39 Dover Street

London W1S 4NN


Mon-Fri 8.00-18.00

Weekend CLOSED


Call us

020 7205 2414

London’s Ultimate Cleaning Specialists



This is why we are better than the competition


  • 100% Flat-rate Price Model

  • Well-educated Cleaning Team

  • Guaranteed Follow up Within 24 hrs.

  • Serve the Strongest Brands in London U.K

  • No Setup Fee. Zero Hidden Fees. Free Consultation


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We get our hands dirty so you don’t have to

We are 100% dedicated to providing the best results for our clients.

Passionate about cleaning, we are the most reliable and thorough cleaning specialists serving Greater London.

We offer complete solutions for a wide range of corporate and specialist needs.

And, just like London, we operate 24 hours a day so get in touch now to find out more.

We are Quadrant A1

Complete Commercial Cleaning Services

  • Office Contract Cleaning, One-off & Deep Cleans
  • Retail after-hours
  • Factories
  • Office blocks
  • Gymnasiums
  • Windows & carpets

Professional Medical Facility Cleaning Services

  • Clinics & Hospitals
  • Surgical & Non-surgical
  • Hallways & Waiting Rooms
  • Surgical Theatres & Treatment Rooms
  • Patient Rooms
  • Contaminated Areas

Pre- & Post-Builders Cleaning Services

  • Corporate Construction
  • Domestic Builds
  • Site clearance
  • Final cleans
  • Pre-Contract
  • Post-Contract

Why Quadrant A1 Cleaning Services?

That’s simple; we listen, understand, and deliver 24 hours a day, 7 days a week.

We take the time to get to know you and your specific needs and then draw on our expert cleaning & maintenance knowledge to provide you with a range of options designed with success in mind.

We have carefully selected environmentally friendly products, and utilise the latest cleaning technology combined with good old-fashioned elbow grease to tackle even the toughest jobs.

Not afraid of hard work, we firmly believe that there is nothing better than just getting stuck in and getting the job done.

Adam Vickers

Founder & Managing Director, Quadrant A1 Cleaning Services

Our Blog

Does a clean office improve productivity?

The average person spends more time at work than at home. Here is why you should keep the office environment clean at all time. Most people spend a lot of time in their busy schedules every week to clean and tidy their home, to ensure it is always kept in a great...

We are supporting World Mental Health Day

World Mental Health Day is observed on 10 October every year, with the overall objective of raising awareness of mental health issues around the world and mobilizing efforts in support of mental health. The Day provides an opportunity for all stakeholders working on...

Full building cleaning project

We are happy and proud to have delivered a full building cleaning + windows cleaning for the Plumcroft Primary School. It was 1.5 months of hashtag#TEAMWORK, working together for hashtag#success. Congratulation to the entire...

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