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Passionate. Committed. Experienced.
20 years of providing the very best office and commercial cleaning service it’s possible to provide, from our home in Watford, providing commercial cleaning of all types in Hertfordshire, London and well beyond.
A Team Callver cleaning story…

Whether you need a daily visit to perfectly clean your office, to attend to the cleaning needs within the communal areas of your apartment building. A better way to provide your commercial space with sanitary service and washroom hygiene. Proper post-build cleaning and sparkles… A specialist show-home ‘sparkle’ clean presenting new-build homes beautifully, to advice with detailed cleaning measures on the eradication of viruses. A Watford Cleaning Company, a much wider reach. The Callver Cleaning Co - A 20-year commitment to being the very best cleaning company.

Why choose us, The Callver Cleaning Co…?
  • Team Callver is dedicated, motivated, supported and properly paid: To provide you the best cleaning service you can imagine. Cleaners trained, uniformed, pumped to be the greatest professional cleaners that can be. We searched for them harder than anyone else, further than anyone else, better than anyone else. Read about our commitment to Team Callver.
  • It’s bespoke. It’s cleaning tailored to you… It’s always about you: What do you need, what do you want, how can we help…? Why should it not be a cleaning service based on what you ask for. You’re the boss. We’ll make it a cleaning service just for you. Cleaners chosen just for you. Can’t choose, cleaning blog here to help you.
  • Better Communication. We’re here, always, all the time: One of the most frustrating things new cleaning customers tell us about their previous company. Where are they? Never see them. Team Callver supports all cleaners, all cleaning customers. We have fleets in Watford and beyond all day, every day. The Callver Cleaning Co is here for you.
  • Insurance, compliance, accreditation: SMAS certificated. Independently audited for commercial cleaning. Rigorous checks of our cleaners’ practices, our cleaning methods and our commitment to cleaning health and safety. A higher level of cleaning insurance cover. It’s £5m. Because we serve bigger, we insure better. You can see these here callver.com/stuff.
  • A fleet of vehicles, you’d have seen them: Liveried, proudly as Team Callver, fully stocked with the very best cleaning equipment, with all our team of cleaners fully COSHH trained on their safe use. A The Callver Cleaning Co van a Watford staple.
  • Sustainability with the future in mind: Better cleaning products, effectively trained cleaners. A daily plan to make all cleaning as efficient and environmentally friendly as can be. A more sustainable way to operate a cleaning company in Watford. ‘Environment, we got you!’

Let’s CLEAN!

Thank you, in particular the effort made by Callver to understand the Centre’s requirements, and the flexibility offered to accommodate its many variable needs is much appreciated.

Abbots Langley Community Centre

I have rarely been anywhere so spotlessly clean (plaudits to those keeping the place immaculate).

TripAdvisor, The Bentley Priory Museum

Our Cleaning Blog

2025-08-08

When it comes to selling new build properties, first impressions MATTER and can make or break a deal... #newbuilds #whyitmatters... #CLEANING

2025-08-01

The Callver Cleaning Co - London's Office Cleaners Raising the Bar on Office & Commercial Cleaning Excellence. And we're right in the heart of it...

The Callver Cleaning Co are trusted by...
BBC Streathers Europcar Cala Housing Barton Petroleum Wren

We’re passionate about providing the very best quality cleaning services to offices in Watford (our home town), all across Hertfordshire, Bedfordshire, Buckinghamshire and throughout Central London.

  • Our FULLY trained, uniformed, and insured team of professional cleaners will provide a bespoke cleaning service, to include all tasks you asked of us, leaving you with a far superior clean, improved hygiene controls and better working environment for all your staff.
  • We are SMAS accredited, meaning you can trust us to provide rigorous standards of health and safety.
  • During the day, or out of hours - whenever suits! Our teams of professional cleaners will be flexible around your needs, providing daily or weekly services, or whichever days suit you best.
Office Cleaning Services

Passionate about providing the very best quality cleaning services to common areas of apartment buildings and residential developments ranging across Greater London, Essex, and Hertfordshire, including Watford, Stanmore, and Rickmansworth.

  • We recognise that all clients are different – that’s why we tailor our cleaning services around your individual needs. We’ll visit your building and personally assess your requirements, only then providing a quotation.
  • Services include thorough maintenance of all bin stores, car parks (including minor gardening requirements), and entrances by our fully trained, uniformed, and insured cleaning staff.
  • We are SafeContractor accredited, meaning you can trust us to provide rigorous standards of health and safety at all times.
Communal Cleaning

Passionate about providing the very best quality commercial cleaning services ranging across Greater London, Essex, and Hertfordshire, including Watford, Stanmore, and Rickmansworth.

  • Since our services are individually tailored to your needs, our approach will ensure that your personal cleaning requirements are catered to at no extra cost, regardless of the size or type of your company.
  • Our fully trained, uniformed, and insured cleaning staff provide a range of cleaning services to a variety of companies, including leisure centres and gyms, as well as schools, museums and vehicle showrooms to name a few!
  • We are SafeContractor accredited, meaning you can trust us to provide rigorous standards of health and safety at all times.
  • During the day, or out of hours – whenever suits! Our team will be flexible around your needs, providing daily or weekly services as required.
Commercial Cleaning Services

Passionate about providing the very best quality Build and Sparkle cleaning services to house-builders and developers across Greater London, Essex, Kent, and Hertfordshire, including Watford, Stanmore, and Rickmansworth.

  • We provide both Build and Sparkle cleaning services, dependent on your individual needs. Fourteen years of working with large and small builders alike means we understand the importance of a personally tailored cleaning experience.
  • Our fully trained, uniformed, and insured cleaning staff individually assess your requirements and provide a bespoke service as standard.
  • You can trust us to provide rigorous standards of health and safety at all times; we are fully HSE and PPE compliant, SafeContractor accredited, and CSCS tested, as well as providing Comprehensive Risk Assessments and Method Statements and COSHH reports.
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