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Company No. 00358002 · Incorporated 2 Dec 1939

Johns Manville Limited

Registered name: JOHNS MANVILLE LIMITED

Part of Berkshire Hathaway Inc group

Johns Manville Limited made £202k revenue and £5.3k profit in the year to 31 Dec 2024. read from filing text

Johns Manville Limited’s revenue grew 1% to £202k in the year to 31 Dec 2024, with £5.3k profit and 1 employee. The company is classified under “other business support service activities” and is based in Wrexham; we hold 3 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 82990Other business support service activities n.e.c.
Status
Active
Location
Wrexham, Wales
Age
86 yrs · since 1939
Type
Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “The ultimate parent company and controlling party is Berkshire Hathaway Inc., a company incorporated in the United States of America.”

Latest accounts · year to 31 Dec 2024

Key figures

Small teamOperating leverageDoing more with less
Revenue
£202k
Growth ▲1.1%
Profit
£5.3k
Growth ▲11.1%
Profit margin
2.6%
 
Employees
1
Change ▼66.7%
Profit / employee
£5.3k
Revenue/employee £202k
Profitable streak
3yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202231 Dec 202331 Dec 2024
DisclosureFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing text
Profit & loss
Revenue (turnover)£200k£200k£202k
Operating profit£6.5k£5.7k£6.5k
Profit before tax£6.6k£6.7k£7.5k
Profit after tax£4.9k£4.7k£5.3k
Profit (best available)£4.9k£4.7k£5.3k
Employees (average)331
Ratios
Profit margin2.4%2.4%2.6%
Revenue per employee£66.5k£66.8k£202k
Profit per employee£1.6k£1.6k£5.3k
Growth (year on year)
Revenue growth—▲0.4%▲1.1%
Profit growth—▼2.9%▲11.1%
Headcount growth—0%▼66.7%
Balance sheet — indirect signals, not revenue
Cash at bank£39.9k£39k£43.5k
Net assets£33.5k£38.3k£43.5k
Current assets£67.6k£63k£68.6k
Debtors£27.7k£24.1k£25.1k
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2025
Derived from the latest filing

How the business works

Profit margin
2.6%
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£202k
Revenue ÷ average employees.
Profit per employee
£5.3k
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
12.4%
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
▲14%
Now £43.5k
Cash at bank
▲12%
Now £43.5k
Headcount
▼67%
Now 1
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Berkshire Hathaway Inc (registered outside the UK register)ultimate parent75–100%
  2. Johns Manville Limitedthis company

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

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Latest figures from FullAccounts for the year to 31 Dec 2024 (profit £5.3k), from the Companies House accounts bulk data published Sep 2025. Spotted an error? Request a correction.

Updated from Companies House on 11 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.