How much does DD-Scientific Limited make?

DD-Scientific Limited reported revenue of £10.2m and £1.7m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does DD-Scientific Limited have?

DD-Scientific Limited reported an average of 54 employees in the year to 31 Dec 2025.

Is DD-Scientific Limited profitable?

Yes — DD-Scientific Limited reported a profit of £1.7m in the year to 31 Dec 2025.

Company No. 07593818 · Incorporated 6 Apr 2011

DD-Scientific Limited

Registered name: DD-SCIENTIFIC LIMITED

Part of Teledyne Technologies Incorporated group

DD-Scientific Limited made £10.2m revenue and £1.7m profit in the year to 31 Dec 2025.

DD-Scientific Limited’s revenue was £10.2m in the year to 31 Dec 2025, with £1.7m profit and 54 employees. The company is classified under “manufacture of electronic components” and is based in Chelmsford; we hold 5 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 26110Manufacture of electronic components

Status: Active
Location: Chelmsford, East of England
Age: 15 yrs · since 2011
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

Capital-lightCash flow filed

Revenue

£10.2m

Growth —

Profit

£1.7m

Growth —

Profit margin

16.5%

Gross 37.3%

Employees

Change —

Profit / employee

£31k

Revenue/employee £188k

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.

5 filed years

Financial history

Multi-year financials, oldest to newest
Year to	30 Apr 2022	30 Apr 2023	30 Apr 2024	30 Apr 2025	31 Dec 2025
Disclosure	No P&L	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	£10.8m	£13.1m	£14.7m	£10.2m
Cost of sales	—	£6.9m	£8.7m	£9.4m	£6.4m
Gross profit	—	£4m	£4.4m	£5.3m	£3.8m
Operating profit	—	£2.8m	£2.1m	£2.4m	£2.3m
Profit before tax	—	£2.7m	£2.1m	£2.4m	£2.3m
Profit after tax	—	£2.6m	£1.7m	£2m	£1.7m
Profit (best available)	—	£2.6m	£1.7m	£2m	£1.7m
Staff costs	—	£2.5m	£3.7m	£4.2m	£2.7m
Employees (average)	40	0	40	54	54
Ratios
Profit margin	—	23.8%	13%	13.6%	16.5%
Gross margin	—	36.8%	33.9%	36.1%	37.3%
Revenue per employee	—	—	£327k	£273k	£188k
Profit per employee	—	—	£42.3k	£37.2k	£31k
Cash conversion	—	−76.9%	−55.5%	−93.1%	−76.9%
Growth (year on year)
Revenue growth	—	—	▲20.6%	▲12.6%	—
Profit growth	—	—	▼34.4%	▲18.6%	—
Headcount growth	—	▼100%	—	▲35%	—
Balance sheet — indirect signals, not revenue
Cash at bank	£1.6m	£1.8m	£1.6m	£2.1m	£3.1m
Net assets	£1.8m	£3.1m	£4.3m	£5.1m	£6.6m
Fixed assets	£556k	£844k	£1m	£906k	£837k
Current assets	£3.5m	£4m	£5.1m	£5.8m	£7.2m
Debtors	£1.3m	£1.5m	£2.2m	£2.4m	£2.1m
Cash from operations	—	−£2.1m	−£1.2m	−£2.2m	−£1.8m
Source	FullAccounts · bulk data Jan 2024	FullAccounts · bulk data Jan 2024	FullAccounts · bulk data Jan 2025	FullAccounts · bulk data Jan 2026	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 16.5%; Profit ÷ revenue.
Gross margin: 37.3%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £188k; Revenue ÷ average employees.
Profit per employee: £31k; Profit ÷ average employees.
Cash conversion: −76.9%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 8.2%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 20.2%; 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 £6.6m
Cash at bank: —; Now £3.1m
Headcount: —; Now 54
Deferred income: —; Now —
Fixed assets: —; Now £837k

Corporate ownership

Group structure

Ownership chain

Teledyne Technologies Incorporated (registered outside the UK register)ultimate parent75–100%
Rhombi Holdings Limited75–100%
DD-Scientific Holdings Limited75–100%
DD-Scientific 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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £1.7m), from the Companies House accounts bulk data published Sep 2026. 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.