Chicago & Chicagoland Metro

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

Fixed-price custom business websites from $1,500, 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 $1,500 (delivered in 1–2 weeks with authenticated business email), iOS and Android apps from $3,500, multi-tenant SaaS MVPs from $15,000, 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 — zero offshore handoffs
  • Custom-coded business websites from $1,500 in 1–2 weeks with Google Workspace / M365 email setup
  • Fixed-price iOS & Android apps ($3.5k+) and SaaS MVPs (from $15k) 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. Builds start at $3,500 for an agreed starter scope; a separate App Blueprint provides a clickable prototype, technical spec, and build quote from $1,250. The written scope confirms included features, platforms, price, and timing.

Builds from $3,500Learn more →
Development

Business Website Design & Development

AppDesign360 designs and develops business websites for North Bergen township, northern Bergen County, and New York City, with remote delivery across the US and Canada. Starter websites run $1,500–$3,500, business websites $1,750–$4,000, and larger growth websites $4,000–$10,000. We define the pages, enquiry path, content responsibilities, ownership, and launch plan in writing. SaaS products and internal business software are separately scoped services.

Websites from $1,500Learn more →
Development

SaaS Product Design & Development

AppDesign360 designs, develops, launches, and supports SaaS products for founders and growing businesses across the United States and Canada. Based in Teaneck, NJ and Queens, NY, we combine product discovery, interface design, engineering, deployment, and handover. A SaaS Blueprint is $1,250–$2,500. A scoped MVP starts at $15,000 with an indicative 8–10-week plan; exact scope and timing are confirmed before implementation. Existing prototypes begin with a separately scoped review.

Blueprint from $1,250 · Builds from $15,000Learn more →

Chicago FAQs

Every project is fixed-price after a free 20-minute scoping call: Starter custom-coded websites run $1,500–$3,500 (5–7 days), Business websites run $1,750–$4,000, App Blueprints run $1,250–$2,500, mobile app builds start at $3,500, and SaaS MVPs start at $15,000 in 8–10 weeks.

Ready to Get Started in Chicago?

Tell us about the website, software product, or business workflow you need to improve. We will discuss scope, budget, and a practical next step on a free 20-minute call.