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Company No. 13569729 · Incorporated 17 Aug 2021

Old Mill Audit Limited

Registered name: OLD MILL AUDIT LIMITED

Part of Kinbrook Holdings Limited group

Old Mill Audit Limited made £3.1m revenue and £495k profit in the year to 30 Oct 2025.

Old Mill Audit Limited’s revenue was £3.1m in the year to 30 Oct 2025, with £495k profit and 5 employees. The company is classified under “accounting and auditing activities” and is based in Yeovil; we hold 4 years of its filed accounts.

Status
Active
Location
Yeovil
Age
5 yrs · since 2021
Type
Private Limited Company
Latest accounts · year to 30 Oct 2025

Key figures

Revenue
£3.1m
Growth —
Profit
£495k
Growth —
Profit margin
15.9%
Gross 52.1%
Employees
5
Change —
Profit / employee
£98.9k
Revenue/employee £621k
Profitable streak
1yr
Consecutive profitable years in our data
4 filed years

Financial history

Multi-year financials, oldest to newest
Year to30 Jun 202330 Jun 202430 Oct 202430 Oct 2025
DisclosureFull P&LFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£1.4m£1.5m£1.5m£3.1m
Cost of sales−£986k−£969k−£969k−£1.5m
Gross profit£408k£512k£512k£1.6m
Operating profit£48.2k−£56.9k−£56.9k£812k
Profit before tax−£8.1k−£153k−£153k£690k
Profit after tax−£19.6k−£152k−£152k£495k
Profit (best available)−£19.6k−£152k−£152k£495k
Employees (average)6555
Ratios
Profit margin−1.4%−10.3%−10.3%15.9%
Gross margin29.3%34.5%34.5%52.1%
Revenue per employee£232k£296k£296k£621k
Profit per employee−£3.3k−£30.4k−£30.4k£98.9k
Growth (year on year)
Revenue growth—▲6.2%——
Headcount growth—▼16.7%——
Balance sheet — indirect signals, not revenue
Net assets————
SourceAccounts · bulk data Mar 2025Accounts · bulk data Mar 2025Accounts · bulk data May 2026Accounts · bulk data May 2026
Derived from the latest filing

How the business works

Profit margin
15.9%
Profit ÷ revenue.
Gross margin
52.1%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£621k
Revenue ÷ average employees.
Profit per employee
£98.9k
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 5
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Kinbrook Holdings Limitedultimate parent75–100%
  2. Kinbrook Midco 1 Limited75–100%
  3. Kinbrook Midco 2 Limited75–100%
  4. Kinbrook Group Limited75–100%
  5. Old Mill Topco Limited75–100%
  6. Old Mill Audit Limitedthis 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).

Sources

Latest figures from accounts for the year to 30 Oct 2025 (profit £495k), from the Companies House accounts bulk data published May 2026. 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.