Office Cleaning Markham | After-Hours Flat Rate
Commercial office cleaning across Markham — after-hours, flat monthly rates, same team every visit. Bonded + insured.
Most Markham businesses I talk to have one of two problems: their current cleaner keeps changing staff (no consistency, missed corners), or they're paying per-hour and the quality drifts week to week. We fix both with flat monthly pricing and dedicated crew assignment across all of Markham.
Related cleaning guides: Office Cleaning in Whitby | Flat-Rate from Every after-hours visit includes: This scope fits offices from 1,000 to 20,000 sq ft in Markham. Larger spaces quoted from walkthrough. Unlike consumer cleaning, Markham office work requires trust. Your crew moves through secured spaces after hours. That's why we: If your Markham building requires additional clearance (Secret/Top Secret adjacent, government-adjacent), tell us at onboarding — we'll match the required vetting. Standard across Markham commercial buildings. We service offices across Markham including Unionville, Cornell, Markham Village, Thornhill, Cathedraltown, Berczy Village, Greensborough, and more. We've cleaned offices in Uptown Markham towers, Downtown Markham, Riverview condos, and most major Markham commercial buildings. Markham-wide response from Unionville staging. Weekday 6–11 PM slots fill first — book 2–3 weeks ahead to lock a specific Markham day and time. Weekend daytime is almost always available. Standard Markham office cleaning happens 6 PM–11 PM weekdays or Saturday/Sunday daytime. Your crew arrives after your last employee leaves, badges through your Markham building security, and completes the visit before you're back in the morning. Early morning (5 AM–8 AM) is also available for offices that don't want any overlap with business hours. Same flat rate. Our Markham office crews are security-cleared, bonded, and background-checked. They know building protocols at major Markham commercial buildings. Most of our offices have never seen a cleaning crew — they just see the results each morning. Flat monthly — no per-visit surprises. Most Markham offices with 10–30 employees run 2–3× weekly. Fewer than 5 employees often run 1× weekly. Heavy-use offices (shared co-working, open concept with food) usually need 5× weekly. Canonical: https://procleaningpros.ca/blog/office-cleaning-markhamWhat's in a Standard Markham Office Clean
Same Crew, Background-Checked
Markham Coverage + Office Building Experience
After-Hours by Default
Markham Office Pricing
Office Size 1× Weekly 2× Weekly 3× Weekly 5× Weekly Under 1,500 sq ft $349/mo $499/mo $749/mo 1,500–3,000 sq ft $349/mo $599/mo $849/mo 3,000–5,000 sq ft $499/mo $849/mo 5,000+ sq ft Quoted Quoted Quoted Quoted Popular Cleaning Services Across the GTA
Top Cleaning Services
House Cleaning by City