Welcome to
ZI Services

Zi Services is a specialist contract cleaning company serving commercial enterprises in Mitcham, Croydon, Wimbledon, and across South London and South East London. We have provided domestic clients, businesses and schools with peerless contract cleaning services since 1998. Our high-quality work and professionalism have enabled us to develop a reputation for excellence in a competitive contract cleaning industry.


The Zi Services team hold a wealth of knowledge and expertise in all aspects of school and office cleaning. If you would like more information on how your business can benefit from our accredited cleaning services, we will be happy to assist you.


“Your satisfaction is our satisfaction.”

Attention to detail

Our attention to detail is at a level that you do not often receive from other large contract cleaning companies. If required, we are able to arrange monthly meetings with our clients to ensure the standards required are being maintained.

Flexible & Comprehensive

Our contract cleaning services are tailor-made to your exact requirements giving you flexibility and the frequency to suit your business, leaving you with comprehensive cleaning cover.

Regular visits to premises

You will receive regular visits to your premises from our commercial cleaning management team, who will monitor contracts closely and liaise with your nominated person.

Competitive Pricing

Value for money is achieved through our continuous review of the techniques we provide together with productivity.

a free quote

Our Accreditations

CHAS accredited contractor
British Institute of Cleaning Science corporate member

Industries we serve

Schools & Colleges

We clean all educational establishments

Bars & Restaurants

We clean various catering establishments

Offices & Commercial

We clean all types of offices

Building Site cleans

We clean up after new builds and renovations

Factories & warehouses

We carry out regular cleans at factories and warehouses

Retail units

We clean shops of all sizes

What clients say

Our Testimonials

West Wimbledon Primary school have been using Zi Services since 2011. They provide a reliable, good quality service and the management are always available to deal with any issues first hand and swiftly. The quality of cleaning is good with window cleaning an optional extra ensuring a complete service.

– West Wimbledon Primary School

We started using Zi services for the academic year 2015-2016. Moving over to them was a very easy and transparent process.

The managing director is very approachable and has been extremely helpful throughout the year.

The cleaners have done a fantastic job and the school is clean and fresh every day. This has had a positive impact on staff, pupils and visitors.

We are pleased that we made the decision to use Zi Services.

– The Sherwood School, Mitcham – Head Teacher

We have worked with Zi Services for over 10 years and have always been pleased with the overall service provided. In particular, we welcome the collaborative partnership approach adopted by the company director and the desire to offer a good service and to meet our needs.

– Poplar Primary School, Merton-Head Teacher

We receive an excellent service from Zi Services. The quality is high, we have staff employed by you who act responsibly and professionally, and my Site Manager is able to work effectively with your team. You have assisted us when issues, such as special occasions, have arisen, and I have been able to address any specific points with you quickly.

– Gareth Balch, Archbishop Tenison’s C of E High School, Croydon – School Business & Developement Manager

We have been using Zi Cleaning Services since October last year, and have been very impressed with their high standard and quality of service. Their approach and staff professionalism is first class, with requests dealt with promptly and efficiently, allowing us to focus on our jobs. We would have no hesitation in recommending Zi Cleaning Services.

– Bramley Health – Care Home Manager

Broadcast Warehouse Limited have been using Zi Services since June 2013. They provide a good quality service and the staff are very approachable and always friendly and helpful.

– Broadcast Warehouse Ltd, Croydon,

Additional Services

Fogging sanitisation and decontamination service

Due to the Coronavirus Pandemic ZI Services has invested in a fogging machine to enable us to sanitise and thoroughly decontaminate premises across South London. The fogging process enables us to reach areas that would otherwise be inaccessible. The cleaning solution used is certified by the manufacturers to kill a range of viruses, the specialised primary biocide is highly effective against enveloped viruses including:

  • Hepatitis B
  • Herpes simplex
  • Rota Virus
  • Bovine
  • Corona Virus/SARS-CoV
  • H1N1Avian influenza
Fogging machine
Window cleaning South London

Window cleaning

Water-fed pole window cleaning is the modern, environmentally-friendly solution for cleaning windows up to five storeys high, without the need for the operative to leave the ground. Safe, efficient and cost-effective, it is the preferred method for many different kinds of premises. Using purified water leaves a brilliant, streak-free finish.

Carpet cleaning South London

Carpet cleaning and upholstery

By using some of the best products on the market, we can clean and remove stains from your carpets and upholstery. Regular cleaning and protection should prolong the life of your carpets and furniture. We also provide stain protection products and anti-static treatments.

Secure commercial cleaning South London

Secure commercial cleaning

Our secure commercial cleaning services are suited to SMEs including accountants, and financial institutions, as well as the public service sector such as museums and galleries.
We can offer flexible options secure commercial cleaning contracts which can be tailored to suit your requirements and budget.

Computer cleaning South London

Computer Keyboard Cleaning and Sanitising

We can provide external cleaning to all computer casings, screens and keyboards. We can also sanitise all exterior telephone bases and handsets for hygiene purposes.

Deep cleans South London

Deep cleaning

If you are considering freshening up your premises, we can provide deep cleaning services which incorporate the kitchen and toilets. This service can be provided out of hours which will not interfere with the daily running of your business.

Janitorial supplies South London

Janitorial Cleaning Supplies

We can repair, maintain and, if necessary, replace all cleaning equipment to maintain a high standard. We can also supply consumables as required.




Emergency calls only

0800 0730103

Questions or need a free quote?