£1.62m
+130%vs Dec 2024Active01661817Private limited companyFarnham
R.S. AQUA LIMITED
Significant control: R.S. Aqua Holdings Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does R.S. Aqua Limited sell?
Registered activity: Manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
R.S. AQUA LIMITED is an active private limited company (company number 01661817) incorporated on 3 September 1982, registered in Farnham. Its registered activity is manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511). Latest small accounts cover the period ending 31 December 2025, showing net assets of £1.62m and cash of £1.78m, with 19 employees on average. Net assets rose 130% on the prior period (£705k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 889 comparable companies in the UK (median £28k, upper quartile £400k).
02
Ownership and control
- R.S. Aqua Holdings Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Martin Michael Stemp
- owns 50–75% of shares
- holds 50–75% of voting rights
- Mrs Ruth Stemp
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 3 September 198244 yrs ago
- Next accounts due
- 30 September 2027in 337 days
- Confirmation statement due
- 17 September 2027in 324 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 26511
- Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Small
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.78m
+154%vs Dec 2024Not reported
19
−5%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £1.62m | £1.78m | £843k | £1.68m | — | — | 19 |
| 31 December 2024 | £705k | £702k | £707k | £1.22m | — | — | 20 |
| 31 August 2023 | £613k | £841k | £843k | £1.40m | — | — | 16 |
Current ratio1.63Current assets ÷ creditors within one year
Cash per employee£94kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £1,621,783 at 31 December 2025
- Net assets up 10% or more on the prior period+130.2% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.63
- Cash at bank of £50,000 or moreCash £1,780,845
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 3 September 1982
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 337 days
- Confirmation statement duein 324 days
- Accounts period endNet assets £1.62m · small accounts
- Accounts period endNet assets £705k · small accounts
- Accounts period endNet assets £613k · small accounts
- Incorporated
08
Similar companies in Surrey
- LINKAM SCIENTIFIC INSTRUMENTS LIMITEDRedhill · inc. Oct 1982
- TESTO LIMITEDAlton · inc. Dec 1982
- SEACOUSTICS LIMITEDSelborne, Alton · inc. Oct 1987
- BROADBRIDGE PRECISION ENGINEERING LIMITEDCrawley · inc. May 1977
- MECMESIN LIMITEDSlinfold · inc. Mar 1977
- SONARDYNE INTERNATIONAL LIMITEDYateley · inc. Feb 1977
All companies incorporated on 3 September 1982 · in Sept 1982.
09
Reminders for R.S. AQUA LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.