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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.

We’re extremely proud to provide professional cleaning to The Bentley Priory Museum in Stanmore, a World War II museum commemorating the Battle of Britain. Additionally, we help the NRG Gym chain with their daily cleaning requirements in both Kent and Hertfordshire, along with the private leisure centre in the Cassio Metro development in Watford, and the famous Serpentine Swimming Club in London’s Hyde Park.

Our commercial cleaning services cover a wide variety of premises, including pubs, restaurants, shops and factories – please feel free to get in touch to discuss anything you need.

Our Commercial Cleaning Services

Here’s what you can expect from us...

  • The ability to cover absence at short notice.
  • Cover over main holiday periods, including Easter, Christmas and the New Year.
  • We provide all chemicals and equipment for all cleaning tasks, including cloths, vacuums, sanitisers, freshners and de-scalers.
  • A comprehensive list of customers who are delighted with our service.
  • Over 14 years of experience providing bespoke cleaning services to Watford businesses.
  • Personalised service, designed just for you.
  • Additional, periodic deep cleaning services, including carpet cleaning and external, high level window cleaning.

Prices for commercial cleaning services are very personal, and are prepared following a brief visit to discuss your requirements. Prices will be sent to you the very same day, without any obligation.

Callver is committed to providing the best, most trusted cleaning service possible, using the very best staff around, with the best materials available at a reasonable and fair price... It’s as simple as that.

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Commercial Cleaning Blog


As the number of confirmed cases of Covid-19 rise rapidly in the UK, we want to reassure you that we’re here to help keep you safe...


As we take our efforts to create safe environments for people to live, work & exercise to the next level. Fully certified service.