How much does The Testing Lab PLC make?

The Testing Lab PLC reported revenue of £2.8m and £758k profit in the year to 31 Mar 2026, according to its accounts filed at Companies House.

How many employees does The Testing Lab PLC have?

The Testing Lab PLC reported an average of 101 employees in the year to 31 Mar 2026.

Is The Testing Lab PLC profitable?

Yes — The Testing Lab PLC reported a profit of £758k in the year to 31 Mar 2026.

Company No. 07352591 · Incorporated 20 Aug 2010

The Testing Lab PLC

Registered name: THE TESTING LAB PLC

The Testing Lab PLC made £2.8m revenue and £758k profit in the year to 31 Mar 2026. read from filing text

The Testing Lab PLC’s revenue was £2.8m in the year to 31 Mar 2026, with £758k profit and 101 employees. The company is classified under “environmental consulting activities” and is based in Doncaster; we hold 5 years of its filed accounts.

Full P&L filedSection M · Professional, scientific and technical activitiesSIC 74901Environmental consulting activities

Status: Active
Location: Doncaster, Yorkshire and The Humber
Age: 16 yrs · since 2010
Type: Public Limited Company

Latest accounts · year to 31 Mar 2026

Key figures

IndependentCash flow filed

Revenue

£2.8m

Growth —

Profit

£758k

Growth —

Profit margin

27.4%

Gross 62.9%

Employees

101

Change —

Profit / employee

£7.5k

Revenue/employee £27.4k

Profitable streak

1yr

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	29 Sep 2022	29 Sep 2023	29 Sep 2024	29 Sep 2025	31 Mar 2026
Disclosure	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£3.5m	£5.2m	£7.9m	£5.2m	£2.8m
Cost of sales	£2.1m	£2.6m	£3.3m	£3.5m	£1m
Gross profit	£1.4m	£2.6m	£4.6m	£1.6m	£1.7m
Operating profit	£60.2k	£1m	£2.8m	−£363k	£897k
Profit before tax	£54.3k	£961k	£2.7m	−£478k	£855k
Profit after tax	£13.1k	£735k	£2m	−£233k	£758k
Profit (best available)	£13.1k	£735k	£2m	−£233k	£758k
Employees (average)	70	83	86	95	101
Ratios
Profit margin	0.4%	14.2%	25.3%	−4.5%	27.4%
Gross margin	39.6%	50.6%	58.2%	31.9%	62.9%
Revenue per employee	£50.2k	£62.6k	£92.3k	£54.4k	£27.4k
Profit per employee	£188	£8.9k	£23.4k	−£2.5k	£7.5k
Cash conversion	—	−86.5%	−88.8%	—	14.9%
Growth (year on year)
Revenue growth	—	▲47.7%	▲52.9%	▼34.9%	—
Profit growth	—	▲5493%	▲173.4%	▼111.6%	—
Headcount growth	—	▲18.6%	▲3.6%	▲10.5%	—
Balance sheet — indirect signals, not revenue
Cash at bank	£142k	£435k	£2m	£1.5m	£1.4m
Net assets	£459k	£1.2m	£3m	£2.7m	£3.6m
Fixed assets	£511k	£849k	£1.6m	£1.3m	£1.2m
Current assets	£1.1m	£1.8m	£4m	£2.9m	£4m
Debtors	£896k	£1.3m	£1.8m	£1.2m	£1.3m
Cash from operations	—	−£866k	−£2.4m	−£217k	£134k
Source	FullAccounts · bulk data Nov 2023	FullAccounts · bulk data Nov 2023	FullAccounts · bulk data Jan 2025	FullAccounts · bulk data Mar 2026	FullAccounts · bulk data Jun 2026

Derived from the latest filing

How the business works

Profit margin: 27.4%; Profit ÷ revenue.
Gross margin: 62.9%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £27.4k; Revenue ÷ average employees.
Profit per employee: £7.5k; Profit ÷ average employees.
Cash conversion: 14.9%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 44%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 48.3%; 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 £3.6m
Cash at bank: —; Now £1.4m
Headcount: —; Now 101
Deferred income: —; Now —
Fixed assets: —; Now £1.2m

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £758k), from the Companies House accounts bulk data published Jun 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.