Dandee Cleaning Services
“Great company who cares about the customers satisfaction!”
Best Commercial & Office Cleaning near Islip, NY
1 of these companies is based in Islip; the others serve Islip from towns including Hauppauge (5 mi), East Islip (0 mi) and Bay Shore (3 mi).
3 open 24/7 · 9 open weekends · 12 rated 4.5+ · 3 show a license
Data verified October 21, 2026
Shineboxny
“I offer my highest recommendation and thank you so very much for being my forever vendor as I will never have to look for another cleaning service again thanks to Tom and his team!!!!!”
Servicemaster Advanced Service
“Excellent carpet cleaning at a fair price.”
MJE Professional Cleaning
Iac-Indoor Air Care Professionals
“Jeff is also extremely responsive which is a breath of fresh air in this line of business.”
Deluca Cleaning Systems
“Brian De Luca Cleaning Systems Team have been servicing my Douglas Elliman Office for many years and will surely be for years to come.”
Listed for businesses in and around Islip, NY, these 15 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.
Area overview: Islip, NY
14 of the 15 companies on this page have a rating, from 3.6 to 5.0 across 730 reviews; 5 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (91%) and responsiveness (74%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "crew". 3 are open around the clock; 9 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are commercial cleaning (4), window cleaning (4), floor cleaning (2), office cleaning (2) and residential cleaning (2). 3 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2006. 3 offer emergency call-outs; 11 give free estimates; 2 are family- or locally-owned and 3 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.
Will a company survey the building before quoting?
A free quote is offered by 11 of the 15 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.
M.E Janitorial Cleaning Services
“Guys come to my shop every week on time highly recommended place is always spotless after they leave .”
Samter Cleaning Services
“The house immediately smells great and everything sparkles from floors to the walls and from every frame to the crown moldings.”
Kear Solutions
“Owner Kenya is so accommodating and and prices very affordable for me”
National Janitorial
“Looks as a good as the day it was built highly recommend their services”
Ace Home Cleaning Service
“Spoke with Ted over the phone he got me booked for an appointment asap and had 3 men on sight working wonders right away .”
We Maid It
“They were prompt efficient, professional and after completion, it was if I had just completed the cleaning myself.”
CGI Cleaning Group Inc.
“We had them clean our office did awesome job very professional.”
Maid2clean LI
“I will definitely recommend Maid2 Clean and will continue to use their services.”
Olympic Dependable Maintenance
“He did an amazing job cleaning my house after a construction project and I was able to move in worry free of dust!”
Why these companies made our list
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