The Cleaning Fairies
“It was my first time trying a cleaning service and I was a little nervous at first, but the communication was informative and the email correspondents helped guide me to the services that my home needed!”
Best Commercial & Office Cleaning in Boulder, CO
24 companies listed · 10 in Boulder · 1 open 24/7 · 7 open weekends · 20 rated 4.5+
Data verified October 27, 2026
Clean Conscience
“I came home to not only a beautifully, thoughtfully cleaned home- but they took the time to put coffee in the coffeemaker for tomorrow 😭😭😭 I appreciate their thoughtfulness so much.”
Rocky Mountain Cleaning
“Ivan and the team are fantastic - quick responses via email, forthright about pricing, everyone is super friendly and arrives right on time and do the most thorough job of any cleaners I've ever used.”
2 Buckets Cleaning
“Their flexibility and responsiveness to our needs has been phenomenal and we whole heartedly recommend them to anyone who wants their home cleaned and maintained to the highest standards.”
Precision Carpet Cleaning & Janitorial
“The guys arrived just ahead of their scheduled time and got right down to business, did an amazing job on some pretty tough areas and even left their air handlers (and some clean booties) with us overnight to make sure it was all dry.”
GBS Commercial Cleaning
“My office hired GBS Commercial Cleaning to clean our offices several years ago and they were our janitorial service until COVID-19 sent us all home to work.”
Listed for businesses in and around Boulder, CO, 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.
Area overview: Boulder, CO
10 of the 24 companies we list are based in Boulder; the other 14 serve Boulder from towns including Lafayette (3 mi), Longmont (13 mi) and Westminster (14 mi). The companies on this page are rated from 4.1 to 5.0 across 2,164 reviews; 13 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (87%), professionalism (84%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "communication", "price" and "efficient". 1 is open around the clock; 7 are open on Saturdays and 2 on Sundays. The services the companies on this page list most often on their websites are carpet cleaning (2), commercial cleaning (2), office cleaning (2) and window cleaning (2). 3 show a license on their websites and 5 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 42 years. 1 offers emergency call-outs; 13 give free estimates; 7 are family- or locally-owned and 5 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 13 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.
Dandelion Cleaning
“First, I scheduled an in-home consultation for a deep clean with Kati (business owner) the night before on their website and she was there right on time that next morning.”
Maid For You Eco House Cleaning
“The other individual services we tried seemed to care more than the franchises, but compared to Maid For You they were more expensive, not as thorough and almost impossible to reschedule with and did not use eco friendly products.”
Avalanche Commercial Cleaning
“Their cleaning crews are very responsible and professional, even with the new sanitation standard and our account manager is always there to assist any kind of requests.”
Boulder Commercial Cleaners LLC
“Boulder Commercial Cleaners is a rare find: professional, thorough, incredibly detailed, communicative, punctual, and the best cleaning service I have ever used.”
Janitorial Services Barrera LLP
PD Systems Inc
“I work for this janitorial service”
Summit Cleaning
“The service was a deep clean of my home, they had great attention to detail on the upstairs which left them not enough time once they moved to the downstairs to properly clean it.”
Tarylen Cleaning Services
“Mara has been assigned to our home for most of that time, and we are consistently happy with the results: excellent attention to detail, always leaving the house feeling great, and she's very nice too.”
Sunset Hill Window Cleaning
“We've been in our house for 5 plus years and for 5 years the underground downspout in front of our house has been jammed, leading to ice patches on the walk to our front door.”
Clean Can Now
“These guys showed up the day after my inquiry( I did message them the day of my trash pickup) but the communication was perfect and the cans are spotless clean and smell wonderful.”
KG Facility Solutions
“From their leadership to the team who serves our building, we trust that they will do everything possible to make our building look the best it possibly can!!”
Fusion Cleaning
“If you like hiring a local company that does a great job, and provides you with thoughtful customer service and a personal touch, you won't be disappointed!”
Natures Choice Cleaning
“It's clear that Nature's Choice takes pride in fostering a healthier, happier environment for their clients, and that they truly want to help us make our lives just a little easier.”
Household Solutions
“” We're scheduled, I get reminder texts, our cleaners are timely, conscientious, and always thoughtful about cleaning with two people working from home simultaneously.”
Verde Cleaning
“They did a deep clean since we're having a housewarming party tomorrow and I feel such a sense of relief that our house looks so fresh and clean and cared for.”
Angel Touch Cleaning
“I loved working with them - Brian the GM would run out here every time I had any concerns and Corey was always very responsive and they really tried their best to make things right.”
Avalanche Power Clean
“One of my technicians spilled battery acid on a customers driveway and they cleaned it batter then I thought possible.”
Casabella
“I'm typically a little hesitant to have my house cleaned - based on poor past experiences, but the level of service the Casabella crew provided has changed my mind.”
Why these companies made our list
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