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Expert Cleaning Services for Commercial & Industrial Clients
The Diverse Cleaning has built a reputation for delivering specialist industrial and commercial cleaning services across the UK. With over 60 years of combined experience, our senior management team ensures consistent performance to Health & Safety benchmarks while prioritising environmental responsibility. We serve clients in Portsmouth, London, and nationwide, offering solutions for ventilation systems, kitchen deep cleaning, and compliance with legislation. Our approach includes raising client awareness of their responsibilities, not just meeting our own. Trusted by prestigious clients, we provide one-call solutions for daily to annual cleaning needs, from one-off projects to contracted works.

Our commitment to quality is evidenced by detailed compliance documentation, including before-and-after photography and hygiene validation certificates. We operate with transparency, offering survey, work, and reporting services end-to-end. Our team's responsiveness and extensive catering industry experience bring expertise to kitchen deep-cleans. We maintain strong relationships with clients, some spanning over 17 years, through reliable service delivery and adherence to industry standards like B&ES TR/19. Our work supports insurance compliance and legislative requirements, ensuring minimal disruption to client operations.
Services
Ventilation System Deep Cleaning Kitchen Extract Systems Kitchen Deep Cleaning High Level Deep Cleaning Gutter Cleaning Pressure Wash & Floor Clean
Highlights and features
  • We respond to all enquiries within 24 hours
  • Our hands-on management approach ensures quality control
  • We provide comprehensive compliance documentation
  • Our team has extensive catering industry experience
  • We maintain 17+ year relationships with key clients
Associations and certifications
  • B&ES TR/19
What people say
Extremely professional Reliable and supportive Speedy solutions First-class documentation Highly recommend
Services
Ventilation System Deep Cleaning
Our ventilation system deep cleaning service addresses greasy kitchen extract systems and general office extraction. We comply with B&ES TR/19 standards, providing condition surveys, digital evidence, and hygiene validation certificates. This service maintains insurance compliance and reduces health risks while ensuring legislative adherence through comprehensive audits and cleaning programmes.
Kitchen Extract Systems
Specialist cleaning for kitchen extract ventilation systems eliminates fire hazards from grease accumulation. We follow Fire Regulatory Reform Act 2005 requirements with regular cleaning programmes. Our service includes pre-works surveys, transparent quotations, and detailed post-works reports with photographic evidence to meet B&ES TR/19 compliance standards.
High Level Deep Cleaning
We perform high level deep cleaning for buildings of all types using powered access or rope access techniques. Our SkyVac system reaches 45ft while IRATA-certified operatives handle heights above this. This service includes pressure washing and vacuum cleaning of support structures, ensuring safe and efficient cleaning for factories, office blocks, and stadia.
Gutter Cleaning
Our gutter cleaning service prevents water damage using SkyVac systems for heights up to 45ft and MEWP equipment beyond. We document before-and-after conditions digitally and provide remedial recommendations. This service maintains property integrity by removing debris including leaves, moss, and unexpected items that cause drainage issues.
Pressure Washing
We offer pressure washing and floor deep cleaning for commercial and industrial premises. Our rotary pressure washing system with integral vacuum cleans surfaces from power stations to playgrounds. This service restores surfaces to near-new condition while minimising mess, handling both internal and external cleaning requirements with specialist equipment.
Questions
What specialist cleaning services do you offer?
We provide ventilation system deep cleaning, kitchen extract system maintenance, high level cleaning, gutter cleaning, and pressure washing services for commercial and industrial clients.
How do you ensure compliance with industry standards?
We follow B&ES TR/19 standards for ventilation cleaning and Fire Regulatory Reform Act 2005 requirements. Our services include condition surveys, compliance documentation, and photographic evidence to meet legislative requirements.
Do you provide documentation after completing work?
Yes, we supply comprehensive compliance documentation including digital images before and after works, hygiene validation certificates, and detailed reports with system diagrams showing cleaned areas.
What areas do you serve?
We operate nationwide across the UK, with particular focus on Portsmouth, London, and surrounding regions, serving clients from iconic locations like The Gherkin and St Pancras station.
How quickly can you respond to cleaning requests?
We respond to all enquiries within 24 hours and maintain a responsive service for both scheduled and urgent cleaning requirements, with some clients noting our 'speedy solutions' in testimonials.
What makes your cleaning services different from competitors?
Our 60+ years combined experience, hands-on management approach, and commitment to detailed documentation set us apart. We offer one-call solutions with minimal disruption to client operations.