At Glassies Window Cleaning, we provide professional commercial window cleaning services for businesses across Newtownabbey, Mallusk, Glengormley, Greenisland, Carrickfergus, Antrim, Holywood and surrounding areas.
For more than 20 years, our family-run business has supported commercial customers with dependable scheduled cleaning that helps maintain professional standards and create the right first impression.
Today, our commercial portfolio includes work for offices, industrial sites, managed commercial properties and high-profile business locations. Existing commercial customers include facilities at P&O, Port of Larne, Harvey Plumbing Group, businesses throughout Mallusk Industrial Park, and a growing range of organisations and subcontract maintenance clients across Northern Ireland.
Using modern pure-water cleaning systems and professional equipment, we safely clean office buildings, industrial units, retail premises, apartment developments and commercial properties with minimal disruption to day-to-day operations.
Whether you require regular contract cleaning or a one-off service, Glassies delivers dependable support built around quality, consistency and long-term business relationships.

Glassies has built long-term commercial partnerships through reliable service, professional standards and flexible maintenance schedules tailored to each property.

Looking for reliable commercial window cleaners in Newtownabbey?
Speak to Glassies today to arrange a site visit, discuss a maintenance schedule or request a no-obligation quotation.
Find answers to common questions about our commercial window cleaning service, maintenance schedules and areas covered.
We clean offices, industrial units, retail premises, apartment developments, business parks, managed commercial buildings and customer-facing commercial environments.
Yes. We provide scheduled commercial cleaning programmes tailored to each property and operational requirement.
Where possible we work around operational requirements to minimise disruption and maintain normal business activity.
Yes. We operate safely across commercial environments and carry appropriate insurance for commercial projects.
Yes. Glassies Window Cleaning provides professional window cleaning services across Newtownabbey, Greater Belfast, East Antrim and North Down.
Newtownabbey, Monkstown, Greenisland, Glengormley, Whiteabbey, Jordanstown, Mallusk and North Belfast.
Ballyclare, Templepatrick, Antrim, Carrickfergus, Whitehead and Islandmagee.
Holywood, Cultra, Helens Bay, Crawfordsburn, Bangor, Groomsport, Newtownards, Donaghadee and Millisle.
If your area is nearby but not listed, feel free to contact us as we may already operate in your location.
Yes. Alongside commercial window cleaning, Glassies also provides commercial pressure washing for forecourts, external hard surfaces, access areas and car parks, as well as commercial gutter cleaning, gutter maintenance and exterior PVC cleaning. Many businesses combine services into a scheduled maintenance plan to keep their premises clean, professional and well maintained throughout the year.
Glassies Window Cleaning supports a wide range of commercial customers across Northern Ireland, working across multiple industries and property types with scheduled cleaning and exterior maintenance services.
Our existing commercial experience includes cleaning for transport and logistics facilities including P&O and Port of Larne, helping maintain customer-facing and operational environments.
We support industrial and manufacturing businesses including Kilwaughter Lime, Aalco Metals, Lithium Werks, TR Fastenings, Diamond Trucks, Ferraris Piston Services Ltd and additional industrial operators throughout Mallusk Industrial Park.
Our office, business and professional services portfolio includes companies such as Harvey Plumbing Group, Revelation Accountants, Max Recruitment, ATC, Pivotal and other commercial premises requiring regular external maintenance.
Glassies also works with retail, hospitality and community organisations including Creed Coffee, Signs Express, Hullabaloo Day Nursery, Blythswood Care, Excellence Awards, residential apartment developments and managed properties.
Alongside direct commercial customers, we also provide subcontract exterior maintenance support including gutter cleaning, repairs and replacement work for facilities management companies including Combined Facilities Management and Equans.
This broad commercial experience allows us to confidently support offices, industrial units, warehouses, retail sites, apartment developments, customer-facing premises and managed commercial environments of all sizes.