Citywide Cleaning Company · Commercial Cleaning Guide · 2026
Janitorial Services and Commercial Cleaning Services: What Is the Difference?
Janitorial services are the day-to-day maintenance cleaning of a building; commercial cleaning is the broader category that contains them — along with deep cleans, carpet care and specialist work. All janitorial cleaning is commercial cleaning, but not all commercial cleaning is janitorial.
Two terms used interchangeably by almost everyone — but they describe different scopes, frequencies and operational models.
If you're buying office cleaning in London, the distinction matters more than most people realise. This guide explains what each covers, why the confusion costs buyers money, and which your office actually needs.
The Short Answer
For most London offices, the answer isn't one or the other — it's both, structured correctly: a janitorial contract as the ongoing foundation, with specialist commercial cleaning services (deep cleaning, carpet care, washroom hygiene) layered in on a periodic schedule. The question is never which to choose, but how clearly the boundary between them is drawn in your contract.
Key Takeaways for London Office Buyers
- Janitorial is the maintenance layer. Ongoing, scheduled visits keeping a building operational and hygienic.
- Commercial cleaning is the umbrella. Janitorial sits within it, as do deep cleaning, carpet care and specialist services.
- Most offices need both. A janitorial contract as the permanent base, supplemented by specialist work on a periodic schedule.
- The terms get used interchangeably — which makes buyers underspecify. Define scope, frequency and exclusions in writing regardless.
- Sector changes everything. An office requirement differs structurally from a school, hotel or retail site, even under the same words.
- One managed contract works best. Citywide delivers janitorial and specialist cleaning under a single London agreement.
Related Services
Defined
What are janitorial services?
Janitorial services are the ongoing, regularly scheduled cleaning and maintenance tasks that keep a commercial building in a consistently clean and functional condition. They are the cleaning layer that runs continuously — daily, weekly, or on a defined schedule — rather than being called in for a specific event or periodic deep treatment.
The term comes from the role of the janitor, the building caretaker responsible for day-to-day upkeep. In a commercial context, janitorial work covers the routine tasks that prevent a building from deteriorating between thorough cleans: vacuuming and mopping floors, emptying bins, wiping surfaces, sanitising washrooms, restocking consumables, cleaning kitchens and maintaining entrances.
For any London business running an office contract, the janitorial service is the foundation everything else sits on. Without it, more expensive specialist treatments are cleaning spaces that have already been allowed to deteriorate — inefficient, and more costly than maintaining standards continuously.
What janitorial services typically include
- Vacuuming all carpeted areas and mopping all hard floors on every visit
- Dusting and wiping all desk, counter and work surfaces
- Emptying and relining all waste bins throughout the building
- Full washroom cleaning and sanitisation — toilets, urinals, basins, mirrors, floors
- Restocking consumables — tissue, hand soap, paper towels, sanitiser, bin liners
- Kitchen and breakroom cleaning — surfaces, appliance exteriors, sink, bins, floor
- Reception and entrance maintenance — floor, desk, glass doors, bins
- Meeting-room reset, plus stairways, corridors and lifts on each visit
- Spot-cleaning glass partitions, door handles, switches and high-contact surfaces
Citywide's professional office cleaning service is built on a fully documented janitorial specification, produced in writing before the contract starts, so every task is defined and every visit accountable.
The Umbrella Category
What are commercial cleaning services?
Commercial cleaning services is the broader category encompassing all professional cleaning of commercial premises — any space used for business, from offices and retail units to schools, hotels, warehouses and healthcare facilities. It includes janitorial cleaning as its most common component, but extends to specialist services beyond routine maintenance. For the full picture of the category itself, our guide to what commercial cleaning covers breaks it down end to end.
When a London business engages a commercial cleaning provider, they may be contracting for any combination of the following:
Janitorial Cleaning
The ongoing, scheduled maintenance layer. Daily or regular visits covering all standard areas — the operational foundation of any programme.
Deep Cleaning
Thorough treatment beyond the daily scope — inside appliances, upholstery, high-level surfaces, behind furniture. Twice yearly for most offices.
Carpet & Floor Care
Hot-water extraction and specialist floor treatments addressing embedded dirt and staining beyond daily vacuuming.
Washroom Hygiene
Periodic descaling, sanitary bin servicing, air-freshener units and quarterly deep cleaning beyond the daily janitorial scope.
School Cleaning
Higher hygiene standards, child-safe products, term-time and holiday scheduling, and compliance with DfE guidance.
Retail & Shop
Customer-facing presentation, out-of-hours access, window frontage, changing rooms and stockroom maintenance.
Hotel & Hospitality
Guest-room turnovers, leisure-suite maintenance, food-area compliance and 24-hour operational flexibility.
After Builders
Removing construction dust, debris, adhesive residue and protective coverings before a building opens for occupancy.
The distinction that matters for any London buyer: commercial cleaning describes what is being cleaned (a commercial building), while janitorial describes how often and at what maintenance level. One is a category; the other is an operational model within it.
Side by Side
Janitorial services vs commercial cleaning
The key differences across the dimensions that matter most to London office buyers evaluating a contract.
| Dimension | Janitorial Services | Commercial Cleaning Services |
|---|---|---|
| Definition | Ongoing scheduled maintenance cleaning of a building | All professional cleaning of commercial premises — the umbrella category |
| Frequency | Daily, 3x weekly, or a set recurring schedule | Varies by service — daily (janitorial) to annual (specialist) |
| Scope | Defined per-visit task list: floors, surfaces, bins, washrooms, kitchen | Any commercial cleaning — janitorial plus all specialist services |
| Contract type | Ongoing scheduled — weekly, monthly, annual | Ongoing contract or one-off, depending on service |
| Who delivers | Dedicated operative(s) on a regular schedule | Specialist teams plus general operatives for daily work |
| Cost model | Weekly/monthly rate by scope and frequency | Contract rate for ongoing; one-off pricing for specialist |
| Does NOT cover | Deep cleans, carpets, external windows, consumables (unless specified) | Domestic (residential) cleaning — business premises only |
| Relationship | A subset of commercial cleaning | The parent category containing janitorial |
The Real Risk
Why the confusion exists — and why it matters
The terms are used interchangeably throughout the London cleaning market — by providers, buyers, and even facilities professionals who work with both daily. There are two reasons, and understanding them helps any buyer avoid the contractual gap the confusion creates.
Reason 1: Most providers offer both under the same label
A provider quoting for your building typically prices a package combining a janitorial schedule with some periodic deep cleaning, consumables and perhaps washroom hygiene. The whole thing gets labelled "commercial cleaning" on the contract, with no boundary drawn between the ongoing janitorial scope and the specialist services on top.
That's the problem: when something goes wrong — the carpet is never deep cleaned, consumables run out, washroom descaling never happens — there is no written reference point to settle it. Was it included or excluded? "Commercial cleaning" tells you nothing about which tasks were agreed.
Reason 2: Buyers do not ask for specifics upfront
Most offices sign on a price per visit and a verbal description. The written contract follows as a standard template with minimal customisation. Janitorial tasks are assumed, specialist services unmentioned, exclusions unlisted. Knowing how to choose a cleaning company — and what to insist on before signing — is the single best protection against this.
Decision
Which does your London office need?
For most London offices: both, structured correctly. A janitorial contract as the permanent foundation, with specialist services scheduled periodically on top.
You need a janitorial service if:
- You have more than five regularly occupied desks, used three or more days a week
- You have washrooms and a kitchen used by multiple staff daily
- You have a client-facing reception or meeting rooms needing a consistent standard
- You're relying on staff to manage cleaning — which costs more than it saves once their time is properly costed
- You've had inconsistent results from an ad-hoc arrangement and need a supervised alternative
You need specialist commercial cleaning if:
- Carpeted areas haven't been professionally cleaned in six to twelve months
- Washrooms need descaling, sanitary bin replacement or air-freshener servicing beyond the daily clean
- You're moving in and need a one-off deep cleaning services treatment before occupancy
- You're vacating premises and need an end of tenancy commercial cleaning to meet lease obligations
- You've had construction or fit-out work and need an after builders clean before staff return
- You run a school, hotel, retail or hospitality venue with sector-specific compliance
Budget is usually the next question — and it depends far more on scope and frequency than a single headline rate. Our breakdown of how much office cleaning costs in London walks through the variables before you request a quote.
London Coverage
Commercial cleaning and janitorial services across London
Citywide delivers professional office cleaning and janitorial services across all Central London zones and surrounding areas, with management oversight and rapid-response account management throughout the capital.
Our Approach
How Citywide structures both services
Engage Citywide for your London office and you receive a single managed contract combining a fully specified janitorial programme with access to the full range of specialist services — each documented separately, so there's no ambiguity about what's included, how often and at what cost. Every contract includes:
- A written janitorial specification produced before the contract starts — every area, task and frequency
- DBS-checked, COSHH-trained operatives assigned on a defined schedule
- Same-day absence cover as a contractual obligation — not an informal assurance
- A named account manager who inspects on site and produces written QA reports
- A clear written schedule of any periodic specialist services, with frequency and cost confirmed upfront
- All exclusions stated explicitly, so there are no invoice surprises later
22+ years delivering office cleaning in London means we've seen every version of the janitorial-versus-commercial confusion — and built our contracts to eliminate it.
FAQ
Frequently asked questions
Are janitorial services the same as commercial cleaning?
Not exactly. Janitorial services are a type of commercial cleaning — the ongoing, scheduled maintenance layer. Commercial cleaning is the broader category that also includes deep cleaning, carpet cleaning and washroom hygiene. Every janitorial service is commercial cleaning, but not every commercial cleaning service is janitorial.
What does a janitorial cleaning contract include for a London office?
All routine per-visit tasks: vacuuming and mopping floors, wiping and dusting surfaces, emptying and relining bins, full washroom sanitisation, kitchen cleaning, restocking consumables, and maintaining reception and entrances. Anything beyond this — interior appliance cleaning, deep carpet treatment, external windows, specialist sanitisation — is typically excluded and priced separately within a broader commercial cleaning programme.
How often should janitorial services visit a London office?
For a fully occupied five-day office, daily cleaning is the professional standard. For hybrid offices at 50–70% capacity across three or four days, three visits a week with daily attention to washrooms and kitchens usually meets the need. Frequency should reflect actual current occupancy, not a pre-pandemic baseline — Citywide reviews it at every renewal.
What specialist services does a London office typically need beyond janitorial?
Most offices need professional carpet cleaning for offices one to two times yearly, a full deep clean at least twice a year, periodic washroom hygiene servicing, and specialist treatments at lease events — end of tenancy, post-construction or pre-occupancy. The exact schedule depends on size, occupancy and the nature of the business.
Do I need a different provider for janitorial and specialist cleaning?
No. Citywide provides both under a single contract, each service documented separately so scope, frequency and cost are clear. One provider for both layers simplifies vendor management, improves coordination, and means the team running your daily clean also understands the periodic schedule.
Are cleaning services for schools and retail the same as office janitorial?
No. School cleaning must meet DfE hygiene guidance, use child-safe products and accommodate term-time scheduling. Retail prioritises customer-facing presentation, out-of-hours access and shopfloor turnover. Hotel and hospitality needs 24-hour flexibility, room turnovers and food-hygiene compliance. Citywide tailors operatives and specifications to each sector.
Ready When You Are
One contract. Every cleaning service your London office needs.
Fully managed janitorial and specialist commercial cleaning across London — a written specification covering every task, same-day absence cover, named account management, and 22+ years delivering office cleaning in London businesses rely on.
