ISO Certified Window Cleaning: Why It Matters for Your Business
When you hire a window cleaning company, the difference between a “bucket and ladder” service and a professional, ISO-certified provider can be huge. For businesses, estates, and high-rise properties, choosing an accredited contractor isn’t just about clean glass — it’s about compliance, safety, and protecting your investment.
At CCWC Services, a family-run company established in 1988, we hold ISO 9001, ISO 14001, and ISO 45001 certifications. That means our commercial window cleaning isn’t just efficient — it’s backed by internationally recognised standards of quality, environmental responsibility, and occupational safety.
What Does ISO Certification Mean in Window Cleaning?
ISO 9001 – Quality Management
Every project follows documented processes, audits, and reviews. This ensures consistent results, whether we’re cleaning a glass-fronted office block, a listed building, or a hospital complex.ISO 14001 – Environmental Management
We minimise waste, control water usage, and use eco-friendly cleaning methods. Our approach protects the environment and supports clients with sustainability targets.ISO 45001 – Health & Safety
Window cleaning at height carries risk. ISO 45001 confirms that our safety systems, training, and equipment maintenance meet the highest standards, keeping both our team and your site safe.
Why Clients Choose ISO Certified Contractors
Risk Reduction – Accredited safety systems protect your organisation from liability.
Reputation Protection – A clean, well-maintained building projects professionalism to staff, tenants, and visitors.
Efficiency – Streamlined processes reduce downtime on site.
Compliance Confidence – Councils, schools, hospitals, and asset managers know they’re working with a proven contractor.
CCWC Services: Award-Winning Expertise
We’re proud to have been recognised with multiple national awards, including:
UK Enterprise Award 2025 – Best Building Maintenance & Cleaning Service
E2 Media Award for Excellence 2025
Building Restoration Services of the Year 2025
Global Recognition Awards 2024 – Customer Service & Innovation, Sustainability & Community Engagement
This sits alongside our ISO accreditations and our Stonehealth Rosette for DOFF steam cleaning — further proof that quality, accountability, and reliability are at the heart of everything we do.
Who We Work With
We don’t clean domestic houses. Our focus is on commercial and industrial properties, including:
High-rise offices
Schools and universities
Hospitals and NHS sites
Shopping centres and retail parks
Heritage and listed buildings
Conclusion
ISO certified window cleaning isn’t just about appearances — it’s about doing things properly, safely, and sustainably. When you work with CCWC Services, you get more than a cleaning company. You get a partner trusted by councils, estate managers, and commercial landlords for over 35 years.


