Custom HTML & CSS Development Company
Get stunning and user-friendly web portals delivered right to your doorstep, powered by HTML and CSS, the essential design building blocks. Enlist our HTML developers to create captivating websites for your business.
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Our HTML5 / CSS Development Services
Use cutting-edge HTML5 development services to create secure, robust solutions that operate seamlessly across various devices and platforms
HTML5 Mobile App Development
Create cutting-edge, cost-effective HTML5 mobile applications for iOS, Android, and Windows, simplifying your business operations effortlessly.
HTML5 Widget & Plugin Development
Our proficient HTML5 development team stays adaptive to the latest trends, creating scalable and secure widgets and plugins seamlessly integrated across advanced frameworks.
Custom HTML/CSS Development
Partner with our seasoned developers to meet unique client requirements, ensuring adherence to industry standards and swift website performance.
Custom CSS Styling
You custom CSS solutions to match your brand identity and enhance the visual appeal of your website or application.
CSS Framework Integration
You are integrating popular CSS frameworks like Bootstrap or Foundation to streamline development and ensure consistency across your project.
HTML5 Website Development
Deliver comprehensive HTML5 websites accessible across all platforms/devices, emphasizing SEO-friendly architecture for enhanced visibility.
HTML5 Web App Development
Engage skilled HTML5 developers to build high-quality web applications with advanced features, functionality, compatibility, and intuitive UI/UX elements.
Data Migration & Maintenance
Hire HTML experts to transform your app into a versatile web application, migrating from Flash and enhancing business operation efficiency.
HTML & CSS Integration
Integrate multiple web applications, business systems, and web services seamlessly with our services, ensuring a secure and unified system.
Driving Innovation,
Delivering Impact
Delivering Impact
We’ve delivered 250+ projects for 110+ global clients, powered by 50+ technology experts. With experience across 20+ industries, we build scalable and future-ready digital solutions.
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Projects Delivered
250 +
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Clients Globally
110 +
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Technology Experts
50 +
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Industries Served
20 +
Our HTML5/CSS Development Expertise
From responsive layouts to interactive animations our HTML5/CSS Development Expertise
Responsive CSS Design
Putting responsive design ideas into practice to ensure your website adjusts to various screen sizes and devices without breaking a sweat.
HTML5 Consultation
Rely on our HTML experts to assess your business needs and recommend feasible solutions with top-notch security and responsive design.
PSD to HTML5 Conversions
Streamline your workflow with our efficient team, transforming PSD files into captivating web designs and themes with HTML5.
CSS Animation and Transition
Adding interactive elements and smooth transitions to your website through CSS animations enhances user engagement and experience.
Transforming Ideas into Reality: HTML5/CSS Solutions
With innovative HTML5 and CSS development expertise, we Create solutions that meet your objectives and exceed your expectations, ensuring your brand stands out.
Case Studies That Inspire and Impress
Showcasing our Success Stories
Committed Delivery Leads To Client Satisfaction
Client Testimonials that keep our expert's spirits highly motivated to deliver extraordinary solutions.
My experience working with The Intellify, has been a great experience. The team has a wealth of expertise in the tech space. Working with the intellify was a growing experience for me, I learned a lot. The team keeps great communication & responds fast to new ideas & suggestions. The team also provides great suggestions & solutions as well. I couldn’t imagine working with anybody else on this project & it has been a blessing working with, The Intellify.
Christopher Seny
CEO
The Intellify delivered a platform from scratch, involving the client at every stage. The team was communicative, responsive, and punctual throughout the engagement. Virtual meetings and emails ensured seamless project management. Customers can expect a team that can work fast.
Izandi Serdyn
CEO
The app serves as an effective introduction for users to the product and its characters. Responsive and faithful to initial requirements, The Intellify’s team exceeded initial expectations. Internal stakeholders were particularly pleased with their communication.
Kya Johnson
CEO
Working with The Intellify to develop our website was an outstanding experience. Their team displayed exceptional professionalism, creativity, and technical expertise throughout the entire process. The final product exceeded our expectations, delivering a sleek, user-friendly, and highly functional website. We highly recommend The Intellify to anyone in need of top-tier web development services.
Stefan Wyk
Founder
The Intellify’s work has been met with high praise from internal and external stakeholders. The team is efficient, diligent, and reliable in their service. They go above and beyond in terms of communication and project management. The Intellify is a responsive vendor that gets the job done.
Steve Thorpe
CEO
I’ve been working with The Intellify for the last 3 years. During this period of time we’ve planned and executed projects in both small and large scale. Working with The Intellify was and still is the best decision I’ve made when rising up Divo, I strongly recommend to work with them in any type of project.
Tal Dotan
CEO
Why Choose Us For HTML5/CSS Development Services?
The Intellify stands out as a premier HTML5/CSS development service company specializing in responsive HTML5/CSS development services. Leveraging cutting-edge technologies, rigorous testing, and user-friendly HTML website development services, we ensure that you exceed your enterprise objectives.
Skilled HTML5 Developers
Our adept team specializes in HTML5 frameworks like SproutCore, Ember.js, AngularJS & PhoneGap, Bootstrap, Skeleton, Foundation, Boilerplate, and more.
Competitive Rates & Project Estimates
We provide cost-effective quotes driven by quality. Request a quote for HTML5 development today.
Guaranteed Customer Satisfaction
Enjoy 24/7 customer support from our project managers, business analysts, and technology experts via email, phone, Skype, chat, and more.
Agile & Reliable Delivery
Our agile methodology ensures rapid and transparent delivery throughout the project, allowing for continuous progress.
Tech Stack
HTML 5
CSS3
Laravel
Python
Node JS
Angular
React Native
Vue Js
Java
JavaScript
Our Development Process
Our streamlined development process is designed for efficiency
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Explore, Plan, and Structure
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Designing and Prototyping
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03
Development Process
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Ensuring Quality and Testing
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Expansion and Evaluation
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Deployment and Optimization
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Unlocking Project Potential: Transparent Pricing for HTML5/CSS Development
The pathway to unleashing your project's full potential with our transparent pricing model for HTML5/CSS development.
Schedule a Free Strategy Call 
Industries we Work with
Get industry-specific mobile and web development services built around real business needs. Launch faster, work smarter, and grow stronger.
Manufacturing - Al-Driven Quality Inspection
- Predictive Maintenance
- Digital Twins & Realtime Production Monitoring
- Automation & Robotics Integration
- VR Training & Simulation
Insurance - AI Claims Agent
- Fraud Detection - Scoring
- Policy Compliance RAG
- Agent - Broker Copilot
- Claims Document Intelligence
Fintech - KYC/AML Document AI
- Wealth - Trading Copilots
- Risk - Credit Scoring
- Payment Resolver
- Support Chatbot
Healthcare - Triage Care-Nav Chat AI
- EHR Document AI - RAG
- Pharmacy Back-Office AI
- VR Skills Lab Assessment
- Telemedicine Assistant
Sports - Metaverse Fan Engagement AI
- Fan Chat - Highlights
- AR Game-Day Activations
- Sports Analytics - Video AI
- Fantasy Sports Platform
Real Estate - MR Property Visualization
- Virtual Tour - Staging
- Property Management Copilot
- Listing Content AI - CRM
- Digital Twin for Buildings
Banking - KYC/AML Document AI
- Loan Underwriting Models
- Transaction Fraud
- Banking Copilot
- Regulatory Reporting AI
Events & Exhibitions - WebAR Product Demos
- VR Brand Experience
- AR Wayfinding - Booth Navigation
- AI Lead Capture - Summaries
- Sponsor Engagement Analytics
Latest News and Insights
Stay Informed: Breaking Updates and Expert Analysis
AI & ML
AI Shopping Assistant for Smarter E-Commerce: Development Guide
The Rise of AI in Online Shopping Welcome to the era when shopping is no longer…
General
How to Build a 3D Product Configurator for E-commerce in 2025
Why 3D Product Configurators Are the Future of E-commerce? Imagine this: A customer goes to your…
How To Guide
How to Build a Web Application from Scratch with No Experience
Summary Creating a web application from scratch, especially as a beginner, sounds very difficult. But with…
Frequently Ask Questions
Most Frequently asked questions
The Intellify has honed its expertise in HTML5 development services over several years of working within the HTML5 framework. We provide top-notch solutions to address all your website development needs. Our dedicated team of experts also ensures that your website receives only the best HTML development services.
HTML5 app development surpasses other versions, offering enhanced audio and video control support. It allows offline data storage using SQL databases and app cache and is supported by modern browsers like Mozilla, Safari, and Firefox, making it easier to use and manage.
HTML5 development streamlines web application creation by requiring less code. Its drag-and-drop support saves development time and ensures compatibility with mobile and web browsers, enhancing user experience without needing plugins.
HTML, or hypertext markup language, is one of the key technologies for creating websites, providing the page’s structure. CSS, or cascading style sheets, handles the visual and auditory layout, ensuring compatibility across various devices.
Complete website coding is the responsibility of HTML/CSS developers. They transform .psd files and mockups into functional websites and apps, manage HTML projects, create online applications, assist website users, and generate CSS code.
The timeline for website development depends on various factors and project requirements. At The Intellify, we strive to integrate the website within the allotted timeframe and ensure it is ready for launch on time.
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Case Study
Case Study