About Us
Long Island's Trusted Window Experts
Window Company Long Island was founded in 2011 by James Moretti with one truck and a simple promise: show up on time, do clean work, and charge a fair price. 15years later, that promise hasn't changed.
Today we run four install crews across Nassau and Suffolk counties, maintaining a 4.9-star rating across 604+ verified reviews. We are certified by Andersen, Pella, and Harvey, and we are an Energy Star Partner and BBB Accredited Business with an A+ rating.
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Meet the Founder
James Moretti
Founder & Lead Estimator
James started installing windows on Long Island in 2006 after five years as a general contractor. He founded Window Company Long Island in 2011 with one truck and a commitment to doing clean, on-time installations. Today the company runs four crews across Nassau and Suffolk counties.
James personally handles every estimate and walks homeowners through their options without pressure. He believes the best salesmanship is simply measuring accurately, explaining clearly, and letting the work speak for itself.
Our Team
The People Behind Every Install

James Moretti
Founder & Lead Estimator
Handles all estimates and project oversight. 20 years of window installation experience.

Sarah Chen
Operations Manager
Sarah coordinates all project scheduling, permits, and quality inspections. She's been with WCLI since 2015.

Miguel Torres
Lead Installer
Miguel leads our top crew with 12 years of window installation experience specializing in bay and bow configurations.
Our Story
From One Truck to Four Crews
James Starts Installing
After five years as a general contractor, James Moretti specializes in window installations across Nassau County.
WCLI Founded
Window Company Long Island launches with one truck, one crew, and a commitment to clean, on-time installations.
Suffolk County Expansion
Growing demand leads to a second crew and full service coverage across Suffolk County.
1,000th Home Completed
We celebrate our 1,000th home and earn Andersen Certified Contractor status.
Energy Star Partner
We become an Energy Star Certified Partner, reflecting our focus on energy-efficient installations.
Four Active Crews
The team grows to four install crews and 14 employees. BBB Accredited with an A+ rating.
2,500+ Homes
We pass 2,500 completed homes and maintain a 4.9-star Google rating with 380+ reviews.
Our Values
What We Stand For
Honest Pricing
The number on your quote is the number on your invoice. No surprise fees, no hidden costs, no bait-and-switch.
Craftsmanship First
We measure twice, insulate every cavity, and finish every detail. Our 10-year workmanship warranty backs that promise.
Respect for Your Home
Drop cloths on every floor, shoe covers inside, and a thorough cleanup at the end of each day. Your home is not our job site — it is your home.
Local to the Core
We live on Long Island, our kids go to school here, and our reputation is everything. Every job reflects on our community standing.
Free Estimate
Work With a Team That Cares
Get a free estimate from a company that's been trusted by Long Island homeowners since 2011.
Call (631) 565-8126Homes Completed
Google Rating
Years Experience