NYC Metro • All 5 Boroughs & NY State

Website Design & SaaS Development in New York City

Headquartered in Queens, NY, Mango Consulting LLC (AppDesign360) builds custom-coded business websites from $1,500, fixed-price iOS & Android apps, and multi-tenant SaaS MVPs, plus SEO, AEO, GEO, and AIO visibility for businesses across Manhattan, Brooklyn, Queens, the Bronx, Staten Island, Long Island, and Westchester.

Overview

New York City and New York State businesses hire Mango Consulting LLC (AppDesign360) for fixed-price engineering and measurable search visibility: custom Next.js websites from $1,500 (live in 1–2 weeks with Google Workspace or M365 email), iOS & Android apps from $3,500, scoped SaaS first releases from $15,000, and separately scoped search and AI visibility work measured against a baseline.

A Business Website With a Clear Next Step

Your website should explain the service, establish confidence through real work, and make it easy to call, book, or request a quote. We agree the pages, content, mobile enquiry flow, and integrations before building. Starter websites are $1,500–$3,500, Business websites $1,750–$4,000, and Growth projects $4,000–$10,000. The written scope confirms timing, revisions, email setup, provider costs, support, and handover.

Review our Fern Accounting and Momo Station NC website work, plus software products in the portfolio. These show the types of projects we deliver across markets; we discuss what is relevant to your business rather than assuming every visitor needs an app.

SaaS, Custom Business Software, and AI App Launch Help

Founders can start with SaaS product design and development. Established businesses can scope client portals, internal tools, and workflow software. If an AI-built prototype already exists, our app review and launch service identifies what can stay, release blockers, and a separately quoted implementation plan. The $125 sessions are coaching only; implementation, testing, deployment, and support are separate project work.

Industries We Serve in New York

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

  • High-Growth SaaS & Startups (Silicon Alley, Midtown, Flatiron, DUMBO)
  • Financial services, fintech, and banking (Wall Street, Midtown)
  • Media, advertising, and entertainment (Manhattan, Brooklyn)
  • Healthcare systems and medical practices (Upper East Side, Queens, Long Island)
  • Professional legal and accounting firms (Manhattan, Brooklyn, Queens)
  • E-commerce, hospitality, and retail brands (SoHo, Williamsburg, Flushing)

Why Choose Mango Consulting for New York?

  • Headquartered in Queens, NY, with local meetings across the five boroughs by appointment
  • Fixed-price Next.js SaaS development (MVPs from $15k), Vibe coding support, and $1,500+ custom business websites
  • Turnkey Business Email setup (Google Workspace / M365 with SPF, DKIM, and DMARC authentication)
  • SEO, AEO, GEO, and AIO work focused on useful content, accurate business information, and measured enquiries
  • Serving Manhattan, Brooklyn, Queens, Bronx, Staten Island, Long Island, Westchester & Upstate NY
  • SBA-certified SDVOSB for federal, state, and municipal contracts in New York

Our Services in New York

We offer the full range of our services to New York 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 Development for NYC Startups

AppDesign360 (Mango Consulting LLC) is a SaaS development company headquartered in Queens, New York, that builds and supports SaaS products for New York City startups. A first version with sign-in, a PostgreSQL database, Stripe billing, and an admin dashboard starts at $15,000 at a fixed price and launches in 8–10 weeks. The code, cloud accounts, and intellectual property are in your company's name from day one, which is what investors look for in technical due diligence.

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

New York FAQs

Custom-coded business websites start at $1,500–$3,500 (Starter, up to 5 pages, live in 5–7 days with business email) and $1,750–$4,000 for a full Business site with SEO/AEO/GEO setup. SaaS first releases with Next.js, PostgreSQL, and Stripe billing start at $15,000 at a fixed price and ship in 8–10 weeks.

Ready to Get Started in New York?

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.