How much does J.t.mackley & Co.limited make?

J.t.mackley & Co.limited reported revenue of £48.2m and £366k profit in the year to 28 Dec 2025, according to its accounts filed at Companies House.

How many employees does J.t.mackley & Co.limited have?

J.t.mackley & Co.limited reported an average of 182 employees in the year to 28 Dec 2025.

Is J.t.mackley & Co.limited profitable?

Yes — J.t.mackley & Co.limited reported a profit of £366k in the year to 28 Dec 2025.

Company No. 00258810 · Incorporated 4 Sep 1931

J.t.mackley & Co.limited

Registered name: J.T.MACKLEY & CO.LIMITED

Part of Van Oord Dredging And Marine Contractors Bv group

J.t.mackley & Co.limited made £48.2m revenue and £366k profit in the year to 28 Dec 2025. read from filing text

J.t.mackley & Co.limited’s revenue fell 4% to £48.2m in the year to 28 Dec 2025, with £366k profit and 182 employees. The company is classified under “construction of other civil engineering projects” and is based in Small Dole; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 42990Construction of other civil engineering projects n.e.c.

Status: Active
Location: Small Dole, South East
Age: 95 yrs · since 1931
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 company is a”

Latest accounts · year to 28 Dec 2025

Key figures

Revenue

£48.2m

Growth ▼3.8%

Profit

£366k

Growth ▼89.4%

Profit margin

0.8%

Gross 28.6%

Employees

182

Change ▲7.7%

Profit / employee

£2k

Revenue/employee £265k

Profitable streak

4yrs

Consecutive profitable years in our data

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

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	1 Jan 2023	31 Dec 2023	29 Dec 2024	28 Dec 2025
Disclosure	Profit only	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	—	£50.2m	£50.1m	£48.2m
Cost of sales	£27.3m	£38.9m	£34.8m	£34.4m
Gross profit	—	£11.3m	£15.3m	£13.8m
Operating profit	—	£2.7m	£4.4m	£336k
Profit before tax	£1m	£2.7m	£4.7m	£486k
Profit after tax	£927k	£2m	£3.5m	£366k
Profit (best available)	£927k	£2m	£3.5m	£366k
Staff costs	£7.9m	£9.5m	£11.8m	£12.9m
Employees (average)	126	142	169	182
Ratios
Profit margin	—	4%	6.9%	0.8%
Gross margin	—	22.4%	30.6%	28.6%
Revenue per employee	—	£354k	£297k	£265k
Profit per employee	£7.4k	£14.2k	£20.5k	£2k
Growth (year on year)
Revenue growth	—	—	▼0.2%	▼3.8%
Profit growth	—	▲117.9%	▲71.2%	▼89.4%
Headcount growth	—	▲12.7%	▲19%	▲7.7%
Balance sheet — indirect signals, not revenue
Cash at bank	£3.8m	£3.3m	£4.8m	£1.5m
Net assets	£6.3m	£8.3m	£11.9m	£12.3m
Fixed assets	£3.5m	£4.7m	£5.8m	£7m
Current assets	£10.9m	£16.2m	£15.3m	£18.5m
Debtors	£2.3m	£2.3m	£2m	£3.4m
Deferred income	£210k	£332k	£303k	£351k
Source	FullAccounts · bulk data Jul 2024	FullAccounts · bulk data Jul 2024	FullAccounts · bulk data Sep 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 0.8%; Profit ÷ revenue.
Gross margin: 28.6%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £265k; Revenue ÷ average employees.
Profit per employee: £2k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 14.5%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 0.7%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 7.1%; 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: ▲3%; Now £12.3m
Cash at bank: ▼69%; Now £1.5m
Headcount: ▲8%; Now 182
Deferred income: ▲16%; Now £351k
Fixed assets: ▲21%; Now £7m

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

Van Oord Dredging And Marine Contractors Bv (registered outside the UK register)ultimate parent75–100%
Van Oord UK Limited75–100%
J.t.mackley & Co.limitedthis company

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

Subsidiaries (1)

Mackley Construction LimitedFigures not disclosed

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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 28 Dec 2025 (profit £366k), from the Companies House accounts bulk data published Sep 2026. 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.