Commercial Cleaning Services Belfast
Reliable, Professional Cleaning for Offices, Shops & Commercial Spaces Across Northern Ireland
Commercial Cleaning by DPMNI
A clean workplace is a productive workplace. At Diamond Property Maintenance (DPMNI), we offer dependable and flexible commercial cleaning services in Belfast and throughout Northern Ireland. Whether you manage a busy office, a high-traffic retail unit, or a multi-use business premises, our trained cleaners keep your environment spotless, professional, and safe — day in, day out.
We work around your hours, your staff, and your clients to deliver cleaning that’s consistent, discreet, and tailored to your operation.
Trusted by Homeowners, Landlords & Businesses
Why Choose DPMNI for Commercial Cleaning?
✔ Experienced with offices, retail, schools, salons & more
✔ Vetted, uniformed, and fully insured commercial cleaners
✔ Custom cleaning plans — daily, weekly, fortnightly, or one-off
✔ Flexible out-of-hours scheduling
✔ Transparent quotes, no hidden fees
✔ Local Belfast-based team serving all of Northern Ireland
We keep your workspace looking its best so you can focus on running your business.
Commercial Cleaning Services We Provide
We offer tailored cleaning for businesses of all sizes and sectors:
We also offer spring cleans, move-in/move-out cleans, and post-illness or hygiene-specific cleaning services.
Benefits of Professional Commercial Cleaning
Outsourcing cleaning to a reliable local team lets you focus on growing your business — without worrying about the bins or breakroom.
Frequently Asked Questions
Yes — we offer early morning, evening, and weekend cleaning to avoid disruption to your business.
We aim to provide a consistent team for routine cleans so you get familiar faces and consistent standards.
Yes — we bring all necessary cleaning materials and equipment, including eco-friendly options on request.
Absolutely. We are fully insured and follow COSHH, risk assessments, and site-specific health and safety protocols.
Yes — we offer deep cleans and builders’ cleans for shops, salons, and new business openings.
Six Reasons For People Choosing Us
Experienced Team
Our time-served tradesmen are PASMA and IPAF-trained professionals, ensuring safe and efficient service.
Comprehensive Insurance
We carry £10 million public liability insurance and specialized SSR insurance for your peace of mind.
Eco-Friendly Cleaning
We use child-safe, animal-safe, and plant-safe cleaning solutions to protect your environment.
Proven Track Record
With over 1,400 satisfied customers, we’re trusted by homeowners and businesses alike.
Tailored Solutions
Every job is unique, which is why we provide a free consultation and custom plans based on your needs.
Local Expertise
We understand the unique challenges in North Down and Antrim, tailoring our services to meet the specific needs of your area.
Ready to refresh and restore your property's interior?
Book Your Commercial Cleaning Quote Today
From boutique shops to busy offices, DPMNI keeps Northern Ireland’s commercial spaces clean, safe, and welcoming — day after day.
Other Internal Cleaning Services We Offer
We deliver thorough, flexible, and hygiene-focused cleaning solutions for residential, commercial, and specialist environments across Northern Ireland
DomesticCleaners
Trusted, thorough home cleaning tailored to your property and lifestyle. Ideal for families, working professionals, and elderly clients.
CommercialCleaners
Reliable, discreet cleaning for retail stores, showrooms, and business premises — keeping work environments clean and professional.
BuildersCleans
Fast and detailed post-construction cleans for building firms, renovators, landlords, and property developers. We remove dust, paint splashes, and debris so your space is move-in ready.
DeepCleans
Intensive, top-to-bottom cleans ideal for spring refreshes, hygiene resets, or properties that need extra attention.
OfficeCleaners
Keep your workplace fresh, productive, and sanitised with regular office cleaning — including desks, kitchens, toilets, and high-touch surfaces.
Hard FloorCleans
We clean, restore and maintain all types of hard flooring — from vinyl and tile to stone and wood. Removes grime, restores shine, and improves safety.
End of Tenancy Cleans
Moving out or managing rentals? Our end-of-tenancy cleans ensure your property is spotless and deposit-ready.
Daycare FacilitiesDeep Clean
Sanitised, child-safe cleaning tailored to nurseries, playgroups, and care facilities. Discreet and DBS-checked staff available.
CarpetCleaning
Deep-cleaning for carpets and rugs to remove stains, allergens, and odours. Restores softness and freshness to every room.