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24 companies listed · 12 in Gaithersburg · 2 open 24/7 · 16 open weekends · 22 rated 4.5+
Data verified October 21, 2026
Listed for businesses in and around Gaithersburg, MD, these 24 companies hold commercial cleaning contracts. Contract cleaning is priced off a written scope and a frequency schedule, so two quotes are only comparable when both are working from the same specification.
12 of the 24 companies we list are based in Gaithersburg; the other 12 serve Gaithersburg from towns including Silver Spring (14 mi), Germantown (4 mi) and Rockville (5 mi). 23 of the companies on this page have a rating, from 4.0 to 5.0 across 2,450 reviews; 15 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (90%), professionalism (89%) and responsiveness (79%). 2 are open around the clock; 16 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are carpet cleaning (4), commercial cleaning (4), deep cleaning (3), apartment cleaning (2) and commercial cleaning services (2). 1 lists staff certifications (IICRC) and 1 has a BBB rating of A or A+. 14 have ten or more years of experience, the longest 38 years. 2 offer emergency call-outs; 1 offers financing or payment plans; 10 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
A free quote is offered by 10 of the 24 commercial cleaning companies listed. Insist the survey happens on site and at the hour the work would run, because an empty office at noon tells nobody what the restrooms look like at six in the evening.
