Web Development & SEO — Long Island

Custom Web Development
for Long Island Businesses

From simple business websites to full-stack web applications — built clean, built fast, and optimized to rank for Nassau and Suffolk County searches. Based in Oyster Bay, NY since 2006.

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Serving Nassau County Suffolk County NYC Metro Local SEO Specialists Based in Oyster Bay, NY

The Problem with Generic Web Agencies

Your Website Should Work as Hard as You Do

Most Long Island businesses either have an outdated site that doesn't reflect what they actually do, or a template-built site that looks like everyone else's and ranks for nothing. A website that can't be found, or doesn't convert visitors into calls, isn't an asset — it's a missed opportunity.

Gold Coast Tech builds custom websites and web applications from scratch — no page builders, no cookie-cutter templates. Every site is written in clean code, designed with your customers in mind, and optimized from day one to rank in local Long Island searches.

What We Build

Web Services for Every Business Need

Whether you need a professional business site or a complex web application, we have the experience to build it right.

Custom Website Design

Purpose-built websites designed around your brand, your customers, and your goals — not a template with your logo dropped in.

Web Application Development

Database-driven platforms, client portals, booking systems, membership sites, and custom web apps built in PHP, JavaScript, and MySQL.

E-Commerce Development

Online stores built to sell — product management, secure checkout, inventory control, and a shopping experience your customers will trust.

Local SEO & Search Visibility

On-page SEO, meta optimization, structured data markup, Google Search Console submission, and content targeting Nassau and Suffolk County search terms — built into every project.

WordPress Development

Custom WordPress themes, plugin configuration, performance tuning, and security hardening — for businesses that want an easy-to-manage site on a proven platform.

Hosting, Maintenance & Support

Fast, reliable hosting with ongoing maintenance, security updates, backups, and support — so your site stays up, stays secure, and stays current.

Who We Work With

Web Development for Long Island Organizations of All Sizes

We work with businesses across Nassau and Suffolk County that need a web presence that actually performs — from a first-time website to a complete platform rebuild.

"What impressed us most was their ability to execute a two-year project with minimal disruption to our active care operations. Their team was professional, communicative, and truly cared about getting it right."

Director — North Shore Assisted Living Facility

Why Gold Coast Tech

A Local Developer Who Understands Long Island Business

We're not a marketing agency that outsources development. We write the code, we do the SEO, and we stay involved after launch.

No Templates, No Shortcuts

Every site we build is custom. That means faster load times, cleaner code, better SEO, and a result that actually fits your business.

SEO From Day One

Local search optimization isn't an add-on — it's built into every project. We target the Long Island search terms your customers are actually using.

All Budgets Welcome

From a clean five-page business site to a full-stack web application — we scope projects to fit what you need and what you can invest.

We Handle Everything

Design, development, hosting, SEO, maintenance — one local team handles it all. No project management overhead, no finger-pointing between vendors.

Ready to build something that works?

Call us at (718) 205-5441 or fill out the form below — we respond within one business day.

Get a Free Quote

Get Started

Tell Us About Your Project

New site, redesign, or web app — tell us what you're trying to accomplish and we'll put together a plan.

Phone
(718) 205-5441
Location
Oyster Bay, NY
Serving all of Long Island & NYC Metro
Hours
Mon–Fri 9am–6pm
Emergency support available 24/7