Professional Cleaning for Every Industry in New York City
DLL Cleaning Services delivers tailored commercial cleaning solutions for NYC’s most demanding businesses — from law firms to medical offices to corporate headquarters.
Industries We Serve
We specialize in high-frequency commercial cleaning for businesses that demand consistency, professionalism, and reliability — 4 to 5 days per week.
Corporate Offices
Daily or 5-day-per-week cleaning for corporate headquarters, open-plan offices, and executive suites across Manhattan and NYC.
- Workstations, desks & conference rooms
- Kitchen & break room sanitation
- Restroom deep cleaning daily
- After-hours service available
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Law Firms
Discreet, consistent cleaning for law offices and legal practices. We understand the importance of confidentiality and professionalism.
- Private offices & conference rooms
- Document-safe cleaning protocols
- Same vetted team every visit
- After-hours & weekend available
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Medical Offices & Clinics
Healthcare-grade cleaning for medical practices, dental offices, and clinics. EPA-registered disinfectants and strict hygiene protocols.
- EPA-certified disinfection
- Waiting rooms, exam rooms & restrooms
- HIPAA-aware staff protocols
- Daily or 5-day service available
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Retail Stores
Keep your retail space spotless and inviting. We clean before or after business hours to minimize disruption to your customers and staff.
- Sales floor, fitting rooms & stockrooms
- Entrance & window display cleaning
- Before-open or after-close service
- High-traffic floor maintenance
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Commercial Buildings
Full-building janitorial and maintenance services for property managers, co-ops, and commercial landlords in NYC.
- Lobbies, hallways & common areas
- Elevator & stairwell cleaning
- Trash removal & recycling management
- Dedicated account manager
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Other Commercial Spaces
Don’t see your industry? We clean all types of commercial spaces in NYC. Contact us for a custom quote tailored to your needs.
- Educational facilities & schools
- Financial services offices
- Government & non-profit offices
- Custom frequency & scope
Get a custom quote
Why NYC Businesses Choose DLL
We’re not a residential cleaning company that also does offices. Commercial cleaning is our core business.
No Long-Term Contracts
Month-to-month service. Cancel with 30 days notice. We earn your business every single visit.
Net-30 Invoice Billing
Invoice-based billing for businesses. Pay 30 days after service — no credit card required upfront.
Dedicated Account Manager
One point of contact for all scheduling, billing, and quality control. No call centers, no runaround.
$2M+ Liability Insurance
Fully insured and bonded. Certificate of insurance available on request for your records.
Background-Checked Staff
Every cleaner passes a thorough background check. Same consistent team assigned to your location.
100% Satisfaction Guarantee
If you’re not satisfied, we’ll return within 24 hours and re-clean at no additional charge.
How It Works
Getting started with commercial cleaning service is simple. No lengthy contracts or complicated onboarding.
Request a Quote
Fill out our short form or call us. We’ll respond within 2 business hours.
Site Walkthrough
We visit your space, assess your needs, and provide a detailed written proposal.
Custom Plan
We create a cleaning schedule and checklist tailored to your industry and frequency.
We Start Cleaning
Your dedicated team begins service. Quality inspections every 30 days.
What Our Commercial Clients Say
“DLL has been cleaning our law firm’s offices for over 2 years. They’re discreet, thorough, and always on time. Our managing partners specifically requested we keep them.”
“We manage 12 commercial properties in Brooklyn and Manhattan. DLL handles 8 of them. Their account management system and Net-30 billing makes our job so much easier.”
“As a medical practice, cleanliness is non-negotiable. DLL uses the right disinfectants, their staff is professional, and they’ve never missed a scheduled cleaning in 18 months.”