About Big League Clean
Big League Clean is an independent commercial cleaning company serving Denver, with city pages for Aurora and Centennial. Its website presents it as a single provider for many cleaning needs: recurring janitorial service, post-construction cleanup, floor care, carpet and window cleaning, disinfection and day porter service. Facility types named include offices, medical and healthcare spaces, industrial and warehouse sites, schools, retail stores, government buildings, labs, apartment and HOA properties, car dealerships and banks.
The website addresses many questions buyers ask. It says there is no long-term contract, that cleaning is done by the company's own background-checked employees rather than subcontractors, and that the company is insured and bonded. It also mentions evening and after-hours cleaning, regular supervisor inspections, a free walkthrough before quoting, a satisfaction or re-clean guarantee, a staff training program, OSHA safety training and Green Seal certification.
Big League Clean has a 5.0 rating from 84 Google reviews. Among the 10 most recent, reviewers mention reliability, communication and fixing problems once each.
Services and facilities
As listed on the contractor's website.
Services
- Recurring janitorial
- Post-construction cleaning
- Floor care (strip, wax, burnish)
- Carpet cleaning
- Window cleaning
- Disinfection
- Day porter
Facilities
- Offices
- Medical & healthcare
- Industrial & warehouse
- Schools
- Retail
- Government
- Labs & cleanrooms
- Apartments & HOAs
- Car dealerships
- Banks
What recent reviewers mention
From the 10 most recent Google reviews with text. We count themes; we don't quote reviews.
- 1 of 10 reviewsreliability
- 1 of 10 reviewscommunication
- 1 of 10 reviewsfixing problems
The owner replied to 70% of the recent reviews. Most recent review: May 2026.
Areas served
Cities with their own page on the contractor's website.
Aurora, Centennial, Denver
Data checked October 2026. Is something wrong or out of date? Tell us.
Buyer's checklist
15 answers we found for Big League Clean. Everything marked "Ask them" still needs an answer in writing before you sign.
Where each fact comes from:Public recordStated on websiteGoogle reviews
Facility fit and experience
- Free walkthrough before quotingStated on website
- Ask them:Can you provide references from comparable clients, including a long-term client?
Scope and cleaning standards
- Evening / after-hours cleaningStated on website
- Ask them:Can you provide a written checklist of tasks per visit, weekly and monthly?
- Ask them:What is excluded or priced separately (carpet extraction, floor refinishing, windows)?
- Ask them:Who supplies and restocks paper products, soap and liners?
Reliability and staffing
- Describes a staff training programStated on website
- Own employees, not subcontractorsStated on website
- Green Seal certified products or certificationStated on website
- OSHA safety training for staffStated on website
- Reliability (1 of 10 recent reviews)Google reviews
- Ask them:Will we have the same team, and who supervises them?
- Ask them:Who covers sickness, vacations and turnover?
- Ask them:If a visit is missed, when will you notify us and restore service?
Quality control and communication
- Satisfaction or re-clean guaranteeStated on website
- Regular supervisor inspectionsStated on website
- Communication (1 of 10 recent reviews)Google reviews
- Fixes reported problems (1 of 10 recent reviews)Google reviews
- Ask them:Who is our main contact, and how do we reach someone after hours?
- Ask them:What response and correction times will you commit to in writing?
Insurance, security and accountability
- Background-checked staffStated on website
- InsuredStated on website
- BondedStated on website
- Ask them:Can you provide current certificates for general liability and workers' compensation?
- Ask them:What screening is done before staff get access to our building?
- Ask them:How are keys, access codes and alarms handled?
Pricing and contract terms
- No long-term contract requiredStated on website
- Ask them:What is the total recurring price, and what triggers extra charges?
- Ask them:How long is the rate fixed, and how much notice is given for increases?
- Ask them:What is the contract term, does it renew automatically, and what are the cancellation terms?
Startup and transition
- Ask them:When can you start, and who manages onboarding?
- Ask them:Can we agree on a trial period and an early review date?