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Company No. 04514307 · Incorporated 19 Aug 2002

Marshall Acm Ltd

Registered name: MARSHALL ACM LTD

Part of Bletchley Topco Limited group

Marshall Acm Ltd made £1.6m revenue and £787k profit in the year to 31 Dec 2025.

Marshall Acm Ltd’s revenue fell 2% to £1.6m in the year to 31 Dec 2025, with £787k profit. The company is classified under “other information service activities” and is based in Reading; we hold 3 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 63990Other information service activities n.e.c.
Status
Active
Location
Reading, South East
Age
24 yrs · since 2002
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.

Latest accounts · year to 31 Dec 2025

Key figures

Revenue
£1.6m
Growth ▼2.4%
Profit
£787k
Growth ▲93.3%
Profit margin
49.6%
Gross 85.7%
Employees
—
Change —
Profit / employee
—
 
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 202331 Dec 202431 Dec 2025
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£702k£1.6m£1.6m
Cost of sales−£92.9k−£328k−£227k
Gross profit£609k£1.3m£1.4m
Operating profit—£545k£659k
Profit before tax£109k£545k£659k
Profit after tax£83k£407k£787k
Profit (best available)£83k£407k£787k
Employees (average)———
Ratios
Profit margin11.8%25.1%49.6%
Gross margin86.8%79.8%85.7%
Growth (year on year)
Revenue growth——▼2.4%
Profit growth——▲93.3%
Balance sheet — indirect signals, not revenue
Net assets———
SourceAccounts · bulk data Oct 2025Accounts · bulk data Oct 2025Accounts · bulk data Sep 2026
Derived from the latest filing

How the business works

Profit margin
49.6%
Profit ÷ revenue.
Gross margin
85.7%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
—
Revenue ÷ average employees.
Profit per employee
—
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
—
Now —
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Bletchley Topco Limitedultimate parent75–100%
  2. Bletchley Midco Limited75–100%
  3. Bletchley Bidco Limited75–100%
  4. Ciphr Holdings Limited75–100%
  5. Ciphr Group Limited75–100%
  6. Marshall Acm Ltdthis company

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

Sister companies (5)

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Latest figures from accounts for the year to 31 Dec 2025 (profit £787k), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.