🏢 NYC’s #1 Commercial Cleaning Company

Reliable, 5-Day-A-Week Janitorial Solutions for Modern Offices

Stop worrying about whether the office will be clean tomorrow. We deliver consistent, professional cleaning for corporate offices, law firms, medical facilities, and commercial buildings across NYC.

  • Dedicated Account Management — one contact for everything
  • Same Cleaning Staff Every Time — they know your space
  • Net-30 Payment Terms Available for corporate accounts
  • No Long-Term Lock-In — just 30-day notice to cancel
  • $2M+ Liability Coverage — fully insured and bonded

Get Your Free Commercial Quote

Response within 2 business hours — no obligation

Name

200+Commercial Clients
4.8/5.0Google Rating
Since 2018Serving NYC
$2M+Liability Coverage
100%Satisfaction Guarantee

Cleaning Solutions for Every NYC Business

From corporate offices to medical facilities, we understand the unique cleaning requirements of every industry we serve.

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Corporate Offices

Daily janitorial service for open-plan offices, conference rooms, lobbies, and break rooms. We work around your schedule — early morning, evening, or weekends.

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Law Firms

Discreet, professional cleaning for law offices. We understand confidentiality — our team is background-checked and trained to work in sensitive environments.

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Medical Offices

Hospital-grade disinfection protocols for medical and dental offices. We use EPA-approved disinfectants and follow strict hygiene standards for patient safety.

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Retail & Showrooms

Keep your retail space spotless and welcoming for customers. We handle floors, displays, fitting rooms, restrooms, and front-of-house areas.

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Commercial Buildings

Full-building maintenance for office buildings, co-ops, and condos. Lobbies, hallways, elevators, stairwells, and common areas — all covered.

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Restaurants & Cafés

Deep cleaning and daily maintenance for food service businesses. Kitchen cleaning, dining areas, restrooms, and health inspection prep included.

Everything Your Business Needs to Stay Clean

We offer a full suite of commercial cleaning services, customized to your facility’s size, industry, and schedule.

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Janitorial Cleaning

Daily or nightly janitorial service for offices and commercial spaces. Consistent, thorough, and always on schedule.

  • Trash removal & liner replacement
  • Vacuuming & mopping all floors
  • Restroom sanitization
  • Kitchen & break room cleaning
  • Dusting surfaces & furniture
  • Glass & mirror cleaning

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Office Cleaning

Specialized cleaning for corporate offices, conference rooms, and executive suites. Professional, discreet, and reliable.

  • Desk & workstation cleaning
  • Conference room setup & cleaning
  • Reception & lobby maintenance
  • Elevator & common area cleaning
  • Window sill & ledge dusting
  • Recycling & waste management

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Building Maintenance

Comprehensive maintenance for commercial buildings, co-ops, and condos. Keep your property in pristine condition year-round.

  • Lobby & hallway cleaning
  • Elevator cab cleaning
  • Stairwell maintenance
  • Laundry room cleaning
  • Garbage room maintenance
  • Roof & terrace cleaning

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Our Seamless Onboarding Process

We make transitioning to a new cleaning service completely painless. From the first walkthrough to daily execution, we handle every detail.

1

Request & Walkthrough

Submit your quote request online. We’ll schedule a quick walkthrough of your facility to understand your specific needs, traffic patterns, and pain points.

2

Custom Proposal

You receive a detailed, transparent proposal outlining the scope of work, frequency, and exact pricing within 2 business hours. No hidden fees, ever.

3

Facility Setup

Once approved, we handle everything: providing cleaning products, managing keys and access, coordinating trash protocols, and assigning your dedicated team.

4

Execution & Supervision

Your assigned team cleans using a custom checklist. A supervisor visits weekly to ensure standards are met. We request monthly feedback for continuous improvement.

Business-Friendly Terms & Dedicated Support

We believe in earning your business every single month — not locking you into rigid contracts.

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No Long-Term Contracts

No lock-ins. If your needs change, simply provide a 30-day notice. We keep clients through exceptional service, not legal obligations.

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Net-30 Payment Terms

We offer Net-30 payment terms for approved corporate accounts, aligning with your standard accounting cycles for maximum convenience.

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Dedicated Account Manager

One single point of contact for all your needs. No call centers or runarounds — direct access to someone who knows your facility inside and out.

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Consistent Staffing

We send the same cleaning professionals to your facility every time. They learn your preferences, security protocols, and specific requirements.

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$2M+ Liability Coverage

Fully insured and bonded with $2M+ in liability coverage. Every cleaner is background-checked and vetted before entering your facility.

100% Satisfaction Guarantee

Not satisfied? We return within 24 hours to make it right at no extra cost. Your satisfaction is our top priority, every single day.

Trusted by NYC’s Top Businesses

Don’t just take our word for it. See how we’ve transformed the workspaces of our corporate clients.

★★★★★

“DLL has been cleaning our Manhattan law firm for 2 years. Their 5-day-a-week service is impeccable — the office is always spotless when we arrive. Having the same dedicated cleaning staff means they know exactly how we like things done. Highly recommend for any corporate office in NYC.”

MR
Michael R.
Managing Partner, Law Firm — Manhattan

★★★★★

“We switched to DLL for our Brooklyn office building and the difference is night and day. The weekly supervisor visits ensure quality never drops. Professional, reliable, and the team is always thorough. Our tenants constantly compliment how clean the common areas are.”

SL
Sarah L.
Property Manager — Brooklyn

★★★★★

“As a medical facility, cleanliness is non-negotiable. DLL’s hospital-grade disinfection protocol gives us total peace of mind. They’re punctual, professional, and go above and beyond every single day. The Net-30 payment terms also make our accounting department very happy.”

DC
Dr. C.
Medical Office Director — Queens

Commercial Cleaning Questions Answered

How quickly can you start cleaning our office?

After your free walkthrough and proposal approval, we can typically begin service within 3–5 business days. For urgent needs, contact us directly at (866) 955-0192 and we’ll do our best to accommodate a faster start date.

Do you offer after-hours or weekend cleaning?

Yes — we offer flexible scheduling including early morning (before 7am), evening (after 6pm), and weekend service. Most of our commercial clients prefer after-hours cleaning to minimize disruption to their team.

What is included in your standard janitorial service?

Our standard janitorial service includes trash removal, vacuuming and mopping all floors, restroom sanitization, kitchen and break room cleaning, dusting surfaces, and glass cleaning. We create a custom checklist for each client based on their specific needs.

Are your cleaners background-checked?

Yes — every DLL cleaning professional undergoes a thorough background check and is fully vetted before being assigned to any commercial client. We understand that trust and security are paramount when allowing service providers into your business.

Do you provide your own cleaning supplies and equipment?

Yes — we bring all professional-grade cleaning products and equipment. We use eco-friendly, EPA-approved products that are safe for your employees and the environment. You don’t need to provide or store any cleaning supplies.

What is your cancellation policy?

We believe in earning your business every month. There are no long-term contracts — simply provide a 30-day written notice to cancel or modify your service. No penalties, no hidden fees.

Ready to Upgrade Your Office Cleaning?

Join 200+ NYC businesses that trust DLL Cleaning Services for their daily janitorial needs. Get your free quote in minutes.

Response within 2 business hours · No obligation · No long-term contracts