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Company No. 03896797 · Incorporated 20 Dec 1999

Water Treatment Products Limited

Registered name: WATER TREATMENT PRODUCTS LIMITED

Part of Sdiptech Ab (Publ) group

Water Treatment Products Limited made £12.4m revenue and £2.9m profit in the year to 31 Dec 2025. read from filing text

Water Treatment Products Limited’s revenue grew 3% to £12.4m in the year to 31 Dec 2025, with £2.9m profit and 54 employees. The company is classified under “water collection, treatment and supply” and is based in Newport; we hold 4 years of its filed accounts.

Full P&L filedSection E · Water supply, sewerage and waste managementSIC 36000Water collection, treatment and supply
Status
Active
Location
Newport, Wales
Age
26 yrs · since 1999
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 100% subsidiary of Water Treatment Products Holdings Limited.”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-light
Revenue
£12.4m
Growth ▲3.2%
Profit
£2.9m
Growth ▼2.8%
Profit margin
23.7%
Gross 58.2%
Employees
54
Change 0%
Profit / employee
£54.6k
Revenue/employee £230k
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 to31 Dec 202231 Dec 202331 Dec 202431 Dec 2025
DisclosureFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing text
Profit & loss
Revenue (turnover)£12.1m£12.7m£12m£12.4m
Cost of sales£5.7m£5.8m£5.1m£5.2m
Gross profit£6.3m£6.9m£7m£7.2m
Operating profit£3.3m£3.6m£3.6m£3.6m
Profit before tax£3.4m£3.9m£4m£3.9m
Profit after tax£2.8m£3m£3m£2.9m
Profit (best available)£2.8m£3m£3m£2.9m
Staff costs£1.9m£2m£2m£2.1m
Employees (average)59545454
Ratios
Profit margin23%23.7%25.2%23.7%
Gross margin52.6%54.4%58%58.2%
Revenue per employee£204k£235k£223k£230k
Profit per employee£47k£55.6k£56.2k£54.6k
Growth (year on year)
Revenue growth—▲5.3%▼5.1%▲3.2%
Profit growth—▲8.3%▲1%▼2.8%
Headcount growth—▼8.5%0%0%
Balance sheet — indirect signals, not revenue
Cash at bank£8.8m£8.2m£9m£7.8m
Net assets£10.7m£9.5m£10.3m£9.2m
Fixed assets£291k£472k£488k£627k
Current assets£12.4m£11.1m£11.6m£10.5m
Debtors£1.7m£1.6m£1.4m£1.4m
Deferred income£647k£570k£528k£484k
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Mar 2025FullAccounts · bulk data Feb 2026
Derived from the latest filing

How the business works

Profit margin
23.7%
Profit ÷ revenue.
Gross margin
58.2%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£230k
Revenue ÷ average employees.
Profit per employee
£54.6k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
5%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
3.9%
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
11.5%
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 £9.2m
Cash at bank
▼13%
Now £7.8m
Headcount
0%
Now 54
Deferred income
▼8%
Now £484k
Fixed assets
▲29%
Now £627k

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

  1. Sdiptech Ab (Publ) (registered outside the UK register)ultimate parent75–100%
  2. Sdip Kimra Limited75–100%
  3. Water Treatment Products Holdings Limited75–100%
  4. Water Treatment Products 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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Industry benchmarks →

Sources

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £2.9m), from the Companies House accounts bulk data published Feb 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.