Your office is probably dirtier than you think. The average work desk carries around 400 times more bacteria than a toilet seat, according to University of Arizona research.
That is exactly why the right commercial cleaning partner matters. Below are the five best commercial cleaning services in Maryland for 2026, starting with our top pick.
The 5 best at a glance
Short on time? Here is how the five companies compare.
| Company | Best for | Service area | Notable strength |
|---|---|---|---|
| CleanWise Solutions | Class A offices, medical, and apartment facilities | Southern Maryland and the DC metro | Industry-leading quality-control program and disinfection protocols |
| Metropolitan Maintenance | Large, complex facilities | Baltimore and surrounding areas | Since 1969; cleans 6M+ sq ft; Green Seal certified |
| Anago Cleaning Systems | Disinfection-focused plans | Baltimore area | EPA and CDC approved products; 24/7 emergency service |
| Green Apple Commercial Cleaning | Floor and carpet care | Maryland, DC, Virginia | 20+ years experience; full floor tech services |
| Stratus Building Solutions | Eco-conscious offices | Baltimore, Towson, Glen Burnie | Sustainability and green cleaning focus |
Each pick is broken down in detail further below. First, here is why hiring a professional is worth the spend.
Why a professional cleaner is worth it
A clean workplace is not just about looks. It protects your team’s health, cuts down on lost productivity, and extends the life of your floors and furnishings.
The numbers back this up.
| Data point | What the research shows | Source |
|---|---|---|
| Office desks are filthy | The average office desk carries roughly 400 times more bacteria than a toilet seat, and can hold up to about 10 million bacteria. | Dr. Charles Gerba, University of Arizona |
| Cleaning cuts sick days | Routinely disinfecting shared surfaces has been linked to up to about a 30 percent reduction in office worker sick days. | Dr. Charles Gerba, University of Arizona |
| A growing market | The U.S. cleaning services market was about 97.6 billion dollars in 2022 and is projected to reach roughly 147.6 billion by 2030. | Grand View Research |
| A large workforce | About 2.4 million janitors and building cleaners were employed in the U.S. in 2024, with a median wage of 17.27 dollars per hour. | U.S. Bureau of Labor Statistics |
With that context, here are the five services worth your shortlist.
1. CleanWise Solutions (Top Pick)
CleanWise Solutions takes our top spot for the blend of tailored service, disciplined quality control, and attention to detail that commercial clients across the DMV look for.
Rather than a one-size-fits-all package, CleanWise builds a program around each facility, backed by an industry-leading quality-control process and a client experience program designed to keep your needs front and center.
Why it stands out:
- Best for: Class A office buildings, outpatient medical facilities, and apartment complexes
- Service area: Southern Maryland, Washington DC, and Northern Virginia, plus Richmond, Virginia
- What sets it apart: an industry-leading, innovative quality-control program, client experience programs, and robust disinfection protocols
- For multi-family: onsite daily staff that speeds unit turnovers and helps reduce vacancy
Get a free quote: CleanWise Solutions
If you want a cleaner you can set and forget, CleanWise is the clearest choice. The next pick is the most established name on the list.
2. Metropolitan Maintenance
Formed in 1969, Metropolitan Maintenance has grown into one of the largest privately owned commercial cleaning companies in Maryland. Today it cleans more than 6 million square feet and employs over 400 people.
Why it stands out:
- Best for: large or complex facilities with high square footage
- Service area: Baltimore and the surrounding areas
- Extras: day porter service, power washing, carpet and window cleaning, post-construction cleanup, and floor restoration
- Green credentials: uses Green Seal certified products
For organizations that need scale and decades of experience, it is a safe bet. If disinfection standards are your priority, the next pick is built around them.
3. Anago Cleaning Systems of Baltimore
Anago brings a structured, protocol-driven approach through its local Baltimore franchisees. It leans heavily on disinfection, using EPA and CDC approved products on every job.
Why it stands out:
- Best for: businesses that prioritize disinfection and sanitization
- Service area: the Baltimore area
- Signature offer: the Protection+ Disinfection program, with tiered plans matched to your size, needs, and budget
- Availability: 24/7 for emergency clean-ups
Anago suits offices that want clear protocols and round-the-clock support. The next pick is the one to call for floors and carpets.
4. Green Apple Commercial Cleaning
With more than two decades of experience, Green Apple serves clients across Maryland, Washington DC, and Virginia. It handles the full commercial range, from offices and break rooms to kitchens and warehouses.
Why it stands out:
- Best for: routine janitorial work plus periodic deep maintenance
- Service area: Maryland, DC, and Virginia
- Specialty: floor stripping and waxing, carpet shampooing, and full floor tech
- Nice to have: free estimates
If you want one vendor for both daily cleaning and heavy floor care, Green Apple fits. The final pick is best for sustainability-minded offices.
5. Stratus Building Solutions
Stratus rounds out the list with a focus on sustainability and customized service. It serves Baltimore, Towson, Glen Burnie, and nearby communities.
Why it stands out:
- Best for: small businesses and offices with green or LEED goals
- Service area: Baltimore, Towson, Glen Burnie, and surrounding areas
- Specialty: green cleaning solutions scaled to businesses of any size
Stratus is a strong option when a lighter environmental footprint is part of the brief. Once you have a shortlist, use the checklist below to choose.
How to choose a commercial cleaner in Maryland
Before you sign anything, confirm that any company you are considering checks these boxes.
- Customized plans. Your building is not generic, so your plan should be tailored to your space and schedule.
- Vetted staff. Look for background-checked, supervised crews, especially for after-hours access.
- Reliability. A great cleaner shows up on schedule and is easy to reach when something changes.
- Insurance and bonding. Make sure the company is fully insured and bonded to protect your business.
- Safe products. EPA and CDC approved products matter for medical, food service, and high-traffic spaces.
Run through these five points and the right fit usually becomes obvious.
The bottom line
Maryland has no shortage of cleaning options, but quality and reliability vary widely. Metropolitan, Anago, Green Apple, and Stratus each bring real strengths.
For the best overall mix of tailored service, consistency, and attention to detail, CleanWise Solutions is our top recommendation for commercial cleaning in Maryland in 2026.
Sources
Charles Gerba, University of Arizona, office surface bacteria research (reported via EHS Today and Food Safety News): ehstoday.com and foodsafetynews.com
Grand View Research, United States Cleaning Services Market Outlook: grandviewresearch.com
U.S. Bureau of Labor Statistics, Occupational Outlook Handbook, Janitors and Building Cleaners: bls.gov
Company details verified from official sites: metropolitanmaint.com, anagocleaning.com, greenapplecleaningmd.com, stratusclean.com
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