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3 of these companies are based in Ellicott City; the others serve Ellicott City from towns including Baltimore (12 mi), Silver Spring (21 mi) and Catonsville (6 mi).
4 open 24/7 · 12 open weekends · 23 rated 4.5+ · 5 show a license
Data verified October 21, 2026
Listed for businesses in and around Ellicott City, 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.
The 24 companies on this page are rated from 4.3 to 5.0 across 2,432 reviews; 18 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (89%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "efficient". 4 are open around the clock; 12 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are office cleaning (4), carpet cleaning (3), residential cleaning (3), apartment cleaning (2) and commercial cleaning (2). 5 show a license on their websites; 3 list staff certifications (IICRC and EPA) and 6 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 38 years. 6 offer emergency call-outs; 14 give free estimates; 7 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. 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.
An address in Ellicott City is given by 3 of the 24 commercial cleaning companies here; the others come from other towns within 30 mi. For nightly work, the supervisor's drive matters more than the office address, since a site that is an hour from the nearest manager gets inspected less often.
