Chicago & Chicagoland Metro

Web Design, Mobile Apps, SaaS & SEO/AEO in Chicago, IL

Fixed-price custom business websites from $2,000, iOS & Android mobile app development, SaaS MVP engineering, Vibe coding support, and SEO/AEO/GEO/AIO visibility for Chicago and Illinois businesses. 100% US-based SBA-certified SDVOSB.

Overview

Chicago founders, professional firms, and mid-market operators hire Mango Consulting LLC (AppDesign360) for senior US-based engineering at fixed, published prices: custom-coded Next.js websites from $2,000 (delivered in 1โ€“2 weeks with authenticated business email), iOS and Android apps from $12,000, multi-tenant SaaS MVPs from $25,000, and full-funnel SEO, AEO, GEO, and AIO visibility across the Loop, Fulton Market, River North, and Chicagoland.

Industries We Serve in Chicago

We work with businesses across Chicago's key industries, delivering AI consulting, custom software, and digital marketing solutions tailored to your sector's unique challenges and opportunities.

  • B2B SaaS, logistics tech, and startups (Fulton Market, West Loop, 1871 / Merchandise Mart)
  • Financial services, trading, and fintech (The Loop, LaSalle Street)
  • Healthcare, medical practices, and health tech (Streeterville, Gold Coast, Oak Brook)
  • Legal, accounting, and management consulting firms (The Loop, River North)
  • Manufacturing, supply chain, and distribution (O'Hare corridor, Schaumburg, Naperville)
  • Hospitality, multi-location retail, and home services (Lincoln Park, Wicker Park, Evanston)

Why Choose Mango Consulting for Chicago?

  • Serving Chicago (The Loop, Fulton Market, River North, West Loop) and the entire Chicagoland suburbs
  • 100% US-based senior engineers aligned with Central Time business hours โ€” zero offshore handoffs
  • Custom-coded business websites from $2,000 in 1โ€“2 weeks with Google Workspace / M365 email setup
  • Fixed-price iOS & Android apps ($12k+) and SaaS MVPs ($25kโ€“$45k) with full source-code ownership
  • Built-in SEO, AEO, GEO & AIO so Chicago customers find you on Google, ChatGPT, and Perplexity
  • SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB) for commercial and federal work

Our Services in Chicago

We offer the full range of our services to Chicago businesses, with both remote and on-site options available depending on your needs and location.

Development

Mobile App Development

AppDesign360 (Mango Consulting LLC) is a mobile app development company in Teaneck, NJ and Queens, NY. We build native iOS and Android apps in Swift and Kotlin, and cross-platform apps in Flutter and React Native, then handle App Store and Google Play submission. Fixed-price builds start at $12,000 and a scoped MVP ships in 8โ€“12 weeks; an App Blueprint (clickable prototype, technical spec, and fixed quote) starts at $2,500 for smaller budgets.

Blueprint from $2,500 ยท Builds from $12,000Learn more โ†’
Development

Web Design & SaaS Development

AppDesign360 (Mango Consulting LLC) designs and builds custom-coded business websites and SaaS platforms in React and Next.js for companies in New Jersey, New York City, Connecticut, and nationwide. Business websites start at $2,000 for a starter site and $3,500 for a full business site, launching in 1โ€“2 weeks with business email and SEO, AEO, and GEO setup included. SaaS and web applications are scoped from $25,000.

Websites from $2,000Learn more โ†’
Development

SaaS Product Development & Support

AppDesign360 (Mango Consulting LLC) is a SaaS development company based in Teaneck, New Jersey, with headquarters in Queens, NY. We design, build, and support subscription software for founders and businesses in Bergen County, across New Jersey, in New York City, and nationwide. A first version with sign-in, a PostgreSQL database, Stripe billing, and an admin dashboard costs $25,000โ€“$45,000 and launches in 8โ€“10 weeks; larger products run to $120,000 or more over 16 weeks. Every price is fixed in writing after a free 20-minute scoping call, and support continues after launch on a retainer or from $25 per hour.

Blueprint from $2,500 ยท Builds from $25,000Learn more โ†’

Chicago FAQs

Every project is fixed-price after a free 20-minute scoping call: Starter custom-coded websites run $2,000โ€“$3,500 (5โ€“7 days), Business websites run $3,500โ€“$8,000, App Blueprints run $2,500โ€“$5,000, mobile app builds start at $12,000, and SaaS MVPs run $25,000โ€“$45,000 in 8โ€“10 weeks.

Ready to Get Started in Chicago?

Let's discuss your project and how we can help your Chicago business leverage AI, custom software, and digital marketing to achieve your goals.