Web Application Development Company


We are a leading web application development company with years of global experience. With our extensive expertise in web application development services, we have earned a strong reputation in the industry. Our team of skilled web app designers and developers uses a wide variety of protocols, programming languages, and frameworks to build high-quality web applications. Our focus is on delivering progressive web apps that meet and exceed client expectations.
Trusted by the Top Brands





Our Web Application Development Services
We create dynamic, digital experiences through our web applications.


Ecommerce Web Application Development
Etelligens is a trusted provider of eCommerce web application development services. We specialize in building dynamic, high-performance web applications with a focus on database and performance optimization. Having built over 100 eCommerce web apps, our agile methodologies and broad use of frameworks ensure we deliver the best results for our clients.

Responsive Web Application Development
Our team of experienced developers excels in building responsive web applications that provide an excellent user experience across all devices. We focus on creating customizable, responsive apps that maximize user satisfaction and engagement.

Custom Web Application Development
Etelligens offers advanced, custom web application development solutions. We are known for delivering reliable, visually appealing, and high-performance web solutions tailored to meet the specific needs of your business.

App Maintenance and Enhancement
Our technical team ensures the ongoing performance of your web application. We monitor, maintain, and resolve issues to enhance functionality and performance, ensuring your app works optimally at all times.

QA and Software Testing
Hire our expert web app developers for comprehensive software testing and quality assurance. We ensure your web application performs flawlessly and meets all quality standards before launch.

Upgradation & Migration
We offer seamless upgradation and migration services, allowing you to easily move your web application from one platform to another. Our team ensures smooth transitions, providing end-to-end solutions for the best user experience.

Content Management Solutions
Content is crucial to any web solution. We provide content management solutions using both ASP.NET and PHP, enabling you to manage your site content effortlessly and maintain complete control over your web application's design.
Why Etelligens for Web Application Development?
We create business-driven, user-focused web applications that solve your biggest challenges.


Bug-Free Software Development
We guarantee a seamless, bug-free development experience.

Timely Delivery
Your web application will be delivered on time, ready for your marketing campaigns.

Tailored to Your Audience
We design apps with your target audience and business goals in mind, creating feature-rich apps that help you stand out.

Expert Web App Developers
Our experienced team uses the latest technologies to develop innovative and responsive web applications compatible with Android and iOS.

Cross-Platform Compatibility
We help you reach your audience across multiple platforms cost-effectively.

24/7 Support
Our team provides round-the-clock support through audio, video calls, and instant messaging.

Leading Web Application Agency
As a web app development agency, we deliver top-tier performance and the latest technologies to ensure your app's success.

High-Level Security
We ensure your customer data remains secure, protecting it from theft and duplication.

Business-Focused Web Solutions
Our primary goal is to help you reach your target audience with user-friendly, high-performance web applications.
Frequently Asked Questions

1. What is custom web app development and why is it beneficial?
Custom web app development builds tailored applications that meet specific business needs. Unlike off-the-shelf software, custom apps align precisely with workflows, scale easily, and integrate with existing systems. They offer superior security and competitive advantages. Though the upfront cost is higher, the long-term ROI is significant. At Etelligens, we've seen clients achieve better operational efficiency and user satisfaction. Forrester reports a 30% boost in efficiency for organizations using custom solutions.
2. What qualities should I look for in a web app development company?
Look for technical expertise, industry experience, a strong portfolio, agile methodology, security focus, and transparent communication. Companies like Etelligens act as strategic partners, offering long-term value and robust solutions. The Business Software Alliance notes that firms with strong security practices report 60% fewer incidents. Choose a team that collaborates closely and adapts to your needs.
3. What are the essential skills for a web app developer?
Web app developers need frontend (HTML, CSS, JavaScript, React), backend (Node.js, PHP, Python), database (SQL, NoSQL), API development, Git, and testing expertise. Soft skills like problem-solving, communication, and adaptability are equally important. At Etelligens, we emphasize continuous learning to stay ahead. Full-stack developers are highly sought after, according to Stack Overflow's Developer Survey.
4. What are the benefits of hiring a web app development agency versus freelancers?
Agencies offer broader expertise, structured processes, post-launch support, scalability, and accountability. Freelancers suit smaller projects with limited scope. Agencies like Etelligens combine depth and responsiveness for enterprise-grade outcomes. The PMI reports agency-led projects are 24% more likely to stay on budget and meet deadlines due to process maturity.
5. What are the key steps involved in a custom web app development project?
Key stages include discovery, planning, UI/UX design, development, testing, deployment, and ongoing support. This structured approach ensures clear goals, smooth execution, and long-term success. At Etelligens, involving clients at every step helps deliver apps aligned with business needs. The CHAOS Report shows projects with consistent planning and involvement are 3x more likely to succeed.
6. How can I evaluate the experience and portfolio of a web app development company?
Review technical depth, case studies, client references, team credentials, and development methodology. Look for measurable results and cross-industry expertise. Etelligens recommends focusing beyond visuals. Analyze scalability, performance, and stakeholder satisfaction. McKinsey report says firms that rigorously vet partners have 35% fewer delays and higher deliverable satisfaction.
7. What services are typically offered by a web app development agency?
Agencies offer end-to-end services: custom development, UX/UI design, QA testing, DevOps, cloud hosting, post-launch support, and tech consulting. Strategic services include digital transformation, scalability planning, and compliance. Etelligens integrates all services under a unified vision, helping clients go to market 30% faster (Gartner).
8. How do you determine the cost of a custom web app development project?
Cost depends on scope, tech stack, design complexity, security, and team location. Estimates break down by planning (10–15%), design (15–20%), development (40–50%), testing (15–20%), and deployment (5–10%). Etelligens uses detailed discovery and milestone pricing for transparency. Harvard Business Review shows discovery-driven projects see 37% fewer overruns.
9. What are the advantages of hiring a professional web app development company?
Benefits include technical depth, risk mitigation, clean code, scalable architecture, and ongoing support. They offer business optimization, reduce tech debt, and ensure future-ready solutions. Deloitte found that companies working with professionals are 62% more likely to complete digital transformation initiatives on time and on budget.
10. What are the different types of web app developers (e.g., front-end, back-end, full-stack)?
Frontend developers focus on UI using HTML, CSS, and JavaScript. Backend developers handle server logic and databases (Node.js, PHP). Full-stack developers manage both. DevOps engineers oversee infrastructure and QA ensures functionality. Etelligens builds cross-functional teams with specialists to ensure quality and speed. IEEE Software reports that specialist-balanced teams deliver 40% higher quality outcomes.