Serving all 26 counties across Ireland & Northern Ireland
Optus Glean cleaning services Northern Ireland

Cleaning Services in Northern Ireland

Cross-border commercial cleaning from our Monaghan head office. Serving Belfast, Derry, Newry, Armagh, Enniskillen, and Omagh. GBP invoicing, competitive cross-border rates.

£6.5M Public Liability
£13M Employer’s Liability
Vetted Staff
24/7 Emergency Response
Safe Pass Certified

Cross-Border Cleaning: Monaghan to Northern Ireland

Optus Glean is headquartered in Glaslough, County Monaghan — directly on the Northern Ireland border. Our registered office at Castle Leslie Estate is closer to Armagh city than most Belfast-based cleaning companies. We have been providing cross-border cleaning services since day one, because for us, Northern Ireland is not a distant market — it is our back garden.

The Common Travel Area (CTA) agreement between Ireland and the United Kingdom means there are no barriers to an Irish-registered company providing services in Northern Ireland. Goods, services, and people move freely across the border. Our teams cross it every working day.

We provide the full range of commercial cleaning, industrial cleaning, healthcare cleaning, and facilities management services across all six counties of Northern Ireland. We invoice in GBP, we carry UK-valid insurance, and we recruit cleaning operatives who live on both sides of the border.

Why Hire an ROI-Based Company for Northern Ireland Cleaning?

This is a question we hear regularly, and the answer comes down to three concrete advantages that businesses in Northern Ireland benefit from.

1. Currency Advantage and Cost Savings

Our operational costs — management, administration, equipment, vehicles, and supplies — are denominated in euros. When we price work in GBP for Northern Ireland clients, the exchange rate works in your favour. In 2026, one pound sterling buys approximately €1.17, meaning our euro-denominated cost base translates into GBP pricing that consistently undercuts NI-only competitors.

This is not a race-to-the-bottom pricing strategy. We deliver the same quality, the same insurance cover, the same documentation, and the same management oversight as any UK-based provider. The currency differential simply means we can do it more cost-effectively. Our NI clients typically save 10–15% compared to Belfast-headquartered cleaning companies for equivalent service specifications.

2. Border Region Expertise

Many businesses in the border corridor — Newry, Armagh, Enniskillen, Dungannon, Omagh, Derry — operate cross-border. They have suppliers in the Republic, customers in Northern Ireland (or vice versa), and staff who commute across the border daily. They need a cleaning partner who understands this reality.

Optus Glean operates across both jurisdictions every single day. We understand the practical realities of cross-border commerce: different employment law, different health and safety legislation (HSA vs HSE NI), different waste regulations, and different insurance requirements. We manage all of this seamlessly so you do not have to think about it.

3. Proximity and Response Times

Geography matters in cleaning. When something goes wrong — a water leak, a biohazard incident, a client complaint — you need your cleaning company on site fast. Our Monaghan head office is:

  • 35 minutes from Armagh city
  • 45 minutes from Newry
  • 50 minutes from Enniskillen
  • 55 minutes from Dungannon
  • 90 minutes from Belfast city centre
  • 2 hours from Derry/Londonderry

For the border corridor — Newry, Armagh, South Down, Fermanagh, South Tyrone — we are closer than any Belfast-based competitor. For contracted clients in Belfast and Derry, we maintain locally based teams who provide the same rapid response as any local provider.

Areas We Cover in Northern Ireland

We provide cleaning services across all six counties of Northern Ireland. Our coverage is strongest in the border corridor, but we service the entire jurisdiction through a combination of Monaghan-based management and locally recruited cleaning teams.

County Armagh

Armagh is our closest NI county, and Armagh city is just 35 minutes from our head office. We serve Armagh city, Portadown, Lurgan, Craigavon, Keady, Markethill, and Tandragee. The Craigavon area has a significant manufacturing and food processing base, including major employers like Almac Group (pharmaceuticals), Moy Park (poultry), and Linden Foods (meat processing). We provide industrial cleaning for food processing plants with HACCP-compliant protocols.

County Down

Newry is Northern Ireland’s principal border city and a major retail and commercial hub. The Quays shopping centre, Buttercrane Centre, and the surrounding retail parks generate significant cleaning demand. We also serve Banbridge, Newcastle, Downpatrick, Ballynahinch, and Warrenpoint. Warrenpoint port handles significant commercial traffic and has associated warehousing and logistics operations.

County Fermanagh

Enniskillen is approximately 50 minutes from Monaghan via the A3/N54. Fermanagh’s economy is heavily tourism-dependent, with Lough Erne, the Marble Arch Caves, and a strong hotel sector including Lough Erne Resort and the Manor House Hotel. We provide hospitality cleaning for hotels, guest houses, and tourism facilities across the county, plus commercial cleaning for the town’s retail and business sectors.

County Tyrone

Omagh, Dungannon, Cookstown, and Strabane are all within our service radius. Dungannon has a particularly strong food processing sector, with Dunbia, Linden Foods, and several poultry operations. Cookstown is home to Cookstown brand meat products. We provide industrial cleaning for these facilities alongside standard commercial cleaning for retail and office premises.

County Derry/Londonderry

Derry city is Northern Ireland’s second city and a growing commercial hub. The city centre, Foyleside Shopping Centre, the university campus, and the expanding technology sector in the Fort George area all require professional cleaning. We also serve Coleraine, Limavady, Magherafelt, and Maghera. For Derry-based contracts, we recruit locally and manage remotely from Monaghan with regular site supervision.

County Antrim (including Belfast)

Belfast is Northern Ireland’s capital and largest city. We service offices, retail premises, healthcare facilities, and industrial sites across Belfast, Lisburn, Newtownabbey, Carrickfergus, Larne, Ballymena, and Antrim town. Belfast’s Titanic Quarter, city centre office district, and the growing tech hub at Ormeau Baths all fall within our service area. For Belfast contracts, we maintain dedicated locally based cleaning teams.

Services Available in Northern Ireland

We provide the full Optus Glean service range across Northern Ireland. Every service is delivered to the same standards, with the same documentation, the same quality management, and the same insurance cover as our Republic of Ireland operations.

Pricing in GBP for Northern Ireland

All Northern Ireland quotations are provided in GBP. The following table provides indicative pricing for our core services in 2026. Actual pricing depends on site size, access, frequency, and specific requirements. We provide fixed-price quotations after a free site survey.

ServicePrice Range (GBP)Basis
Office Cleaning£10 – £13/hrPer operative hour
Industrial Cleaning£16 – £30/hrPer operative hour
Healthcare Cleaning£12 – £17/hrPer operative hour
Hotel & Hospitality£11 – £15/hrPer operative hour
End of Tenancy£160 – £400Per property
Post-Construction£220 – £1,300Per property
Carpet Cleaning£2.20 – £4.50/sqmPer square metre
Pressure Washing£2.50 – £7/sqmPer square metre

All prices are exclusive of VAT. Northern Ireland clients benefit from our euro-denominated cost base, which allows us to price 10–15% below typical NI market rates for equivalent service specifications.

Cross-Border Compliance and Insurance

Operating across the Irish border requires attention to the regulatory differences between the two jurisdictions. Optus Glean manages this seamlessly for all NI clients.

  • Insurance — Our public liability (£6.5M) and employer’s liability (£13M) policies cover work in both ROI and Northern Ireland. Certificates are available on request for NI clients and their facilities managers.
  • Health & Safety — In Northern Ireland, health and safety is governed by HSENI (Health and Safety Executive for Northern Ireland) rather than the HSA (Health and Safety Authority) in the Republic. Our safety management system, risk assessments, and method statements comply with both jurisdictions.
  • Employment Law — NI-based staff are employed under UK employment law. ROI-based staff crossing the border for work retain their Irish employment contracts. We manage both arrangements compliantly.
  • Waste Regulations — Waste management in Northern Ireland is governed by DAERA (Department of Agriculture, Environment and Rural Affairs). Our waste transfer documentation complies with NI requirements.
  • Data Protection — We comply with both the UK GDPR (Northern Ireland) and EU GDPR (Republic of Ireland) for client data management.

Industries We Serve in Northern Ireland

Northern Ireland has a diverse economy with specific cleaning requirements across its major sectors.

  • Food Processing & Agri-Food — Northern Ireland’s agri-food sector is worth over £5 billion annually. Major employers include Moy Park (Craigavon), Dunbia (Dungannon), Linden Foods (Dungannon), Dale Farm (Belfast), and Lakeland Dairies (Fermanagh). We provide HACCP-compliant industrial cleaning for production floors, cold stores, packing areas, and welfare facilities.
  • Manufacturing & Engineering — Bombardier (now Spirit AeroSystems) in Belfast, Caterpillar in Larne, Wrightbus in Ballymena, and Almac Group in Craigavon represent Northern Ireland’s advanced manufacturing capability. We clean factory floors, machine shops, assembly areas, and cleanrooms.
  • Technology & Professional Services — Belfast’s growing tech sector, anchored by companies like Kainos, Allstate NI, and Citi, requires high-specification office cleaning with data-centre access protocols where applicable.
  • Retail — Victoria Square, CastleCourt, and The Boulevard (Banbridge) are among NI’s major retail destinations. We provide daily contract cleaning for shopping centres and individual retail units.
  • Healthcare — Private healthcare facilities, dental practices, GP surgeries, and care homes across NI require compliance-grade cleaning. Our teams are trained in infection prevention and control protocols aligned with RQIA (Regulation and Quality Improvement Authority) standards.
  • Tourism & Hospitality — From the Giant’s Causeway to the Titanic Quarter, Northern Ireland’s tourism sector employs thousands. Hotels from the Merchant Hotel in Belfast to Lough Erne Resort in Fermanagh need professional housekeeping, public area cleaning, and laundry services.
  • Education — Queen’s University Belfast, Ulster University (multiple campuses), and hundreds of primary and secondary schools require term-time cleaning and holiday deep cleans.

Belfast: Our Northern Ireland Hub

Belfast is Northern Ireland’s economic engine. The city has undergone massive regeneration over the past two decades, with the Titanic Quarter, the Cathedral Quarter, and the waterfront transforming the cityscape. The office market, retail sector, and hospitality industry all generate significant cleaning demand.

We maintain dedicated Belfast-based cleaning teams for contracted clients. This means your daily cleaning is delivered by operatives who live in the Belfast area, while site management and quality audits are conducted by our Monaghan-based management team, providing both local presence and senior oversight.

Key Belfast areas we serve include: city centre, Titanic Quarter, Laganside, Lisburn Road, Boucher Road business park, Harbour Estate, and the university district around Queen’s.

Derry/Londonderry: The North-West

Derry is Northern Ireland’s second city and the commercial hub of the north-west. The city serves a catchment area that extends into Donegal, Tyrone, and north Derry. Major employers include the Foyle campus of Ulster University, Seagate Technology, DuPont, and a growing digital and creative sector.

Our north-west coverage extends from Derry through Strabane, Limavady, and Coleraine. For Donegal-based clients who also have NI premises, we offer seamless cross-border service under a single contract.

Newry: The Gateway City

Newry sits at the southern tip of Northern Ireland, straddling the border with County Louth. It is one of NI’s fastest-growing cities, driven by cross-border retail (The Quays, Buttercrane), logistics (proximity to the Dublin–Belfast corridor), and a strong SME sector. Newry is just 45 minutes from our Monaghan head office, making it one of our strongest service areas in NI.

We serve Newry city centre, Damolly Retail Park, Greenbank Industrial Estate, and the wider Newry, Mourne and Down district including Warrenpoint, Kilkeel, and Newcastle.

The Border Corridor: Our Strongest Coverage

The border corridor — the strip of Northern Ireland from Newry through South Armagh, Monaghan border crossings, Fermanagh, and into South Tyrone — is where our cross-border advantage is most pronounced. Businesses in this corridor often operate on both sides of the border, and they need a cleaning partner who does the same.

Towns in the border corridor we serve: Newry, Warrenpoint, Crossmaglen, Keady, Armagh, Markethill, Dungannon, Cookstown, Augher, Clogher, Fivemiletown, Enniskillen, Lisnaskea, and Belcoo. For all of these, our response time from Monaghan is under 60 minutes.

What Northern Ireland Clients Say About Us

“We looked at three Belfast companies and two from Newry. Optus Glean came in 12% cheaper, and the quality has been consistently excellent. Being based in Monaghan actually works in our favour — the management team is hands-on and visits our site every fortnight.”

— Facilities Manager, Manufacturing, Dungannon

“We have premises in Dundalk and Newry. Optus Glean handles both under one contract, one invoice, one account manager. No other company offered that kind of cross-border simplicity.”

— Operations Director, Logistics, Newry/Dundalk

“The GBP pricing is genuinely competitive. The fact that they operate from the Republic gives them a cost advantage that they pass on. We renewed for a second year without hesitation.”

— Hotel General Manager, Enniskillen

Neighbouring County Pages

Frequently Asked Questions About Cleaning in Northern Ireland

Can an ROI-based cleaning company work in Northern Ireland?

Yes. Under the Common Travel Area agreement between Ireland and the UK, Irish-registered companies can operate freely in Northern Ireland. Optus Glean is headquartered in Glaslough, Co. Monaghan, directly on the Northern Ireland border, and we regularly service clients across all six counties. We hold UK-equivalent insurance cover and our staff carry valid identification for cross-border travel.

Do you charge in GBP or EUR for Northern Ireland work?

We invoice Northern Ireland clients in GBP (pound sterling) at competitive cross-border rates. Because our operational base is in the Republic of Ireland, our cost base benefits from the euro, which we pass on as savings to NI clients. All quotations are provided in GBP with fixed pricing for the duration of the contract.

How quickly can you respond to sites in Belfast or Derry?

Belfast is approximately 90 minutes from our Monaghan head office via the A3/M1. Derry is approximately 2 hours via the N2/A5. For contracted clients, we maintain dedicated NI-based cleaning teams who live in Northern Ireland, ensuring same-day response for emergency callouts and daily service consistency.

What areas of Northern Ireland do you cover?

We cover all six counties: Antrim (including Belfast), Derry/Londonderry, Tyrone, Armagh, Down, and Fermanagh. Our strongest coverage is in the border corridor from Newry through Armagh to Enniskillen, but we service Belfast and Derry regularly with locally based teams.

What insurance do you carry for Northern Ireland work?

We carry £6.5 million public liability insurance and £13 million employer’s liability insurance. Our policies are valid for work in both the Republic of Ireland and Northern Ireland. Certificates are available on request.

Why hire a Monaghan-based cleaner for Northern Ireland premises?

Monaghan sits directly on the Northern Ireland border. Our head office is closer to Armagh, Enniskillen, and Newry than most Belfast-based competitors. We understand cross-border commerce, we have teams on both sides of the border, and our euro cost base means we offer highly competitive GBP pricing. For border-corridor businesses, we are the local option.

Get a Free Cleaning Quote for Northern Ireland

Cross-border cleaning from Monaghan. Competitive GBP pricing, full insurance cover, and locally based teams across all six counties. Book a free site survey today.

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Cross-Border Service

Cleaning Services Across Northern Ireland

From our Monaghan head office to all six counties. Competitive GBP pricing, full insurance cover, and locally based teams.

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26 Village Square, Castle Leslie Estate,
Glaslough, Co. Monaghan, H18 XP59