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5.0 out of 5, based on 8 real reviews.
10 Companies | Ranking updated: Sep 30, 2025

Top Performing HTML5 Web Development Companies in Colorado

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Most Preferred

Lounge Lizard

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5.0 (22 Reviews)

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  • Inside Service Listing Colorado, USA
  • Inside Service Listing 50 - 100
  • Inside Service Listing $150-$199/hr
  • Inside Service Listing $25,000 - $100,000

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big orange planet

big orange planet

We love what we do and it shows

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Big Orange Planet is a Denver, Colorado based web development and branding company

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50% Web Development
100% HTML5 Web Development
Inside Service Listing

N/A

Inside Service Listing

$3,000+

Inside Service Listing

6+

Inside Service Listing

Colorado, USA

Magneti

Magneti

Attractive, results-driven marketing

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"No matter what people tell you, words and ideas may alter the world," famous actor and comedian Robin Williams famously stated. On the basis of the basic idea, Magneti was created. Every day we get up with the knowledge that what we do matters. Great ideas are what Magneti thrives on creating and exchanging. We are a diversely talented group who firmly believe in our capacity to have long-lasting influence. We make investments in talent, and our clients benefit from the great results of that talent. We come to work every day and put in a lot of effort to go above and beyond expectations, not merely daydream about fantastic ideas.

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20% Web Development
100% HTML5 Web Development
Inside Service Listing

$50-$99/hr

Inside Service Listing

$1,000+

Inside Service Listing

10 - 49

Inside Service Listing

Colorado, USA

Ephibian

Ephibian

Your Technology Innovators

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Databases, online, information security, and software development are our areas of expertise. Developing solutions that help our clients succeed is our passion. Your goal is to deliver value. We are the ones adding value. The ideas that propel a company ahead are the result of imagination. Human labor and discussions transform those concepts into solutions. We help people who need to make things happen perform better and be more productive.

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50% Web Development
50% HTML5 Web Development
Inside Service Listing

$100-$149/hr

Inside Service Listing

$1,000+

Inside Service Listing

10 - 49

Inside Service Listing

Colorado, USA

Reach Marketing Pro

Reach Marketing Pro

Lets Craft Your Digital Success Story.

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We are aware of the demand for professional, reasonably priced traditional media and digital marketing services. Every company has different marketing requirements, and we are able to provide them. We charge you less since we have extremely little overhead. You have the individualized attention and reduced fees of a boutique agency along with the negotiating strength and expertise of a large agency. Our goal is to consistently deliver superior service at a lower cost. Nothing would please us more than to show you.

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20% Web Development
50% HTML5 Web Development
Inside Service Listing

N/A

Inside Service Listing

$1,000+

Inside Service Listing

10 - 49

Inside Service Listing

Colorado, USA

WebSensePro

WebSensePro

Creative Websites That Drive Growth Globally

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WebSensePro is a trusted web development and digital marketing company based in Karachi, Pakistan, delivering high-quality IT services to clients worldwide. We specialize in custom website development, WordPress solutions, SEO, content writing, and logo design, helping businesses build strong digital identities. With a team of skilled designers and developers, we provide scalable, mobile-friendly websites tailored to boost marketing automation, lead generation, and brand visibility. Serving businesses across the USA, UK, Australia, Europe, and Asia, our focus is on crafting affordable, results-driven solutions that align with your goals. At WebSensePro, we transform ideas into powerful digital experiences.

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20% Web Development
50% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$5,000+

Inside Service Listing

10 - 49

Inside Service Listing

Colorado, USA

Intellectyx Inc

Intellectyx Inc

We help Businesses grow using Data, AI and Digital Solutions.

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Welcome to Intellectyx, your premier destination for cutting-edge Generative AI solutions. We specialize in leveraging the latest advancements in Artificial Intelligence to drive innovation, efficiency, and growth for businesses across diverse industries. With a dedicated team of AI experts, data scientists, and developers, we are committed to delivering bespoke Generative AI services tailored to meet your unique business needs. Our Generative AI solutions are designed to revolutionize the way you operate, from automating complex tasks to optimizing decision-making processes. Whether you're looking to streamline operations, enhance customer experiences, or unlock new revenue streams, Intellectyx has the expertise and technology to make it happen. At Intellectyx, we understand the importance of staying ahead in today's competitive landscape. That's why we continuously innovate and invest in cutting-edge AI technologies to ensure that our clients benefit from the latest advancements. Our proven track record of successful AI implementations and satisfied clients is a testament to our commitment to excellence and customer satisfaction. Partner with Intellectyx today and discover the limitless possibilities of Generative AI for your business. Together, we'll unlock new levels of efficiency, productivity, and success through AI-driven innovation. Let's shape the future of your business with Intellectyx's advanced Generative AI solutions.

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20% Web Development
20% HTML5 Web Development
Inside Service Listing

< $25/hr

Inside Service Listing

$500 - $1,000

Inside Service Listing

100 - 500

Inside Service Listing

Colorado, USA

Infigo Solutions

Infigo Solutions

Dedicated Teams, Smarter Solutions.

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Infigo Solutions helps businesses overcome technology challenges with innovative, tailored solutions. We are a growing software company focused on exceptional service and long-term partnerships. Our skilled developers and IT professionals deliver efficient results aligned with client goals. In the US, we offer managed IT resources, providing top developers quickly and seamlessly. Beyond technology, we empower businesses to achieve lasting success.

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30% Web Development
10% HTML5 Web Development
Inside Service Listing

< $25/hr

Inside Service Listing

$3,000 - $7,000

Inside Service Listing

10 - 50

Inside Service Listing

Colorado, USA

JPLoft Solutions

JPLoft Solutions

Web & App Development Company

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5.0 (5 Reviews)

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5.0(5)

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JPLoft is a leading mobile & web app development company based in Denver, Colorado USA boasting over a decade of industry experience in transforming the dream ideas of global brands such as Nike, Red Bull & Whirlpool as well as passionate founders into amazing digital products and businesses. Why Choose JPLoft: 10+ Years of Industry Experience 1000+ Happy Clients 100+ Team Strength 97% Repeat Business End-to-End Development: Concept > Design > UX > Build > Monetization > Go-to-Market Flexible Engagement Models Strict Non-Disclosure Agreement Clear, Concise, Consistent Communication Free Consultation Whether you have a new idea or an existing app to reimagine, we are here to support you. Our unique, effective, and result-oriented approach ensures the delivery of a high-quality, successful product. Since our inception in 2013, we have delivered 1100+ projects, including mobile and web apps across native and cross platforms, creating exceptional value for our clients. We have global reach with operational sales offices in the UK, India, Australia & New Zealand.  We have a team of 100+ dedicated & skilled professionals including designers, developers, testers, business analysts, marketers, & product managers. They are committed to going above and beyond expectations, resulting in the creation of market-ready digital solutions at cost-effective prices. Hiring us is entrusting all of your worries to capable hands. Relax as we provide you with timely updates, seek your feedback, and transform your idea into an exclusive digital product. Our Key Development Services: Mobile App (Android App, iPhone App) Flutter React Native AI Blockchain SaaS Custom Software Web Development E-commerce CRM & Salesforce IoT Fintech / Financial Services Healthcare Education Game Development (AR, VR, iOS, Android, NFT, 2D, 3D, etc)

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10% Web Development
10% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$10,000+

Inside Service Listing

50 - 249

Inside Service Listing

Colorado, USA

SmartApp

SmartApp

a better experience

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5.0 (3 Reviews)

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5.0(3)

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SmartApp is a leading full-service software development company that has been providing end-to-end software solutions since 2010. We offer a range of services, including consulting, design, implementation, and after-launch support. Our clients range from startups to Fortune 100 companies, including Amazon, Deutsche Telekom, Nestle, Whole Foods, Bayer, and CarFax. We place our clients and their needs at the core of all our processes and deliver solutions that move their business to an entirely new level. Our core expertise: Web & Software development (custom and platform-based: WordPress, Drupal, Laravel, React, Webflow) eLearning development (Moodle, LearnDash, Opigno) eCommerce development (Shopify, WooCommerce, Magento)  UI/UX design QA & testing Support & maintenance Digital Marketing Don't miss out on the opportunity to discover how our services can benefit you!  Contact us today for a free consultation.

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20% Web Development
5% HTML5 Web Development
Inside Service Listing

N/A

Inside Service Listing

$5,000+

Inside Service Listing

45 - 55

Inside Service Listing

Colorado, USA

Brilliant Systems

Brilliant Systems

Where Imagination Meets Innovation

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0.0 (0 Reviews)

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At Brilliant Systems, we live by one simple creed: "No vision too big, no tech too complex". We’re a full-service digital solutions powerhouse specializing in cutting-edge web design, AI-driven development, and future-proof technology implementation. Whether you’re a startup dreaming big or an enterprise ready to disrupt your industry, we transform visions into scalable, high-performance digital realities. What We Do Bespoke Web & App Development: From sleek SaaS platforms to immersive e-commerce experiences. AI & Automation: Custom ChatGPT integrations, predictive analytics, and process optimization. UX/UI That Converts: Data-driven designs focused on user engagement and ROI. Blockchain & Web3: Smart contracts, dApps, and secure decentralized architectures. Why Choose Us? 500+ Projects Delivered: Proven expertise across 12 industries, from healthcare to fintech. Tech-Agnostic Approach: We use the right tools for your goals—React, Flutter, Python, CRMs, or beyond. White-Glove Service: Dedicated teams that align with your workflow, not vice versa. Ethical by Design: AI audits, accessibility compliance, and sustainable coding practices. Our Difference We don’t just write code—we engineer competitive advantages. Our R&D lab stays ahead of trends (think: generative AI, edge computing), while our agile process ensures your project launches faster, smarter, and under budget.

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10% Web Development
5% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$15,000 - $25,000

Inside Service Listing

50 - 200

Inside Service Listing

Colorado, USA

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