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Custom Web App Development Chicago

Powerful, secure, and user-friendly custom web applications that are designed to grow your business.


A Premier Custom Web App Development Chicago Company

Chicago, Illinois is home to over almost 3 million people, making it the 3rd largest city in the U.S. The City features businesses of all sizes. From mom-and-pop shops to some of the largest companies in the world. The Plego custom web app development Chicago team has proudly provided world-class development services to the City’s businesses for over 20 years.

As a premier custom web app development company in Chicago, we offer one of the most impressive project portfolios in the Chicago area and the expertise and resources to excel at any web app development project.

Immersive User Experiences on Any Device

The world in which we live is increasingly dependent on mobile devices. Our custom web app development Chicago team fully embraces this reality. We are obsessed with providing superior user experiences. To this end, we are dedicated to creating functional and visually compelling apps that perform consistently across all devices.

Our team also specializes in redesigning and modernizing outdated systems and processes into modern cross-platform apps.


Connect with one of our Milwaukee web experts.

Or call us at 630.541.7929

Or call us at 630.541.7929

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Chicago Custom Web App Development Services at Scale

Our team designs, builds, and deploys web applications with an emphasis on app availability, scalability, and transaction throughput.

Microservices Architectures

Our custom web app development Chicago team employs a granular software development approach to ensure architecture integrity and performance.

Data Processing

We handle all aspects of data processing. Our data processing services include everything from designing data workflows to developing user-friendly interfaces to give stakeholders access to data in real-time.

Complex Systems

Our team has many years of experience working on large complex systems for some of the world’s biggest companies.

Cloud-Native Apps

We leverage container-based development to build powerful and efficient cloud-native web apps from the ground up. Our custom web app development Chicago team can also help you to migrate your legacy systems to a cloud environment.




Plego’s Custom Web App Development Process

Plego is dedicated to providing best-in-class customer service throughout the entire customer relationship. From the initial discovery call to the deployment of your custom web app, our proven development process is designed to provide you with a seamless experience.


Our custom web app development Chicago team will get to know your business. We develop a comprehensive project roadmap.


Our team will actively involve you in the design process. We will show you multiple iterations for you to choose from.


Our talented web app developers will build a functional version of the web app.


Once the web app has achieved full functionality and you are 100% satisfied with the result, we will test and fully deploy the app.


We will monitor the performance of your web application and make improvements to ensure that your solution continues to perform at an optimal level. Our team provides best-in-class customer support and is always available to assist.





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Looking for Custom Web App Development Chicago?

Our custom web app development Chicago team is excited to discuss your project with you. Contact us today to get the conversation started.