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 progressive web app development company in the US, we have completed over 1,000 web app development projects. Our progressive web app 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 We also assist businesses in the modernization or total redesign of outdated web interfaces to fulfill changing user needs.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.

Web App Migration Services

We move web apps to new platforms or architectures with little downtime and data loss. We employ the newest tools and technology to simplify the migration and optimize the web app for the new environment.

Web App Integration Services

With custom APIs, we provide seamless integration of your web app with CMS and software infrastructure. Our integration experts employ a CI/CD pipeline to ensure the easy deployment of new functional modules without interfering with the operation of your app.

Custom Web App Development Services for Enterprises

We provide custom web app development services to businesses that require tailored solutions to their specific requirements like project management systems, CRM, PLM, PIM, Finance management systems, collaboration software, intranets, document management systems, and so on. Our team uses cutting-edge technologies and frameworks like Ruby on Rails, Angular, React, and Node.js.

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, and identify the features and functionalities that your web app will require. In addition, we'll establish a roadmap and project plan with dates, goals, and budget.


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 consistent with your brand and satisfies the needs of your target audience. Wireframes, mockups, and prototypes will be created to ensure that the design is functional and intuitive.



Our 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. We ensure that it is scalable, safe, and optimized for performance. We will employ the Agile development process to provide working software in iterations, giving you the opportunity to examine and provide input along the way.


Testing, Deployment, and Quality Assurance

Our quality assurance team uses a system approved by ISO 9001 certificate and relies on the IMAAT approach to thoroughly test your web app to guarantee that it is bug-free, functional, and satisfies all criteria. We'll also move your app to a staging environment for final testing and approval before releasing it to the public. Our staff will also provide regular maintenance and support to guarantee that your app is secure and up to date.


Maintenance, Optimization, and Updates

We will monitor the performance and usage of your web app to discover areas for improvement and optimization. We'll also provide frequent upgrades and maintenance to ensure your app's compatibility with new technologies and devices, as well as to address any issues that may emerge.

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

Absolutely, we offer 24×7 support and maintenance services post-launch. Our team is committed to ensuring your web app runs smoothly and stays updated with the latest features and security patches. We provide both long-term and pay-as-you-go maintenance contracts.

Security is a top priority for us. We adhere to industry-leading security protocols and best practices to ensure that your data is safe and secure. This includes robust authentication, data encryption, secure APIs, and compliance with GDPR and other regulatory standards.

The time frame for web app development varies depending on the complexity and features of the project. However, a typical project takes anywhere from 12 to 24 weeks from ideation to launch. We use Agile methodologies to ensure you can review and provide input throughout the development process.

Yes, we do offer multi-language support to ensure your web app can serve a global audience. Our developers are experienced in creating web apps that can be easily localized and translated into various languages.

Answer: Security is a top priority for us. We adhere to industry-leading security protocols and best practices to ensure that your data is safe and secure. This includes robust authentication, data encryption, secure APIs, and compliance with GDPR and other regulatory standards.