Business Details
50 Years
experience
Professional Window & Gutter Cleaning Services in Bristol
Established in 1976, CIS Windows is a family-run business built on the principles of professional service and a personal touch. With over 46 years of experience, our directors Steve Alger and Tom Alger have developed a reputation for reliability and excellence in commercial window cleaning, gutter maintenance, and high-level cleaning solutions. Our team of fully trained, DBS-vetted operatives holds IPAF licences for powered access equipment, ensuring compliance with rigorous health and safety standards. We invest in cutting-edge technology, including the Multitel MX250 Truck Mounted Boom, to deliver efficient services across the UK. Accredited by Safe Contractor, IPAF, and IOSH, we serve diverse sectors including aviation, healthcare, education, and facilities management.Our commitment to quality is reflected in our long-standing partnerships with clients such as Edinburgh Airport and LaddersFree. We prioritise transparency, offering detailed risk assessments and method statements for every project. With a fleet of lightweight, high-reach equipment, we tackle challenging access requirements while maintaining minimal disruption to public spaces. Our staff undergo continuous training in working-at-height safety, first aid, and customer service, ensuring a polished, professional appearance and performance. As a trusted partner for over 100 combined years of industry expertise, we deliver tailored solutions that meet the evolving needs of commercial clients nationwide.
Services
Commercial Window Cleaning
Gutter Cleaning
Cladding Cleaning
Solar Panel Cleaning
Abseil Window Cleaning
Details
- Year established: 1976
Highlights and features
- Family-run expertise since 1976 with IPAF-accredited equipment
- Over 100 combined years of window cleaning industry experience
- DBS-vetted operatives with working-at-heights certifications
- Lightweight 3.5-tonne Multitel MX250 for sensitive access areas
- Nationwide service with sector-specific risk assessments
Associations and certifications
- Safe Contractor
- IPAF
- IOSH
Services
Commercial Window Cleaning
Specialist cleaning for commercial properties using water-fed poles, powered access equipment, and abseiling techniques. Our IPAF-certified operatives ensure safe, efficient cleaning of high-rise buildings, airports, and healthcare facilities. Services include internal/external window cleaning, beam dusting, and security-screen maintenance.
Gutter and Fascia Cleaning
Professional gutter clearance and fascia wash-downs using extended poles and powered access equipment. We remove blockages, moss, and debris from commercial properties, ensuring proper drainage to prevent water damage. Includes hot-water pressure washing of adjoining cladding and fascias.
Solar Panel Cleaning
Tailored cleaning for photovoltaic and solar panels using soft-bristle brushes and deionised water systems. Our lightweight Multitel MX250 truck accesses hard-to-reach installations while preserving panel integrity. Annual maintenance recommended to maintain optimal energy efficiency.
Abseil Window Cleaning
High-level window cleaning for complex structures using industrial rope access techniques. Certified abseilers perform safe, minimally invasive cleaning of skyscrapers, atriums, and heritage buildings without requiring scaffolding or heavy machinery.
Cladding Wash Down
Comprehensive cleaning of commercial cladding systems using hot-water pressure washing and environmentally friendly detergents. Removes pollutants, algae, and grime from aluminium, glass, and composite facades while maintaining material integrity.
People
Steve Alger
Director
With 40 years of industry experience, Steve founded CIS Windows on principles of professional service and personal touch. He oversees strategic development and maintains client relationships, ensuring competitive pricing without compromising quality standards.
Tom Alger
Director
Tom has driven operational growth for 22 years, focusing on staff training, uniform presentation, and health & safety compliance. He manages client liaison and service delivery standards across CIS Windows' expanding national portfolio.
Darren Roberts
Operations Manager
Appointed in 2023, Darren brings extensive management experience to oversee daily operations. He ensures consistent service quality across contracts, coordinates team supervisors, and implements process improvements for client satisfaction.
Questions
What commercial window cleaning services do you offer?
We provide internal/external window cleaning for commercial properties using water-fed poles, powered access equipment, and abseiling techniques. Services include high-rise buildings, airports, and healthcare facilities.
Are your staff certified for working at heights?
All operatives hold IPAF licences for powered access equipment and have completed working-at-heights training. We provide risk assessments and method statements for every project.
Do you clean solar panels and photovoltaic systems?
Yes, we offer specialist solar panel cleaning using soft-bristle brushes and deionised water systems. Our lightweight Multitel MX250 truck accesses installations for optimal energy efficiency maintenance.
What areas do you cover?
We operate throughout Bristol, Gloucester, Bath, South Wales (Chepstow to Swansea), Devon, and Cornwall. Our nationwide service handles multi-site contracts across the UK.
How do you handle gutter and cladding maintenance?
We use extended poles and powered access equipment for gutter clearance, plus hot-water pressure washing for cladding and fascias. Services include blockage removal and annual maintenance programmes.
What accreditations do you hold?
We are accredited by Safe Contractor, IPAF, and IOSH. All staff undergo DBS checks, first aid training, and working-at-heights safety certification to meet industry standards.
