Company lists · Data refreshed October 2026
Top 25 Government building janitorial services based in London, United Kingdom
RevenueBase identified 135 company matches for government building janitorial services associated with London, United Kingdom as of October 2026 and tracks 981 professional contacts across them, including 189 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for government building janitorial services associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest government building janitorial services based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 104 contacts → | ||||
Exact match “GreenZone is a commercial cleaning company like no other; we aim to challenge all industry preconceptions and deliver the cleanest and most service focused customer experience…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 88 contacts → | ||||
Exact match “We started Act-Clean with the ambition of revolutionised standards of contract cleaning within the hospitality industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 76 contacts → | ||||
Exact match “ACT Clean provides managed cleaning and support services to London's most prestigious hotels and restaurants.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 55 contacts → | ||||
Exact match “The Clean Space provides cleaning services to commercial spaces in London, Birmingham, Solihull, Coventry, Rugby, Manchester, Bristol, Cardiff, Gloucester, Cheltenham and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 48 contacts → | ||||
Exact match “People rarely remember the cleaning itself.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 48 contacts → | ||||
Exact match “Cleaning Express combines cleaning expertise, first-class customer service, trained & motivated staff and local knowledge to bring together unrivalled cleaning services in London.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 33 contacts → | ||||
Exact match “Casna Group is a trusted cleaning and facilities management leader, known for delivering exceptional services tailored to diverse client needs.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Double Check Security: Trusted Security, Facilities Management & Commercial Cleaning for Premium Brands At Double Check Security (DCS), we specialise in delivering comprehensive…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “The Cleaner Company are specialists in professional domestic and commercial cleaning offering long-term, bespoke cleaning services in East London and surrounding areas.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “Creating cleaner, healthier workplaces across London, Essex and Hertfordshire.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “SM Cleaning & Support Services provide professional commercial cleaning, window cleaning and specialist cleaning services for offices, residential developments and commercial…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “Winner of 5 Master Builder awards and backed by over 25 years of trade experience, Property Facilities Group offer an industry leading and truly 'tailor-made' building and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “We are Support Service Leaders, one of the most effective building management providers that you will find in London and across the South East.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Owl Cleaning Services provide an exemplary professional commercial cleaning service to ensure that our clients have clean, safe, healthy environments for their staff and customers.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “We offer a wide range of services covering: Office refurbishments, space planning, plumbing, electrical, furniture, fittings, roofing, switchboards, fire prevention, heating, gas…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “MCS Contract Services Ltd delivers top-quality cleaning and maintenance services throughout London and Essex.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Happy Hands Cleaning Services Ltd is one of the largest privately owned industry specialists in Domestic, Commercial and Deluxe cleaning services throughout London and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “We are a friendly and professional business offering a wide range of cleaning services at cost-effective rates.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “CGD Group - Redefining Facilities Management Solutions Nationwide At CGD Group, headquartered in Derbyshire but operating nationwide we are on a mission to revolutionise the…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “At the Way Forward Ltd we aim in pushing the barriers of excellence.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “National Cleaning & Maintenance Services is your one-stop service provider for a wide array of commercial cleaning solutions- Window Cleaning (Internal & External, Including…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Office Space Cleaning (OSC) was born from a need to provide a 5 star, high quality service within Commercial Cleaning and Facilities Management.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Benefit from 35 years experience in making you feel good We are a serious contender in the daily office cleaning services market supplying a wide range of complementary specialist…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “EcoCare Facilities Ltd, is a London based commercial cleaning and facility support services company that operates in the Greater London Area.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “government building janitorial services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 135 government building janitorial services based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 189 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Government building janitorial services based in London, United Kingdom at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 135 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with London, United Kingdom whose business descriptions match “government building janitorial services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 189 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 13, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “government building janitorial services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government building janitorial services are there based in London, United Kingdom?
RevenueBase identified 135 company matches for government building janitorial services associated with London, United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Greenzone Cleaning & Support Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most government building janitorial services?
London leads the United Kingdom with 135 company records, followed by Manchester (27) and Birmingham (23).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 189 professional contacts with verified work emails tracked across these 135 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 135 government building janitorial services based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Government building janitorial services by geography
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates
- Government building janitorial services based in Atlanta, United States
- Government building janitorial services based in Charlotte, United States
- Government building janitorial services based in Dallas, United States
- Government building janitorial services based in Houston, United States
- Government building janitorial services based in Miami, United States
- Government building janitorial services based in New York, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates
Company intelligence · public preview
Top 25 government building janitorial services based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 135 matching company records for government building janitorial services based in London, United Kingdom, with 981 tracked contacts and 189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 government building janitorial services based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Greenzone Cleaning & Support Servicesgzcss.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 104 contacts → |
“GreenZone is a commercial cleaning company like no other; we aim to challenge all industry preconceptions and deliver the cleanest and most service focused customer experience…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Act-Cleanact-clean.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 88 contacts → |
“We started Act-Clean with the ambition of revolutionised standards of contract cleaning within the hospitality industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ACTact-ltd.netHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“ACT Clean provides managed cleaning and support services to London's most prestigious hotels and restaurants.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  The Clean Spacethecleanspace.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 55 contacts → |
“The Clean Space provides cleaning services to commercial spaces in London, Birmingham, Solihull, Coventry, Rugby, Manchester, Bristol, Cardiff, Gloucester, Cheltenham and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Chamberlaine Cleaning Services B Corpchamberlaine.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 48 contacts → |
“People rarely remember the cleaning itself.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cleaning Expresscleaning-express.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 48 contacts → |
“Cleaning Express combines cleaning expertise, first-class customer service, trained & motivated staff and local knowledge to bring together unrivalled cleaning services in London.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Casna Groupcasnagroup.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 33 contacts → |
“Casna Group is a trusted cleaning and facilities management leader, known for delivering exceptional services tailored to diverse client needs.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Double Check Security Groupdoublechecksecurity.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 24 contacts → |
“Double Check Security: Trusted Security, Facilities Management & Commercial Cleaning for Premium Brands At Double Check Security (DCS), we specialise in delivering comprehensive…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  The Cleaner Companycleaner-company.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“The Cleaner Company are specialists in professional domestic and commercial cleaning offering long-term, bespoke cleaning services in East London and surrounding areas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Swift Office Cleaning Services LTDswiftcleaning.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 20 contacts → |
“Creating cleaner, healthier workplaces across London, Essex and Hertfordshire.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SM Cleaning London Commercial Cleaningsmcleaningsupport.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 19 contacts → |
“SM Cleaning & Support Services provide professional commercial cleaning, window cleaning and specialist cleaning services for offices, residential developments and commercial…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Property Facilities Group LTDpfg.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Winner of 5 Master Builder awards and backed by over 25 years of trade experience, Property Facilities Group offer an industry leading and truly 'tailor-made' building and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SSLsupportserviceleaders.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 11 contacts → |
“We are Support Service Leaders, one of the most effective building management providers that you will find in London and across the South East.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OWL Cleaning Servicesowlcleaningservices.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 8 contacts → |
“Owl Cleaning Services provide an exemplary professional commercial cleaning service to ensure that our clients have clean, safe, healthy environments for their staff and customers.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Keep Clean LTDkeepcleanltd.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  A Hunt & CO City Limitedahuntandco.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We offer a wide range of services covering: Office refurbishments, space planning, plumbing, electrical, furniture, fittings, roofing, switchboards, fire prevention, heating, gas…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MCS Contract Services Limitedmcscontracts.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“MCS Contract Services Ltd delivers top-quality cleaning and maintenance services throughout London and Essex.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Happy Hands Cleaning Services LTDhappy-hands.biz HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Happy Hands Cleaning Services Ltd is one of the largest privately owned industry specialists in Domestic, Commercial and Deluxe cleaning services throughout London and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Pacific Support Servicespacificsupportservices.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 4 contacts → |
“We are a friendly and professional business offering a wide range of cleaning services at cost-effective rates.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CGD Group UKcgdgroup.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 4 contacts → |
“CGD Group - Redefining Facilities Management Solutions Nationwide At CGD Group, headquartered in Derbyshire but operating nationwide we are on a mission to revolutionise the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TWF Servicestwfservices.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“At the Way Forward Ltd we aim in pushing the barriers of excellence.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clean Societycleansociety.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 3 contacts → |
“National Cleaning & Maintenance Services is your one-stop service provider for a wide array of commercial cleaning solutions- Window Cleaning (Internal & External, Including…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Office Space Cleaning (OSC) was born from a need to provide a 5 star, high quality service within Commercial Cleaning and Facilities Management.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | RPC Cleaning Services LTDrpccleaning.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Benefit from 35 years experience in making you feel good We are a serious contender in the daily office cleaning services market supplying a wide range of complementary specialist…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ecocare Facilitiesecocarefacilities.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“EcoCare Facilities Ltd, is a London based commercial cleaning and facility support services company that operates in the Greater London Area.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 135 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Government building janitorial services: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
134 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 135 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for government building janitorial services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government building janitorial services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 135 matching company records, 981 tracked contacts and 189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Government building janitorial services by geography
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates
- Government building janitorial services based in Atlanta, United States
- Government building janitorial services based in Charlotte, United States
- Government building janitorial services based in Dallas, United States
- Government building janitorial services based in Houston, United States
- Government building janitorial services based in Miami, United States
- Government building janitorial services based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 government building janitorial services based in London, United Kingdom. Snapshot: October 13, 2026. https://revenuebase.ai/companies/government-building-janitorial-services/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates
Company intelligence · public preview
Top 25 government building janitorial services based in London, United Kingdom
RevenueBase records 135 matching company records for government building janitorial services based in London, United Kingdom, with 981 tracked contacts and 189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 government building janitorial services based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Greenzone Cleaning & Support Servicesgzcss.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 104 contacts → |
“GreenZone is a commercial cleaning company like no other; we aim to challenge all industry preconceptions and deliver the cleanest and most service focused customer experience…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Act-Cleanact-clean.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 88 contacts → |
“We started Act-Clean with the ambition of revolutionised standards of contract cleaning within the hospitality industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ACTact-ltd.net HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“ACT Clean provides managed cleaning and support services to London's most prestigious hotels and restaurants.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | The Clean Spacethecleanspace.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 55 contacts → |
“The Clean Space provides cleaning services to commercial spaces in London, Birmingham, Solihull, Coventry, Rugby, Manchester, Bristol, Cardiff, Gloucester, Cheltenham and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Chamberlaine Cleaning Services B Corpchamberlaine.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 48 contacts → |
“People rarely remember the cleaning itself.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cleaning Expresscleaning-express.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 48 contacts → |
“Cleaning Express combines cleaning expertise, first-class customer service, trained & motivated staff and local knowledge to bring together unrivalled cleaning services in London.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Casna Groupcasnagroup.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 33 contacts → |
“Casna Group is a trusted cleaning and facilities management leader, known for delivering exceptional services tailored to diverse client needs.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Double Check Security Groupdoublechecksecurity.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 24 contacts → |
“Double Check Security: Trusted Security, Facilities Management & Commercial Cleaning for Premium Brands At Double Check Security (DCS), we specialise in delivering comprehensive…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Cleaner Companycleaner-company.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“The Cleaner Company are specialists in professional domestic and commercial cleaning offering long-term, bespoke cleaning services in East London and surrounding areas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Swift Office Cleaning Services LTDswiftcleaning.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 20 contacts → |
“Creating cleaner, healthier workplaces across London, Essex and Hertfordshire.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SM Cleaning London Commercial Cleaningsmcleaningsupport.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 19 contacts → |
“SM Cleaning & Support Services provide professional commercial cleaning, window cleaning and specialist cleaning services for offices, residential developments and commercial…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Property Facilities Group LTDpfg.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Winner of 5 Master Builder awards and backed by over 25 years of trade experience, Property Facilities Group offer an industry leading and truly 'tailor-made' building and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SSLsupportserviceleaders.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 11 contacts → |
“We are Support Service Leaders, one of the most effective building management providers that you will find in London and across the South East.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OWL Cleaning Servicesowlcleaningservices.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 8 contacts → |
“Owl Cleaning Services provide an exemplary professional commercial cleaning service to ensure that our clients have clean, safe, healthy environments for their staff and customers.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Keep Clean LTDkeepcleanltd.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | A Hunt & CO City Limitedahuntandco.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“We offer a wide range of services covering: Office refurbishments, space planning, plumbing, electrical, furniture, fittings, roofing, switchboards, fire prevention, heating, gas…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MCS Contract Services Limitedmcscontracts.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“MCS Contract Services Ltd delivers top-quality cleaning and maintenance services throughout London and Essex.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Happy Hands Cleaning Services LTDhappy-hands.biz HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Happy Hands Cleaning Services Ltd is one of the largest privately owned industry specialists in Domestic, Commercial and Deluxe cleaning services throughout London and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Pacific Support Servicespacificsupportservices.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 4 contacts → |
“We are a friendly and professional business offering a wide range of cleaning services at cost-effective rates.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CGD Group UKcgdgroup.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 4 contacts → |
“CGD Group - Redefining Facilities Management Solutions Nationwide At CGD Group, headquartered in Derbyshire but operating nationwide we are on a mission to revolutionise the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TWF Servicestwfservices.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“At the Way Forward Ltd we aim in pushing the barriers of excellence.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clean Societycleansociety.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 3 contacts → |
“National Cleaning & Maintenance Services is your one-stop service provider for a wide array of commercial cleaning solutions- Window Cleaning (Internal & External, Including…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Office Space Cleaning (OSC) was born from a need to provide a 5 star, high quality service within Commercial Cleaning and Facilities Management.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | RPC Cleaning Services LTDrpccleaning.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Benefit from 35 years experience in making you feel good We are a serious contender in the daily office cleaning services market supplying a wide range of complementary specialist…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ecocare Facilitiesecocarefacilities.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“EcoCare Facilities Ltd, is a London based commercial cleaning and facility support services company that operates in the Greater London Area.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 135 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Government building janitorial services: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
134 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 135 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for government building janitorial services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government building janitorial services did RevenueBase find based in London, United Kingdom?
The saved snapshot records 135 matching company records, 981 tracked contacts and 189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Government building janitorial services by geography
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates
- Government building janitorial services based in Atlanta, United States
- Government building janitorial services based in Charlotte, United States
- Government building janitorial services based in Dallas, United States
- Government building janitorial services based in Houston, United States
- Government building janitorial services based in Miami, United States
- Government building janitorial services based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 government building janitorial services based in London, United Kingdom. Snapshot: October 13, 2026. https://revenuebase.ai/companies/government-building-janitorial-services/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Government building janitorial services based in Melbourne, Australia
- Government building janitorial services based in Sydney, Australia
- Government building janitorial services based in Mississauga, Canada
- Government building janitorial services based in Toronto, Canada
- Government building janitorial services based in Berlin, Germany
- Government building janitorial services based in Dubai, United Arab Emirates