Top 10 Commercial Cleaning Companies in London

Last Updated: June 2026

Maintaining a clean, safe, and professional workplace is no longer just about appearances. In London’s highly competitive business environment, commercial cleaning plays a direct role in employee wellbeing, customer perception, regulatory compliance, and operational efficiency.

Whether you manage a corporate headquarters in Canary Wharf, a retail store in Westminster, a medical clinic in Southwark, or a co-working space in Shoreditch, choosing the right commercial cleaning company can significantly impact your business.

The challenge is that London is home to hundreds of cleaning providers, all claiming to offer exceptional service, competitive pricing, and reliable staff. However, not all commercial cleaners deliver the same level of expertise, compliance, or customer support.

To help businesses make informed decisions, we’ve researched and compared some of the leading commercial cleaning companies operating across London. This guide examines their services, certifications, customer feedback, industry specialisations, pricing indicators, and unique strengths.

Quick Comparison Table

Key Takeaways

• Best Overall Commercial Cleaning Company: Total Clean
• Best Eco-Friendly Cleaning Provider: Cleanology
• Best For Urgent Cleaning Requirements: FastKlean
• Best Enterprise Facilities Management Partner: Samsic UK
• Best For Sensitive Corporate Environments: Mayfair Cleaning
• Best For IT and Data Centre Cleaning: Think FM

How We Selected These Commercial Cleaning Companies?

Choosing the best commercial cleaning companies in London requires more than comparing prices. We assessed providers using several important criteria:

Industry Experience

Long-established companies often have stronger operational processes, better staff training programmes, and deeper expertise across multiple sectors.

Customer Reviews

We reviewed customer feedback, ratings, and recurring review themes to understand service consistency, responsiveness, and overall satisfaction.

Certifications and Compliance

Professional commercial cleaning providers should demonstrate compliance with recognised standards such as:

• ISO 9001
• ISO 14001
• ISO 45001
• SafeContractor
• CHAS
• British Institute of Cleaning Science (BICSc)

Sustainability Initiatives

Environmental responsibility has become increasingly important for businesses pursuing ESG goals. We considered green cleaning practices, carbon reduction initiatives, and eco-friendly product usage.

Industry Specialisation

Different sectors require different cleaning approaches. We considered experience in:

• Corporate offices
• Healthcare
• Education
• Retail
• Warehousing
• Hospitality
• Technology environments

Top 10 Commercial Cleaning Companies in London

1. FastKlean – “Where Clean Means Business”

Founded in 2001, FastKlean has grown into one of the most recognised commercial cleaning companies in London, serving offices, retail stores, schools, cinemas, and commercial properties across the capital. With more than 20 years of experience, the company has built a reputation for delivering dependable cleaning services, flexible scheduling, and rapid response times for urgent cleaning requirements.

FastKlean is particularly popular among businesses that need a reliable cleaning partner capable of handling everything from routine office cleaning to specialist deep-cleaning projects. Their ability to accommodate short-notice bookings and out-of-hours cleaning schedules makes them a practical option for companies operating in fast-paced environments.

Key Services

• Office Cleaning
• Commercial Carpet Cleaning
• Window Cleaning
• Deep Cleaning Services
• End-of-Tenancy Cleaning
• Retail Cleaning
• Scheduled Maintenance Cleaning
• Washroom Hygiene Services

Certifications & Accreditations

• BICSc Accredited
• SafeContractor Approved
• Federation of Small Businesses (FSB) Member
• Eco-Friendly Cleaning Options Available

Best For

Small and medium-sized businesses looking for reliable commercial cleaning, emergency cleaning support, and flexible contract options.

 

2. Crystal Cleaning Services – “Clean Spaces, Clear Minds”

Founded in 1984, Crystal Cleaning Services is one of the longest-established commercial cleaning companies serving London and the surrounding areas. With more than four decades of industry experience, the company has built a strong reputation for delivering consistent cleaning standards across corporate offices, educational facilities, commercial buildings, and multi-site organisations.

Crystal Cleaning Services is particularly recognised for its structured management approach, highly trained workforce, and commitment to sustainability. The company works with businesses that require dependable contract cleaning services supported by strong compliance procedures and quality control systems.

Key Services

• Daily Office Cleaning
• Commercial Floor Care
• Window Cleaning
• IT Equipment Hygiene
• Deep Cleaning Services
• Washroom Hygiene Services
• Educational Facility Cleaning
• Multi-Site Contract Cleaning

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• CHAS Accredited
• SafeContractor Approved
• Living Wage Employer
• Eco-Friendly Cleaning Practices

Best For

Corporate offices, educational institutions, commercial buildings, and organisations requiring long-term contract cleaning services.

 

3. London Cleaning System – “We Clean. You Grow.”

Founded in 2018, London Cleaning System has quickly established itself as a modern commercial cleaning provider specialising in advanced steam-cleaning and sanitisation solutions. The company serves offices, educational facilities, commercial properties, and managed buildings throughout London, focusing on delivering deep cleaning results with minimal chemical usage.

What sets London Cleaning System apart is its use of dry-steam cleaning technology, which allows surfaces to be cleaned, sanitised, and disinfected using high-temperature steam. This approach is particularly attractive to businesses seeking environmentally responsible cleaning solutions while maintaining high hygiene standards.

Key Services

• Commercial Deep Steam Cleaning
• Office Cleaning
• Contract Cleaning Services
• Virucidal Sanitisation
• End-of-Tenancy Cleaning
• Carpet & Upholstery Cleaning
• Educational Facility Cleaning
• Commercial Property Maintenance Cleaning

Certifications & Accreditations

• EVSANIX Certified Virucidal Technology
• Eco-Friendly Steam Cleaning Methods
• Chemical-Reduced Cleaning Processes
• Commercial Sanitisation Expertise

Best For

Schools, academies, offices, managed commercial properties, and businesses looking for eco-friendly sanitisation and steam-cleaning solutions.

 

4. Total Clean – “Cleaning London with a Conscience”

Founded in 1988, Total Clean is one of the most established commercial cleaning companies in London, providing professional cleaning services to businesses, healthcare facilities, schools, and corporate organisations. With more than three decades of experience, the company has built a strong reputation for quality, compliance, and operational excellence.

Total Clean is particularly well known for its ability to manage complex cleaning contracts across multiple sectors while maintaining consistent service standards. The company combines highly trained cleaning teams with robust quality management systems, making it a trusted choice for organisations that require dependable and compliant cleaning services.

Key Services

• Office Cleaning
• Healthcare & Medical Cleaning
• School & Educational Cleaning
• Commercial Deep Cleaning
• Floor Restoration & Maintenance
• Washroom Hygiene Services
• Janitorial Supplies
• Specialist Sanitisation Services

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• ISO 45001 Certified
• SafeContractor Approved
• BICSc Accredited
• CarbonZero Certified

Best For

Healthcare providers, schools, corporate headquarters, multi-site organisations, and businesses that require strict compliance and quality assurance standards.

 

5. Cleanology – “Smarter Cleaning for a Safer Future”

Founded in 1999, Cleanology has become one of the UK’s leading commercial cleaning companies, known for combining high-quality cleaning services with strong sustainability and ethical business practices. The company serves corporate offices, commercial properties, public sector organisations, and high-profile institutions across London.

As a certified B Corp organisation, Cleanology has positioned itself as a leader in environmentally responsible cleaning. Its commitment to reducing waste, supporting fair employment practices, and using sustainable cleaning methods has made it a popular choice among businesses with ESG and sustainability objectives.

Key Services

• Office Cleaning
• Commercial Window Cleaning
• Property Maintenance Support
• Facilities Management Services
• Washroom Hygiene Services
• Deep Cleaning Services
• Specialist Cleaning Solutions
• Multi-Site Commercial Cleaning

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• B Corp Certified
• Living Wage Employer
• Sustainable Cleaning Practices
• Zero-to-Landfill Initiatives

Best For

Large corporations, public sector organisations, businesses with ESG goals, and companies seeking environmentally responsible commercial cleaning services.

 

6. Samsic UK – “More Than Just Cleaners”

Founded in 1986, Samsic UK is one of the largest facilities management and commercial cleaning providers operating across London and the UK. The company delivers cleaning, maintenance, security, and support services for some of the country’s most recognisable commercial properties, transport hubs, and corporate environments.

With thousands of employees nationwide, Samsic UK has the resources and infrastructure to manage large-scale cleaning contracts while maintaining consistent service standards. The company is particularly well suited to organisations that require integrated facilities management solutions alongside commercial cleaning services.

Key Services

• Commercial Office Cleaning
• Facilities Management
• Industrial Cleaning
• Building Maintenance Services
• Security & Support Services
• Washroom Hygiene Services
• Specialist Deep Cleaning
• High-Footfall Public Area Cleaning

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• OHSAS 18001 Certified
• CHAS Accredited
• BICSc Accredited
• Carbon Reduction Initiatives

Best For

Large corporations, business parks, commercial property portfolios, transport facilities, and organisations requiring integrated facilities management services.

 

7. Think FM – “Facility Solutions That Think Ahead”

Founded in 2013, Think FM has rapidly established itself as a trusted commercial cleaning and facilities management provider across London. The company specialises in supporting technology businesses, corporate offices, commercial properties, data centres, and specialist facilities that require a high level of operational care and attention.

Unlike traditional cleaning contractors, Think FM combines commercial cleaning with broader facilities management expertise, allowing clients to consolidate multiple building services under a single provider. Its proactive account management approach and tailored service plans have helped it build long-term relationships with businesses across the capital.

Key Services

• Office Cleaning
• Data Centre Cleaning
• Facilities Management
• Commercial Deep Cleaning
• Natural Stone Restoration
• Building Maintenance Support
• Washroom Hygiene Services
• Janitorial Services

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• SafeContractor Approved
• Good Business Charter Member
• Eco-Friendly Cleaning Practices

Best For

Technology companies, data centres, managed office spaces, commercial property owners, and organisations seeking integrated facilities management solutions.

 

8. Purgo Supply Services – “Precision in Every Clean”

Founded in 2013, Purgo Supply Services has developed a strong reputation for delivering commercial cleaning and building support services to large office complexes, educational institutions, and multi-tenant commercial properties across London. The company focuses on creating clean, safe, and productive working environments through a combination of experienced cleaning teams and proactive site management.

Purgo operates with a strong emphasis on staff wellbeing and service consistency, believing that well-trained and motivated employees deliver better results for clients. This people-focused approach has helped the company secure long-term relationships with a variety of commercial organisations throughout London.

Key Services

• Commercial Office Cleaning
• Daily Janitorial Services
• Window Cleaning
• Building Maintenance Support
• Deep Cleaning Services
• Educational Facility Cleaning
• Washroom Hygiene Services
• Multi-Site Commercial Cleaning

Certifications & Accreditations

• ISO 9001 Certified
• ISO 14001 Certified
• SafeContractor Approved
• BICSc Accredited
• NQA Certified
• Eco-Friendly Cleaning Practices

Best For

Large office buildings, commercial developments, educational facilities, corporate headquarters, and property management companies requiring ongoing cleaning support.

 

9. JCD Cleaning – “Where Professionalism Meets Performance”

Founded in 2014, JCD Cleaning has built a strong reputation for delivering specialist commercial cleaning services across London and the South East. The company works with businesses, educational institutions, healthcare facilities, hospitality venues, and industrial sites, offering tailored cleaning solutions designed to meet specific operational requirements.

JCD Cleaning is particularly known for its expertise in high-level access cleaning, industrial maintenance, and builders’ cleans. Its ability to handle complex cleaning projects using specialist equipment makes it a valuable partner for property managers, construction companies, and organisations requiring more than standard office cleaning services.

Key Services

• Commercial Contract Cleaning
• Industrial Cleaning
• High-Level Access Cleaning
• Builders’ Cleans
• Window Cleaning
• Hospitality Cleaning
• Educational Facility Cleaning
• Specialist Deep Cleaning Services

Certifications & Accreditations

• SafeContractor Approved
• CHAS Accredited
• BICSc Trained Staff
• Health & Safety Compliant Procedures
• Eco-Friendly Cleaning Options Available

Best For

Industrial facilities, construction sites, educational institutions, hospitality businesses, and property managers requiring specialist commercial cleaning services.

 

10. Mayfair Cleaning – “Luxury Standards, Everyday Clean”

Established in 1910, Mayfair Cleaning is one of the oldest and most experienced commercial cleaning companies operating in London. With more than a century of industry experience, the company specialises in providing premium cleaning services to law firms, financial institutions, luxury brands, executive offices, and other high-profile commercial environments.

Mayfair Cleaning has built its reputation on discretion, attention to detail, and exceptional service standards. The company is frequently chosen by organisations where confidentiality, professionalism, and presentation are critical to daily operations.

Key Services

• Office Cleaning
• Executive Workspace Cleaning
• Commercial Deep Cleaning
• Window Cleaning
• Washroom Hygiene Services
• Luxury Commercial Property Cleaning
• Secure Document Environment Cleaning
• Specialist Contract Cleaning

Certifications & Accreditations

• BICSc Accredited
• SafeContractor Approved
• ISO-Compliant Operating Standards
• Eco-Friendly Cleaning Practices
• Security-Vetted Cleaning Teams

Best For

Law firms, financial institutions, luxury brands, executive offices, embassies, and businesses requiring highly professional and confidential cleaning services.

 

How Much Do Commercial Cleaning Companies Charge in London?

Commercial cleaning costs vary significantly depending on building size, cleaning frequency, sector requirements, and location.

Average Commercial Cleaning Costs in London

Which Commercial Cleaning Company Is Best for Your Industry?

What Makes a Great Commercial Cleaning Company?

Discuss:

• Staff training
• Quality audits
• Communication
• Response times
• Health & safety
• Sustainability

Google prefers this type of expertise-driven content.

Common Mistakes Businesses Make When Hiring Commercial Cleaners

Example:

1. Choosing purely on price
2. Ignoring certifications
3. Not checking references
4. Failing to review contracts
5. Overlooking insurance requirements

This creates unique value competitors lack.

What Factors Affect Commercial Cleaning Costs?

Several factors influence pricing:

Building Size

Larger premises require additional labour, equipment, and supervision.

Cleaning Frequency

Regular contract cleaning generally costs less per visit than ad-hoc cleaning.

Industry Requirements

Healthcare facilities, laboratories, and food production environments require specialist cleaning procedures that increase costs.

London Logistics

ULEZ charges, congestion zones, parking restrictions, and transport costs can all impact pricing.

Out-of-Hours Cleaning

Evening, overnight, and weekend cleaning often attracts premium rates.

How Do You Choose the Best Commercial Cleaning Company in London?

Follow these steps:

1. Verify certifications and accreditations.
2. Check public liability insurance.
3. Confirm DBS checks where appropriate.
4. Review customer feedback.
5. Request references.
6. Compare service level agreements.
7. Understand contract terms.
8. Assess sustainability practices.
9. Review account management structures.
10. Request a site survey before signing any agreement.

What Red Flags Should Businesses Avoid?

Be cautious of providers that:

• Refuse to provide references.
• Lack recognised certifications.
• Offer unusually low prices.
• Have inconsistent communication.
• Cannot provide risk assessments.
• Use unclear contract terms.
• Avoid discussing insurance coverage.

Conclusion

The commercial cleaning sector in London is highly competitive, but the quality of service varies considerably between providers.

For businesses prioritising compliance and reliability, Total Clean stands out as one of the strongest all-round options. Organisations focused on sustainability may prefer Cleanology, while companies needing flexible emergency support may find FastKlean particularly attractive.

Ultimately, the best commercial cleaning company is the one that aligns with your operational needs, industry requirements, budget, and long-term business goals.

A clean workplace is more than an expense. It is an investment in employee wellbeing, customer confidence, regulatory compliance, and business success.

FAQs

How long does it take to onboard a new commercial cleaning company?

The onboarding process typically takes between a few days and several weeks, depending on the size of the premises and the complexity of the contract. Larger organisations may require site surveys, risk assessments, staff training, and security clearances before cleaning services begin.

Can commercial cleaning companies provide emergency cleaning services?

Yes. Many commercial cleaning companies offer emergency cleaning for unexpected situations such as flood damage, accidental spills, post-event cleaning, vandalism, or urgent sanitation requirements. Availability and response times vary between providers.

Should businesses choose a local cleaning company or a national provider?

Both options have advantages. Local providers often offer more personalised service and faster response times, while national companies may have larger teams, broader resources, and specialist expertise across multiple locations. The best choice depends on your operational needs and budget.

What should be included in a commercial cleaning contract?

A commercial cleaning contract should clearly outline the scope of work, cleaning schedules, service standards, pricing structure, cancellation terms, insurance details, and responsibilities of both parties. Reviewing these details carefully helps prevent misunderstandings later.

How can businesses measure the quality of a commercial cleaning service?

Businesses can assess quality through regular inspections, staff feedback, cleanliness audits, response times to issues, and compliance with agreed service standards. Many professional cleaning companies also provide account managers and performance reports to monitor service levels.