Our expert analysts ranked the leading eCommerce development companies in Illinois that create highly functional online stores that attract and convert visitors. Filter them by price, reviews, portfolios, team size, expertise and more to find a partner that can meet your business needs and requirements.

Best Illinois eCommerce Development Agency Rankings

202 Companies - Rankings updated: May 22, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × Illinois ×
  • Premier Tech Solutions

    EnlightVision is the partner of choice for many of the worlds leading enterprises, SMEs, and technology innovators. We elevate businesses through custom software development, product design, QA, and consultancy services. Our commitment is to deliver cutting-edge solutions tailored to your unique needs.  [... view EnlightVision Technologies Pvt. Ltd profile ]

    Top Services:

    • eCommerce Development
    • IT Services
    • Mobile App Development
    Location
    St. Charles, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Innovate, Inform & Inspire

    Innovate, Inform & Inspire

    Descom Softwares is a Bhubaneswar-based IT company offering web design, mobile apps, digital marketing, and custom software solutions with on-time delivery. Comprehensive services to boost your online presence and drive business growth.  [... view Descom Softwares Pvt. Ltd. profile ]

    Top Services:

    • eCommerce Development
    • Web Design
    • Mobile App Development
    Location
    Bartlett, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000

About The Author and Expert Reviewer

Robert de Wit has a diverse background in advertising, marketing, IT, and healthcare. With a history as both a copywriter and a video game journalist, he specializes in SEO, long-form content creation, and crafting compelling copy that drives results. Currently, he writes about website and interface design at DesignRush, delivering the latest industry insights and analysis.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.