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Company No. 07710927 · Incorporated 19 Jul 2011

Specialist Window Cleaning Limited

Registered name: SPECIALIST WINDOW CLEANING LIMITED

Part of Ocs Group Topco Limited group

Specialist Window Cleaning Limited made £9.3m revenue and £569k profit in the year to 31 Dec 2024.

Specialist Window Cleaning Limited’s revenue grew 22% to £9.3m in the year to 31 Dec 2024, with £569k profit and 137 employees. The company is classified under “window cleaning services” and is based in Ipswich; we hold 3 years of its filed accounts.

Status
Active
Location
Ipswich
Age
15 yrs · since 2011
Type
Private Limited Company
Latest accounts · year to 31 Dec 2024

Key figures

Revenue
£9.3m
Growth ▲21.6%
Profit
£569k
Growth ▲67.8%
Profit margin
6.1%
Gross 10%
Employees
137
Change ▼13.3%
Profit / employee
£4.2k
Revenue/employee £67.8k
Profitable streak
3yrs
Consecutive profitable years in our data
3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202231 Dec 202331 Dec 2024
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£4.3m£7.6m£9.3m
Cost of sales−£3.9m−£7m−£8.4m
Gross profit£389k£687k£924k
Operating profit£221k£390k£662k
Profit before tax£214k£348k£598k
Profit after tax£173k£339k£569k
Profit (best available)£173k£339k£569k
Employees (average)115158137
Ratios
Profit margin4%4.4%6.1%
Gross margin9%9%10%
Revenue per employee£37.4k£48.3k£67.8k
Profit per employee£1.5k£2.1k£4.2k
Growth (year on year)
Revenue growth——▲21.6%
Profit growth——▲67.8%
Headcount growth——▼13.3%
Balance sheet — indirect signals, not revenue
Net assets———
SourceAccounts · bulk data Oct 2024Accounts · bulk data Oct 2024Accounts · bulk data Oct 2025
Derived from the latest filing

How the business works

Profit margin
6.1%
Profit ÷ revenue.
Gross margin
10%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£67.8k
Revenue ÷ average employees.
Profit per employee
£4.2k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
—
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
—
Money owed by customers. Low = customers pay quickly.
Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets
—
Now —
Cash at bank
—
Now —
Headcount
▼13%
Now 137
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Ocs Group Topco Limitedultimate parent75–100%
  2. Ocs Holdco 1 Limited75–100%
  3. Ocs Holdco 2 Limited75–100%
  4. Ocs Holdco 3 Limited75–100%
  5. Ocs Holdco 4 Limited75–100%
  6. Ocs Parco Limited75–100%
  7. Ocs Group Holdings Limited75–100%
  8. Ocs Group Investments Limited75–100%
  9. Ocs Group International Limited75–100%
  10. Ocs Uk&i Limited75–100%
  11. Specialist Window Cleaning Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Subsidiaries (1)

Sister companies (7)

From the Persons with Significant Control register (corporate controllers only).

Sources

Latest figures from accounts for the year to 31 Dec 2024 (profit £569k), from the Companies House accounts bulk data published Oct 2025. Spotted an error? Request a correction.

Updated from Companies House on 23 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.