Proudly Serving Charleston & Surrounding AreasCommercial Window Cleaning
Streak-free interior and exterior window cleaning for storefronts, office buildings, and medical facilities across the Lowcountry.
Preferred Services Group provides commercial window cleaning in Charleston, SC and surrounding counties. Service includes interior and exterior glass cleaning, frame and sill wiping, screen cleaning, and high-rise reach work for storefronts, office buildings, medical facilities, and industrial properties. We use professional squeegees, deionized water systems, and streak-free solutions to deliver crystal-clear results. One-time, monthly, quarterly, and annual schedules available. Call (843) 478-2114.
Crystal-Clear Windows That Make Your Business Shine
First impressions matter. Smudged, streaked, or grimy windows tell customers your business doesn't sweat the details — and that's a message no medical office, retail storefront, or corporate building can afford to send.
Our window cleaning crews use professional-grade squeegees, lint-free cloths, and pure-water systems to deliver flawless results on every pane — interior and exterior. We handle ground-level glass, upper-floor windows with extension poles, and partner with certified high-reach specialists for taller buildings.
Whether you need a one-time deep clean before a big event, quarterly maintenance, or a regular monthly schedule, we tailor our window service around your facility's needs and customer traffic.
What's Included
Streak-Free Results
Professional squeegees and lint-free finishing wipes leave glass crystal-clear without streaks, drips, or residue.
Interior & Exterior
Inside and out — we clean both sides of every window, plus frames, sills, and tracks for a complete refresh.
Storefronts & Lobbies
Customer-facing glass kept spotless to project a clean, professional brand image at every entry point.
Safe Methods
Trained technicians use proper ladders, safety equipment, and OSHA-compliant practices for every height.
Flexible Scheduling
One-time deep cleans, monthly, quarterly, or annual programs — scheduled around your business hours.
Detail Inspections
Every job ends with a walk-through to confirm spotless results before our team leaves your property.
What We Cover
Frequently Asked Questions
Related Reading
- Window Cleaning for Office Buildings: Professional vs DIYShould your maintenance staff clean the office windows, or should you hire a pro? Compare safety, cost, quality, and time for commercial window cleaning in Charleston to decide what fits your building.
- Commercial Pressure Washing Charleston: Keep Your Business Property CleanCharleston's humidity means buildings, sidewalks, and dumpster pads grow mold and grime fast. Here's how commercial pressure washing protects your property — and how to pick the right provider.
Window Cleaning by Service Area
Local pages with city-specific information, neighborhoods we cover, and frequently asked questions.