7 Best Cleaning Services in London (2026 Guide)
- Solomons FM
- Jul 20
- 12 min read
Are you choosing a cleaner, or are you trying to solve a wider building operations problem and only calling it cleaning? That's the gap most buying lists miss. A tidy office matters, but so do access control, washroom standards, visitor experience, out-of-hours cover, and who answers the phone when something goes wrong at 6am.
London is a hard market to buy in. The city has a dense, competitive supplier base, with more than 30 top-rated professional cleaning companies identified in 2025 by Cleaning Service Reviewed's London roundup. It's also a market with high cost pressure. Residential hourly cleaning rates in London sit above other UK regions at £22 to £28 in 2025, according to CADI Cleaning's industry statistics page. For business buyers, that matters because very cheap bids usually mean something has been cut.
Finding the best cleaning services in London for your business isn't just about who can vacuum a floor. It's about who can hold standards, manage people properly, and fit the way your site runs. This guide reviews seven strong options for 2026, with a bias toward practical buying decisions rather than generic praise.
Table of Contents
1. Solomon's Facilities Management
Need a cleaner, a receptionist, and a security team, but do not want three separate suppliers arguing over responsibility? Solomon's Facilities Management is the strongest option in this list for that brief.
Solomon's is set up as a single-supplier FM provider, not a cleaning contractor that happens to offer a few extras. Alongside cleaning, it covers SIA-licensed security, front-of-house reception, concierge, CCTV monitoring, and key holding. For buyers trying to reduce vendor sprawl, that changes the conversation from "who cleans best?" to "who can run the building properly with one contract and one chain of accountability?"
That distinction affects day-to-day operations. On multi-service sites, failures usually happen at the handover point between suppliers. A cleaner reports a damaged access door but cannot push the fix. Reception spots unusual behaviour but has no direct line into the guard team. Security records an overnight incident, yet the morning cleaning team arrives without context. Solomon's is built to reduce those gaps.
Why Solomon's stands out
The practical advantage is operational control. Solomon's has a strong fit for Central, East, and North London properties where response times, opening routines, and visible standards matter. The service offer includes 24/7 cover, continuity of assigned personnel, digital patrol reporting, incident logging, monthly monitoring reports for CCTV clients, and key holding support.
Its security background also gives it a different operating style from cleaning-first firms. Buyers who manage offices, mixed-use buildings, residential blocks, or event spaces will recognise the benefit straight away. Out-of-hours access, incident escalation, and early-morning readiness are handled with more discipline when the supplier already understands building security, not just janitorial delivery.
For firms comparing cleaning specifications, Solomon's also publishes a useful office cleaning service overview, which helps clarify what is included before you get into procurement detail.
Practical rule: If the site needs cleaning, front-of-house coverage, and reliable out-of-hours control, one accountable supplier is usually easier to manage than three specialist contractors.
Best fit and trade-offs
Solomon's suits buyers who care as much about coordination as cleaning quality. That usually means corporate offices, serviced offices, residential developments, retail environments, and venues where presentation, access control, and incident response all affect the occupier experience.
A few points stand out:
Best for integrated delivery: Cleaning, security, reception, concierge, and monitoring can sit under one supplier.
Best for operationally sensitive sites: Buildings with early starts, late finishes, visitor traffic, or regular contractor access benefit most.
Best for local coverage: The focus on Central, East, and North London is an advantage if you want responsiveness rather than a thin city-wide spread.
Best for clearer accountability: Digital reports and logged incidents make it easier to challenge missed tasks and track follow-up actions.
There is a trade-off. If you only need a basic cleaning contract for a small office, or your site sits outside Solomon's core London coverage, a narrower cleaning specialist may suit you better. Integrated FM usually costs more than buying the cheapest cleaner on a simple scope.
For businesses trying to replace fragmented vendor management with one supplier that can handle cleaning, reception, security, and out-of-hours issues under the same roof, Solomon's is the standout choice in this lineup.
2. Principle Cleaning Services
Principle Cleaning Services is a serious contender if you manage a prestige office, a multi-tenant commercial building, or a site where specialist cleaning can't be left to a patchwork of subcontractors. It has a long-standing London reputation and a portfolio that points clearly toward corporate and landmark properties.
The headline strength is depth in-house. Principle doesn't look like a provider that only wants routine desk and washroom work. It offers daily office cleaning alongside window cleaning, high-level work, specialist cleaning, data-centre cleaning, and periodic deep cleans. For complex estates, that reduces the coordination burden.
Where Principle fits best
This is the provider I'd shortlist for blue-chip offices and demanding commercial environments where service failure gets noticed fast. Buyers in that category usually care less about the lowest quote and more about whether the contractor can manage specialist access, sensitive spaces, and visible public-facing areas without fuss.
Its award recognition also gives it credibility in quality-led tenders. That won't clean your floors on its own, but it does signal a business that knows how to operate in formal procurement environments and hold presentation standards.
On large corporate sites, in-house specialist capability usually beats a cheaper contract stitched together with too many third parties.
There are trade-offs. Principle appears better suited to medium and larger contracts than small single-floor offices. If you just need basic daily attendance for a straightforward workplace, a more flexible local operator may be easier to mobilise and manage. If you need a benchmark for what a simpler contract can look like, compare that enterprise-style model against a focused office cleaning service in London.
For prestige, specialist capability, and established commercial delivery, Principle Cleaning Services deserves a place on the shortlist.
3. Julius Rutherfoord & Co (JR&Co)
JR&Co leans hard into ethical employment, sustainability, and local contract oversight. It's an independent, London-only commercial cleaning company, and that narrow footprint is a strength if you want tight supervision rather than a sprawling national structure.
The other reason buyers notice it is B Corp certification. In a market where many firms talk broadly about values, JR&Co gives procurement teams a recognised framework for assessing social and environmental claims. That's useful when your business has internal ESG scrutiny and doesn't want vague supplier language.
Why buyers shortlist JR&Co
The practical appeal is that JR&Co combines a clear London focus with operational systems. Its contract-management technology should help with visibility, communication, and day-to-day contract control. It also promotes low-water and non-chemical cleaning systems, recycled materials, and cleaner fleet choices, which will matter to organisations trying to reduce environmental impact without turning the cleaning brief into a branding exercise.
This is a sensible choice for offices, education settings, and cultural venues that want a provider aligned with ethical procurement standards. It's also a good fit where the cleaning contractor needs to reflect the client's public-facing values.
Strong point: B Corp status gives buyers an external reference point.
Strong point: London-only delivery can mean better site familiarity and supervision.
Watch-out: It won't suit portfolios that extend well beyond the capital.
Pricing is quote-led, and that's expected in London. Buyers should assume that a contractor with stronger employment and compliance positioning won't sit at the bargain-basement end of the market. If your brief is broader than daily cleaning, it also helps to compare a specialist cleaner with a more integrated professional cleaning and facilities approach.
For ethical credibility and local control, Julius Rutherfoord & Co is a strong option.
4. Cleanology
Cleanology is a good fit for organisations that need their cleaning contractor to contribute to ESG reporting rather than just perform the cleaning specification. Plenty of companies claim to be green. Cleanology stands out because it presents sustainability as an operating system, not a side note.
That makes it especially relevant in London offices where occupiers, landlords, and procurement teams all want cleaner supplier data and smoother transitions between contractors. Onboarding matters. A technically good cleaner that changes over badly can still create complaints in the first month.
What Cleanology does well
Cleanology highlights carbon tracking and reporting for clients, sustainable uniforms, and a structured onboarding approach. Those points matter if your cleaning contract sits inside a wider building management or landlord reporting framework.
It also has broad sector coverage, including offices, hospitality, and retail. That range suggests it understands the difference between a back-office routine, a guest-facing environment, and a trading floor that can't look neglected for even half a day.
Sustainability claims are only useful when the supplier can show how they affect staffing, materials, reporting, and mobilisation.
The main caution is verification. Cleanology is often described as B Corp pending, so buyers should confirm current status during procurement rather than assume it. The second caution is scope clarity. If consumables, supervision, or specialist periodic work matter to your site, get those itemised early.
For London businesses that want cleaning wrapped in credible ESG language and practical reporting, Cleanology is worth a serious look.
5. Mitie Cleaning & Hygiene
Mitie sits in a different category from most of this list. This is an enterprise-scale facilities provider with a major cleaning and hygiene operation, and it makes the most sense when resilience, specialist compliance, and technical capability matter more than local boutique service.
The UK cleaning services industry is projected to reach £166.0 billion in 2026, with around 480,000 businesses and London holding about 35% of the UK contract cleaning market, according to IBISWorld. In that environment, Mitie represents the large-scale end of the buying spectrum. It's the kind of supplier many procurement teams turn to when the contract has to withstand audits, mobilisation risk, and complex estate requirements.
Best use case for Mitie
Mitie is well suited to multi-site portfolios, regulated environments, healthcare settings, laboratories, and cleanroom work. It also has the scale for high-profile estates where service interruption can't be tolerated. Training, automation, and specialist process discipline are part of the appeal here.
That scale brings advantages and friction at the same time.
Best for resilience: National backup and broad FM depth support large or sensitive contracts.
Best for specialist environments: It's better positioned than most to handle technical cleaning standards.
Less ideal for small buyers: Smaller single-site offices may find the process heavier than they need.
If your site is straightforward, Mitie may be more infrastructure than you require. But if you run a London portfolio with compliance-heavy spaces and want to consider your options, Mitie Cleaning & Hygiene is a logical shortlist candidate.
6. NJC (Not Just Cleaning)
NJC makes sense when your site doesn't fit neatly into an office-cleaning box. Mixed-use estates, property portfolios, and buildings with external fabric issues often need more than interior daily cleaning. They need one contractor who can deal with rope-access work, public-realm presentation, waste handling, pest control, porterage, and washroom support without turning every extra task into a separate procurement exercise.
That's where NJC looks strong. It's family-owned, operationally broad, and clearly set up for practical estates work across London.
Why estates teams look at NJC
The attraction is service range. NJC can package routine interior cleaning with exterior and vertical access work, as well as waste and recycling support. For estates managers, that's useful because the building never behaves in neat categories. The same tenant who complains about the washrooms may complain about the entrance glass, loading bay litter, or facade presentation in the same email.
This kind of contractor can reduce admin for mixed-scope sites. It can also improve accountability, because the same provider owns more of the visible estate.
A provider that can clean the lobby, manage the waste stream, and sort exterior access work is often more useful than a cleaner with a narrower spec and a lower day rate.
The trade-off is scale versus specialism. NJC is broad, but it isn't the same type of giant enterprise provider as the biggest FM groups. If you run highly regulated spaces, verify exactly who will deliver specialist tasks and how the supervision model works.
For mixed-use buildings and practical London estate operations, NJC (Not Just Cleaning) is a strong choice.
7. DOC Cleaning
DOC Cleaning is a good option for buyers who want a contractor with deep London roots but enough scale to support regional growth. That profile suits property managers and businesses with a London headquarters plus satellite sites elsewhere. It also suits clients who value operating history and directly employed teams over newer challenger brands.
The wider context matters. The UK cleaning sector directly employs 1,012,400 workers, according to British Cleaning Council data cited by PolicyBee, which tells you how operationally significant this industry is. Buyers aren't choosing a minor supplier category. They're choosing a labour-heavy service that depends on supervision, retention, training, and contract discipline.
Where DOC makes sense
DOC's long operating history gives it credibility for larger and more established contracts. It's the kind of company that appeals to property managers who want a stable provider with enough delivery infrastructure to grow with the account.
That said, scale alone doesn't guarantee a better site experience. With any larger operator, day-to-day quality still depends on the local team, the area management layer, and how clearly the SLA is written.
Good fit: London-led portfolios with some regional spread.
Good fit: Buyers who want an established contractor with broad sector experience.
Check carefully: Supervision frequency, consumables, and service reporting.
If you need a cleaner that can support a London core while handling additional sites as the contract expands, DOC Cleaning is worth considering.
Top 7 Best Cleaning Services in London Comparison
Service | Implementation complexity | Resource requirements | Expected outcomes | Ideal use cases | Key advantages |
|---|---|---|---|---|---|
Solomon's Facilities Management | Moderate , integrated FM + security onboarding | 24/7 dedicated on-site teams; CCTV monitoring; mid–high budget | High security/consistency; fast incident response; regular digital reports | Central/East/North London offices, residential blocks, events | Single accountable supplier; 100% SIA-licensed staff; digital patrol reports |
Principle Cleaning Services | Moderate, specialist cleaning workflows | Skilled in‑house teams; high‑level & data‑centre equipment | Premium cleanliness; award‑recognised standards | Prestige multi‑tenant and blue‑chip corporate estates | In‑house specialist capability; industry awards |
Julius Rutherfoord & Co (JR&Co) | Low–Moderate, tight local oversight; app‑led management | Ethical workforce; proprietary contract‑management app; sustainable systems | Verified ethical/ESG performance; strong local supervision | Buyers prioritising B Corp/ethical credentials within London | B Corp certified; sustainability practices; strong local focus |
Cleanology | Low–Moderate, ESG‑led onboarding and reporting | Carbon tracking tools; sustainable uniforms; onboarding team | Clear ESG/carbon reporting; smooth site transitions | Organisations needing ESG reporting and London site onboarding | Net‑zero target; client carbon reporting; tangible ESG measures |
Mitie Cleaning & Hygiene | High, enterprise processes and automation integration | Large scale teams; robotics/automation; specialist training | Enterprise‑grade resilience; specialist/regulatory compliance | Large multi‑site portfolios and highly regulated spaces (healthcare, labs) | National backup; automation; technical cleanroom capability |
NJC (Not Just Cleaning) | Moderate, coordination of diverse service types | Mixed crews for interior/exterior works; flexible resourcing | Comprehensive estate maintenance; operational flexibility | Mixed‑use estates needing interior + exterior/vertical services | Broad service menu; one‑stop shop for estate needs |
DOC Cleaning | Moderate, scaled operations with regional coordination | Large directly employed workforce; capacity to scale; national reach | Reliable multi‑site delivery; experienced long‑term teams | Property managers with London core plus regional sites | 50+ years' experience; scale and multi‑site capability |
Beyond Cleaning: The Case for Integrated Facilities Management
A dedicated cleaning contractor is often the right starting point. If your site is straightforward, your brief is stable, and you already have reliable security and front-of-house arrangements, a specialist cleaner can do the job well.
Several providers on this list fit that model, and the right one depends on whether you prioritise prestige corporate delivery, ethical credentials, sustainability reporting, regulated-environment capability, or mixed-estate support.
But many London businesses aren't dealing with a cleaning problem in isolation. They're dealing with fragmented service delivery.
One supplier handles cleaning. Another controls access. A third covers reception. Someone else monitors cameras.
When incidents happen outside office hours, the weaknesses in that structure show up immediately.
Accountability gets blurry, communication slows down, and the facilities manager becomes the person stitching everything together.
That's why integrated facilities management deserves more attention in any shortlist of the best cleaning services in London.
It solves a different problem. Instead of buying cleaning as a standalone service, you buy an operating model for the building. Done well, that means one contract, one escalation route, one reporting rhythm, and one supplier that understands how cleanliness, safety, and visitor experience affect each other.
For many offices, residential buildings, retail environments, and event venues, that's the smarter long-term move. It reduces the admin burden on internal teams and removes the excuse culture that appears when suppliers point at one another.
Solomon's Facilities Management stands out on that basis.
It combines cleaning, security, reception, concierge, CCTV monitoring, key holding, and out-of-hours support in a way that's practical for real London sites.
That won't make it the perfect fit for every single buyer. A small office with a narrow scope may still prefer a simple cleaning-only contract.
But if you're managing multiple functions already, or if standards slip because nobody owns the whole picture, a single-supplier FM model is usually the cleaner answer.
Choose for the building you have now. Procure for the one you'll still be responsible for next year.
If you want a cleaning provider that can also take responsibility for security, reception, concierge, and out-of-hours building support, Solomon's Facilities Management is the strongest single-supplier option on this list.
It's a practical fit for London businesses that want fewer vendors, clearer accountability, and one reliable point of contact across day-to-day site operations.
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