Trusted by 1,100+ Houston businesses every month
Commercial window cleaning done right since 1994
Greenlight Services offers premier window cleaning for medical offices, storefronts, and retail across Houston, Fort Bend, and Montgomery counties. The kind of clean typical janitor and maid companies just can't compete with.
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Medical & Professional Offices
Business analysis shows companies that keep up their appearance outperform those that don't. Your employees thank you for being able to look through clean windows and office dividers.
Storefronts
Dirty windows are the first thing customers see — and form an opinion on. GLS keeps them focused on the quality of your services, not the film on your glass.
Retail Storefront
Our team has been cleaning windows professionally for over 30 years. We understand store managers and boutique owners. Clean windows, awnings, and mirrors showcase your products.
Restaurant
For three decades, we've helped restaurant owners make a great first impression. Streak-free windows, doors, and mirrors mean diners see a clean, welcoming space the moment they walk up — no smudges, no distractions, just your food and atmosphere taking center stage..
Service Areas
Three counties. One trusted crew.
From The Woodlands to Pearland, Cypress to Friendswood, Humble to Sugar Land, and from the Galleria to Katy — if you're in Greater Houston, we're almost certainly on your block..
How it works
Simple from start to shine.
No contracts. No surprises. Just the cleanest windows in town.
Call or request
Reach out by our form, email, or phone. A real person answers.
Free on-site estimate
We meet at your property, assess, and quote — no pressure, no fee.
Pick your schedule
Weekly, bi-weekly, monthly, or one-time. Month-to-month, no contract.
Crystal-clear results
Our insured, uniformed crew arrives on time and leaves your glass spotless.
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