2 - 9 employees
- Denver, CO
Bowtie.co, a web design company, was established in 2016. The small team offers web design, custom software development, web development, ux/ui design, and more. The firm is located in Denver, Colorado.
Clients
- USA Cycling
- Fitbit
- Notion
- ShopStatus
Industries
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Bowtie.co was hired by a planning and design services firm for their creative web design services. The team provides the client with ongoing design work so they can interface with their customers seamlessly.
"Bowtie’s pride in their craft has shined through from the start to the finish of these ongoing projects."
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20
- $5,000+
- 10 - 49 employees
- Denver, CO
SoftProdukt is a software engineering company located in Denver. Founded in 1986, they currently have about 8 employees. They provide web, custom software, and IoT development services to midmarket firms and small businesses in government, financial services, and the gambling industry.
Clients
- Central Mining Institute
- KONAR
Industries
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SoftProdukt provides Django and Python development services for a data analytics company. Their work ranges from UI to the technical details of working with data.
"They're a very capable team."
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21
- $1,000+
- 2 - 9 employees
- Lafayette, CO
Buink Web Development is a web development firm based in Lafayette, Colo. Founded in 2009, their team of 6 serves clients in the design and retail sectors. Services include mobile app development and web design.
Clients
- Reebok
- Sherwin-Williams
- Fjallraven
- Pilatus
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Buink Web Development provides development and design staff augmentation for a digital agency. They assist with strategy and manage project elements in Shopify, WordPress, and other technologies.
“They’re an effective extension of our internal team.”
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22
- $1,000+
- 2 - 9 employees
- Englewood, CO
Elasticis is a data science and AI-based software development house with a core team of under 10 employees working out of Englewood, Colo. Since 2018, they've offered a range of services, including web development, mobile app development, and AI. Their clientele consists exclusively of small businesses.
Clients
- Well Information Technologies
Industries
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Elasticis has developed the MVP of a web app that can analyze job information. They’ve created fields to standardize information collection and applied analytics functions to gain insights into those fields.
“Everything that they’ve delivered has either met or exceeded expectations.”
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23
- $5,000+
- 2 - 9 employees
- Denver, CO
Ready Fire Digital is a digital media studio based in Denver. The studio, founded in 2003, has a team of less than ten that provides video production, web development, web design, social media marketing, and SEO services. Ready Fire Digital serves small and mid-market companies in the e-commerce, advertising & marketing, hospitality & leisure, and health care & medical industries.
Clients
- UBS Wealth Management
- Egg Strategy
- Powerizer Complete
- Canopy Advisory Group
Industries
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Ready Fire Digital was hired to perform Shopify revamp and SEO services for a consumer goods firm. The client added video production services as part of their work to help boost their online presence.
"I really like working with Ready Fire because they’ve been taking the time to know my product."
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24
- $5,000+
- 2 - 9 employees
- Thornton, CO
Based in Thornton, Colorado, Beakon is a branding company. They focus on branding, digital strategy, web design, and web development and were founded in 2019.
Industries
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Beakon custom-developed a website for a boutique brokerage firm. They built a unique site for the client and guided them how to maintain it.
"The personal attention I got around the clock when I needed them and the follow-ups given were outstanding."
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25
- $5,000+
- 10 - 49 employees
- Centennial, CO
Custom software development firm Argis Solutions, Inc. Was founded in 2016. The small team provides custom software development, web development, mobile app development, web design, and more. The agency is in Centennial, Colorado.
Industries
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Argis Solutions, Inc. developed a mobile app for a wearable voice monitor company. The team provided wireframes and integrated the firm's UI design into their screens. They also supported firmware upgrades.
"Their software developers have skills that translate into different platforms and projects."
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26
- $250,000+
- 50 - 249 employees
- Lakewood, CO
Briebug is a software development company and website development company located in Lakewood, Colorado. The midsize firm was founded in 2009. Their services include custom software development and web development.
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27
- $5,000+
- 2 - 9 employees
- Littleton, CO
Jollity is a website development company founded in 2011. The small team focuses on web development, web design, and search engine optimization. The company is headquartered in Littleton, Colorado.
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28
- Undisclosed
- 2 - 9 employees
- Denver, CO
Headquartered in Denver, Colorado and Denver, Colorado, Revive Design Studios is an e-commerce development company. The small team offers e-commerce development, web development, and web design and was founded in 2011.
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29
- $10,000+
- 10 - 49 employees
- Denver, CO
Barbershop is a custom software development firm. The Denver, Colorado-based firm was established in 2015. The small team provides custom software development, mobile app development, ux/ui design, web development, and more.Visit SiteIndustries
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30
- $1,000+
- 10 - 49 employees
- Denver, CO
Tagful, a web development company, was launched in 2011. Their small team is located in Denver, Colorado. The company offers web development, custom software development, and search engine optimization.Visit SiteIndustries
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