How much does Diamond Engineering Services Ltd make?

Diamond Engineering Services Ltd reported revenue of £12.6m and £1.4m profit in the year to 31 Mar 2025, according to its accounts filed at Companies House.

How many employees does Diamond Engineering Services Ltd have?

Diamond Engineering Services Ltd reported an average of 97 employees in the year to 31 Mar 2025.

Is Diamond Engineering Services Ltd profitable?

Yes — Diamond Engineering Services Ltd reported a profit of £1.4m in the year to 31 Mar 2025.

Company No. 06837452 · Incorporated 5 Mar 2009

Diamond Engineering Services Ltd

Registered name: DIAMOND ENGINEERING SERVICES LTD

Part of Diamond Engineering Group Ltd group

Diamond Engineering Services Ltd made £12.6m revenue and £1.4m profit in the year to 31 Mar 2025. read from filing text

Diamond Engineering Services Ltd’s revenue fell 20% to £12.6m in the year to 31 Mar 2025, with £1.4m profit and 97 employees. The company is classified under “manufacture of metal structures and parts of structures” and is based in Sheffield; we hold 4 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 25110Manufacture of metal structures and parts of structures

Status: Active
Location: Sheffield, Yorkshire and The Humber
Age: 17 yrs · since 2009
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 immediate”

Latest accounts · year to 31 Mar 2025

Key figures

Cash flow filed

Revenue

£12.6m

Growth ▼20%

Profit

£1.4m

Growth ▼49.9%

Profit margin

11%

Gross 31.1%

Employees

Change ▼2%

Profit / employee

£14.3k

Revenue/employee £130k

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	31 Mar 2022	31 Mar 2023	31 Mar 2024	31 Mar 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£7.8m	£10.4m	£15.8m	£12.6m
Cost of sales	£5.7m	£6.9m	£9.9m	£8.7m
Gross profit	£2.1m	£3.6m	£5.9m	£3.9m
Operating profit	£821k	£1.7m	£3.6m	£1.8m
Profit before tax	£810k	£1.7m	£3.7m	£1.8m
Profit after tax	£600k	£1.4m	£2.8m	£1.4m
Profit (best available)	£600k	£1.4m	£2.8m	£1.4m
Staff costs	£3.3m	£3.4m	£5m	£4.2m
Employees (average)	100	100	99	97
Ratios
Profit margin	7.7%	13.5%	17.5%	11%
Gross margin	27.3%	34.1%	37.2%	31.1%
Revenue per employee	£78.3k	£104k	£160k	£130k
Profit per employee	£6k	£14.1k	£27.9k	£14.3k
Cash conversion	−195.3%	−165.9%	−83.8%	−99.6%
Growth (year on year)
Revenue growth	—	▲33.3%	▲51.3%	▼20%
Profit growth	—	▲134.8%	▲96.2%	▼49.9%
Headcount growth	—	0%	▼1%	▼2%
Balance sheet — indirect signals, not revenue
Cash at bank	£644k	£1.2m	£2.9m	£1.6m
Net assets	£1.9m	£2.7m	£4.7m	£5.1m
Fixed assets	£1.5m	£2.6m	£2.8m	£2.7m
Current assets	£6.2m	£5.4m	£8.8m	£7m
Debtors	£4m	£2.3m	£3.8m	£2.7m
Deferred income	£3m	£2.4m	£2.2m	£443k
Cash from operations	−£1.6m	−£2.9m	−£3m	−£1.8m
Source	Accounts · bulk data Dec 2023	Accounts · bulk data Dec 2023	FullAccounts · bulk data Dec 2024	FullAccounts · bulk data Dec 2025

Derived from the latest filing

How the business works

Profit margin: 11%; Profit ÷ revenue.
Gross margin: 31.1%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £130k; Revenue ÷ average employees.
Profit per employee: £14.3k; Profit ÷ average employees.
Cash conversion: −99.6%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 21.4%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 3.5%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 21.5%; 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: ▲10%; Now £5.1m
Cash at bank: ▼45%; Now £1.6m
Headcount: ▼2%; Now 97
Deferred income: ▼79%; Now £443k
Fixed assets: ▼3%; Now £2.7m

Corporate ownership

Group structure

Ownership chain

Diamond Engineering Group Ltdultimate parent50–75%
Diamond Engineering Services Ltdthis 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

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £1.4m), from the Companies House accounts bulk data published Dec 2025. Spotted an error? Request a correction.

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