Drive Growth with Revolutionary Web App Development Services

At OnGraph, we offer comprehensive web app development services customized to meet your business requirements. We develop responsive and custom web applications with our deep expertise in top-notch technologies including PHP, JavaScript, HTML, WordPress, Joomla, Drupal, Magento, and OSCommerce.

Our proficient web app developers utilize PHP’s dynamism and integrate it with database languages like HTML, MySQL, CSS, JavaScript, and PHP Code. To build web apps that function across multiple platforms and devices, we leverage frameworks such as Laravel, CakePHP, ZEND, Codeigniter, and Yii.

Being a reputed and reliable web application development company in the US, we have completed over 1,000 web app development projects. Our web application development services cover development and design, testing, support and maintenance, technological advice, legacy architecture modernization, and web architecture migration.

Our main focus is developing fully functional, resilient, and scalable web apps that maximize resource utilization while remaining cost-effective. We also assist businesses in the modernization or total redesign of outdated web interfaces to fulfill changing user needs.

  • Modularizing existing architectures
  • Migrating to microservices
  • Enhancing UI/UX experience
  • Service-Oriented-Architectures (SOA)
  • Follow CI/CD approaches
  • ISO 9001-certified testing with the IMAAT approach
  • 24x7 Support and maintenance
  • Cloud Integration

Top Mobile App Development Company, Accredited By

Our commitment to quality and focus on our customers’ needs has made us a go-to resource for companies interested in responsive web app development and related technologies.

Top Mobile and Web Development Company in 2018 with 4.7/5 ratings

4/5 star for the work environment and learning opportunities pr

We made 5/5 star for quality, reliability, ability and overall

We earned 3.9 stars, 94% recommended and 92% Approve of CEO

Our Range of Custom Web Application Development Services

By partnering with OnGraph, you can rapidly expand your customer base, discover new prospects, and achieve lucrative milestones.

SaaS Web App Development Services

Our knowledge of languages such as Python, Ruby on Rails, and JavaScript enables us to provide safe, scalable, and adaptable SaaS solutions that assist businesses in growing. We also specialize in other online services such as PaaS, IaaS, XaaS, and MVP development.

E-commerce Web App Development Services

Custom online stores and marketplaces built utilizing technologies like Shopify, Magento, WooCommerce, and OpenCart as part of our e-commerce web application development services. We provide secure and scalable e-commerce platforms that provide customers with a seamless purchasing experience.

Progressive Web App (PWA) Development Services

We specialize in creating Progressive Web Applications (PWA) that provide consumers with a native-like experience. To create PWAs that work offline, load quickly, and provide a compelling experience, our team employs technologies like Service Workers, Web App Manifest, and Responsive Design.

Front-end Development Services

Building responsive and interactive user interfaces with modern technologies like React, Angular, and Vue.js is the jist of our front-end web development services. We build user-centric designs that deliver a consistent user experience across devices and platforms.

Backend and Node.js Development

We build scalable, high-performing, and secure web applications, thanks to our deep expertise in Node.js, PHP, and other backend technologies. We design RESTful APIs and backend systems that integrate seamlessly with front-end frameworks like Express.js, Nest.js, and Laravel.

Web App Consultation Services

We provide expert advice to help organizations make informed decisions for web app development projects. We assess business needs, choose suitable solutions, and advise on architecture, scalability, security, and performance.

Legacy Software Modernization Services

We specialize in modernizing legacy software systems by leveraging cloud computing, microservices architecture, and containerization with scalability, robustness, and efficiency. Our legacy software modernization services decrease technical debt, enhance performance, and drive innovation.

Our Portfolio

We’ve collaborated with several businesses, startups, and individuals to develop robust, scalable, and feature-rich web apps.

Latest Web App Development Technologies We’re Skilled in

OnGraph provides an assortment of web app development services that use cutting-edge technology and innovative methodologies to build new and successful solutions for clients.

Natural Language Processing (NLP)

We use NLP to help organizations create conversational interfaces, chatbots, and voice assistants that can understand and respond to human language.


Our professionals create AI/ML models that can automate processes, analyze massive datasets, and improve web application decision-making.


We use blockchain to create secure and transparent web applications that allow parties to trust one another and eliminate the need for middlemen.

Cloud Computing

With our cloud-based web app development services, businesses can scale quickly, cut expenses, and improve flexibility and accessibility.

Internet of Things (IoT)

We combine IoT technology with web applications to develop smart and connected systems capable of collecting and analyzing data from a variety of devices and sensors.

Augmented Reality (AR)

Our AR-enabled web applications deliver immersive and engaging experiences, allowing businesses to exhibit their products, services, or information in a unique way.

Big Data

We leverage Big Data technology to assist businesses in analyzing vast and complicated datasets, gaining insights, and making data-driven choices within web applications.


By using industry-leading security measures and best practices, our team ensures that online applications are secure, compliant, and protected against cyber threats.

Technical Stack We Leverage With Our Expert Web App Development Services


Utilizing the latest technologies in frontend development, our expert team crafts visually appealing and user-friendly interfaces. We prioritize usability while delivering high-performing web applications that meet each client’s specific needs.

  • Progressive Web App development
  • Interface Modernization, Migration, & Upgradation
  • Single Page App Development
  • Custom Front-end Development


Leveraging powerful backend languages and frameworks, our team develops secure, robust, and scalable server-side applications. We focus on business logic and data management to provide end-to-end solutions.

  • API Development and Management
  • Admin Panel Backend Solution/Application Admin Backend
  • Cloud Migration
  • Data Storage Backend App
  • Custom Backend Development


Our team excels in designing and managing databases that are reliable, scalable, and optimized for performance. We focus on data integrity and security to deliver comprehensive database solutions.

  • Database software consulting
  • Data Preparation
  • Database Optimization
  • Database Upgradation & Migration
  • Custom Database Development

Start Agile Web App Development With Us In Just 5 Steps


Ideation and Planning

We will collaborate with you to establish the project scope, gather requirements


UI/UX Design

Working with you, our professional design team will produce a user-friendly and visually appealing design for your web app that is



Our team of expert developers will create your web app using the most recent web technologies and open-source tools for cost-effectiveness including PWA, microservices, and headless.


Testing, Deployment, and Quality Assurance

Our quality assurance team uses a system approved by ISO 9001 certificate and relies on the


Maintenance, Optimization, and Updates

We will monitor the performance and usage of your web app to discover areas for improvement and optimization.

Delivering Web App Development Services to Numerous Industries

  • Healthcare

    We offer web tools like patient portals and telemedicine apps to streamline healthcare administration and patient care.
  • FinTech

    Our web solutions enable secure online payments, trading platforms, and financial analytics for FinTech companies.
  • Entertainment and Media

    Our web apps help artists and organizations manage content distribution, ticket sales, and marketing.
  • Retail and E-commerce

    We develop web apps for inventory management, customer engagement, and various portals to enhance the online shopping experience.
  • HRMS

    Our web tools simplify personnel management, payroll, and benefits administration for organizations of all sizes.
  • Insurance

    Our web apps enhance customer experience through efficient policy administration and claims processing.
  • Education and E-Learning

    We build web apps to manage online courses, student enrollment, and learning management systems.
  • Travel

    Our travel-focused web apps streamline booking reservations, trip planning, and customer engagement.
  • Banking

    We offer secure online banking solutions, including digital and crypto wallets, for banking organizations.

Frequently Asked Question

Web app development services are the process of creating, designing, and implementing custom web applications that operate on web browsers and can be accessed from any internet-connected device.

The best software for web app development is determined by the project’s demands, but popular tools include Node.js, React, Angular, and Django.

The cost of developing a web app can range from a few thousand dollars to hundreds of thousands of dollars or more, depending on factors such as complexity, functionality, and development time. You can contact us to get a quote.

A web app is an entire application that runs in a web browser, whereas a web service is a web app component that performs a specific function or service.

There are numerous sorts of web app development, including e-commerce applications, social networking apps, CMS apps, and others.

An API is frequently required by web apps in order to interface with other systems or applications, exchange data, and perform various services such as authentication, payment processing, and more.