Janitorial reviews in Denver, Colorado

Big League has made a world of a difference with the appearance of our office. We get a lot of traffic throughout the week and it shows with dust, mud, marks, etc. The team makes our space look and smell like new every time. They are friendly and make scheduling a breeze!

This cleaning service it the literal best they got every spec of dust in sight and the place was sparkling like literally shining and it was so clean. They are AMAZING, also they are so nice!!

Big League Clean has been FANTASTIC! We have gone through countless cleaning companies, and to finally find one that is able to not only do the job extremely well, they are reliable, responsive, and reasonably priced. I would HIGHLY recommend Big League Clean to anyone.

Our 20,000 square foot office is clean every morning ourteam walks in, thanks to Big League Clean. They have done a great job at being consistent, which our previous cleaning companies were not. Our dedicated account manager checks in every couple weeks and makes sure to communicate with us as quick as she can - this is a well run organization and I can recommend if you have a larger office space that needs a professional cleaning service.

Great company with very clear and concise communication! Our company has been working with Nash and Amanda for a few years now and they do a great job. Amanda makes sure all of our needs are met, and you don't have to wait more than an hour to get a response from her. Cleaning crew is always on time and follows instructions closely. Thanks Big League!

Cleaned my crib up, incredibly. Loved how they made my home look.

We have been using Big League for our cleaning needs, and they have done an excellent job. Their team is professional, thorough, and always punctual. Communication with their team is seamless, and they are always accommodating to our schedule and specific requests. Highly recommend Big League Clean!

They provided the BEST cleaning service I’ve ever had!

Amazing cleaning service!! Highly recommend and will be a returning customer!

We use Big League Cleaning Service for our office space in Denver, and they’ve been phenomenal. The team is always punctual, professional, and incredibly thorough. They keep our workplace spotless—floors, restrooms, desks, even those little areas other companies often miss. It’s made a noticeable difference in both employee morale and client impressions.

They’re easy to schedule, responsive to special requests, and consistent with quality. If your business needs dependable, high-standard cleaning, Big League is the team to call. Total pros. Matthew, one of the owners is as pleasant and professional as they come with work ethic that even I admire. Very delighted to be able to support this business!

Matt helped me and my team keep the office spotless. Really appreciate support and glad to get this off my plate. Really struggled with reliable companies since COVID.

Absolutely love Fifth Coffee House!☕ The coffee is fantastic, the vibe is perfect, and the place is always spotless - seriously impressive attention to cleaning.

This coffee is AMAZING. My wife, cat, and dog walk here often! It is also very clean which we LOVE! Highly recommend this coffee shop :)

I am the Athletic Director at Boulder Country Club, and after many years of cycling through different cleaning companies, our Facilities Director discovered Big League Cleaners—and they have been outstanding from day one. Their communication is excellent, and they’ve consistently been willing to adapt to the unique needs of our facility. It’s never easy to define what should be cleaned nightly versus weekly or monthly, but Big League has always been flexible and accommodating.

Their management team is highly accessible, takes pride in their work, and genuinely cares about client satisfaction. Since they clean in the evenings after we close at 9pm, I don’t usually see their crew. However, during our annual deep clean—when our country club staff joins in from 9am–5pm—I had the opportunity to work alongside them for an entire week. They were phenomenal: assertive, hardworking, thorough, and extremely detail-oriented. We literally scrubbed walls together, and I was impressed that their standards were even higher than my own.

On the final day, we hired them to professionally clean our floors, which include a variety of surfaces: bamboo wood in the yoga room, rubber mats in the cardio and weight rooms, large tile in the lobby and restrooms, and multiple carpeted areas. Not only did they do a fantastic job on all of it, but they even cleaned our rugs—going above and beyond without being asked. Their carpet cleaning team was especially impressive: personable, experienced, efficient, and incredibly professional.

What stood out even more was how involved the owners were. They stayed in touch daily during the deep clean to ensure everything met my expectations, and they followed up afterward to confirm both my satisfaction and the accuracy of the invoice—something I usually have to chase down with other companies. Big League was always ten steps ahead.

Beyond cleaning, they’re also well-connected and can recommend reliable vendors for other facility needs, such as plumbing or tile and grout work. I can say without hesitation that I will hire Big League Cleaners for any job at our club.

If you’re looking for a cleaning company that is professional, detail-oriented, and client-focused, look no further. Big League Cleaners is the team you want by your side.

I’ve had such a great experience with Big League Clean! Their team is professional, thorough, and always reliable. Communication is excellent and they are super easy to work with. The quality of their cleaning is outstanding, and they consistently make sure everything looks perfect.

I would absolutely recommend Big League Clean! They are true professionals and work diligently to provide top of the line service to their clients. The team is respectful with our work space, adaptable to possible changes/challenges that arise and communicates exceptionally well. Highly recommend!

We highly recommend Big League Clean! We have used Big League Cleaning Service for our facility space, and they’ve been phenomenal. They are professional, thorough, always on time, and always responsive and accommodating to our needs. Their commitment to the highest standards in commercial cleaning services, professionalism and strong work ethic is evident in each job they have done for us! They are reliable, efficient and our workplaces are all spotless and in pristine condition due to their services. We love the dedicated single point of contact as well! Matthew, one of the owners, is always professional, reliable and pleasant and so easy to work with! Happy to support Big League Clean!

I haven’t had a cleaning with Big League Clean yet, but I’m already impressed with their professionalism and responsiveness. From my first contact, their communication has been prompt, friendly, and informative. They took the time to explain their cleaning options clearly, which gave me confidence in their attention to detail and customer service.

Based on other customers’ positive experiences and how organized they seem, I’m looking forward to scheduling my first cleaning soon. So far, Big League Clean has made an excellent first impression!

We’ve been using Big League Clean for our preschool for over a year now, and they’ve been fantastic. The team is always professional, respectful, and incredibly thorough. Their communication is excellent. They understand that we sometimes have parent meetings or events and they’re great about adjusting their timing when needed. Our offices and classrooms always look great. We’ve worked with other cleaning companies before, but none have been as consistent or easy to communicate with. Highly recommend them.

Excelente

They getting sued for not paying the employees on time