How much does Hydratron Limited make?

Hydratron Limited reported revenue of £5.5m and £212k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Hydratron Limited have?

Hydratron Limited reported an average of 24 employees in the year to 31 Dec 2025.

Is Hydratron Limited profitable?

Yes — Hydratron Limited reported a profit of £212k in the year to 31 Dec 2025.

Company No. 01548328 · Incorporated 3 Mar 1981

Hydratron Limited

Registered name: HYDRATRON LIMITED

Part of Three60 Energy Limited group

Hydratron Limited made £5.5m revenue and £212k profit in the year to 31 Dec 2025. read from filing text

Hydratron Limited’s revenue fell 11% to £5.5m in the year to 31 Dec 2025, with £212k profit and 24 employees. The company is classified under “manufacture of pumps” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection C · ManufacturingSIC 28131Manufacture of pumps

Status: Active
Location: London, London
Age: 45 yrs · since 1981
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”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-light

Revenue

£5.5m

Growth ▼11%

Profit

£212k

Growth ▼44.2%

Profit margin

3.9%

Gross 15.8%

Employees

Change ▲4.3%

Profit / employee

£8.8k

Revenue/employee £229k

Profitable streak

3yrs

Consecutive profitable years in our data

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

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£3.6m	£6.2m	£5.5m
Cost of sales	£3.2m	£5m	£4.6m
Gross profit	£395k	£1.1m	£868k
Operating profit	£51.1k	£475k	£260k
Profit before tax	£21.9k	£429k	£216k
Profit after tax	£56.3k	£379k	£212k
Profit (best available)	£56.3k	£379k	£212k
Employees (average)	23	23	24
Ratios
Profit margin	1.6%	6.2%	3.9%
Gross margin	11%	18.6%	15.8%
Revenue per employee	£157k	£268k	£229k
Profit per employee	£2.4k	£16.5k	£8.8k
Growth (year on year)
Revenue growth	—	—	▼11%
Profit growth	—	—	▼44.2%
Headcount growth	—	—	▲4.3%
Balance sheet — indirect signals, not revenue
Cash at bank	£67.4k	£15.8k	£131k
Net assets	£1.8m	£2.1m	£2.4m
Fixed assets	£21.3k	£10.4k	£0
Current assets	£5m	£5.2m	£5.5m
Debtors	£1.6m	£1.4m	£1.1m
Source	FullAccounts · bulk data Jul 2025	FullAccounts · bulk data Jul 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 3.9%; Profit ÷ revenue.
Gross margin: 15.8%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £229k; Revenue ÷ average employees.
Profit per employee: £8.8k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 20.5%; 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 £2.4m
Cash at bank: ▲728%; Now £131k
Headcount: ▲4%; Now 24
Deferred income: —; Now —
Fixed assets: ▼100%; Now £0

Corporate ownership

Group structure

Ownership chain

Three60 Energy Limitedultimate parent75–100%
Pryme Group Holdings Limited75–100%
Hydratron Limitedthis company

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

Sister companies (4)

Caley Ocean Systems LimitedRev. £19.5m · Profit £1.4m
Imes International LimitedRev. £6.9m · Profit −£125k
Sengs Engineering Solutions LimitedRev. £852k · Profit −£30.4k
G a Engineering (Group) LimitedRev. — · Profit £0

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 31 Dec 2025 (profit £212k), 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.