£1.13m
−3%vs Mar 2024Active01166077Private limited companyDorchester
FLUID DYNAMICS INTERNATIONAL LIMITED
Significant control: Robert John Spencer (75–100%), Paul Stephen Spencer (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Fluid Dynamics International Limited sell?
Registered activity: Water collection, treatment and supply (SIC 36000). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
FLUID DYNAMICS INTERNATIONAL LIMITED is an active private limited company (company number 01166077) incorporated on 8 April 1974, registered in Dorchester. Its registered activity is water collection, treatment and supply (SIC 36000). Latest small accounts cover the period ending 31 March 2025, showing net assets of £1.13m and cash of £447k, with 22 employees on average. Net assets fell 3% on the prior period (£1.16m).
Peer position · net assets
By net assets it sits in the top quarter of 237 comparable companies in Other (median £3,178, upper quartile £65k).
02
Ownership and control
- Mr Robert John Spencer
- owns 75–100% of shares
- Mr Paul Stephen Spencer
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Paul Spencer
- owns 25–50% of shares
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
- 8 April 197452 yrs ago
- Next accounts due
- 31 December 2026in 63 days
- Confirmation statement due
- 22 April 2027in 175 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 36000
- Water collection, treatment and supply
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£447k
No changevs Mar 2024Not reported
22
−8%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £1.13m | £447k | £835k | — | — | — | 22 |
| 31 March 2024 | £1.16m | £448k | £878k | — | — | — | 24 |
Cash per employee£20kCash ÷ 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 £1,128,786 at 31 March 2025
- Cash at bank of £50,000 or moreCash £447,495
- Incorporated five or more years agoIncorporated 8 April 1974
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
- Confirmation statement duein 175 days
- Next accounts duein 63 days
- Accounts period endNet assets £1.13m · small accounts
- Accounts period endNet assets £1.16m · small accounts
- Incorporated
08
Similar companies in the UK
- SPRINGHEAD COMPANY LIMITEDSeaton · inc. Oct 1980
- AQUASTAL LIMITEDHigh Wycombe · inc. Oct 1983
- TREFNANNEY WATER CONSUMERS ASSOCIATION LIMITEDMeifod · inc. May 1964
- OCMIS LIMITEDEpiscopi, Martock · inc. Sept 1984
- ARNE WATER COMPANY LIMITEDWareham · inc. Aug 1987
- SOUTH WEST WATER LIMITEDExeter · inc. Apr 1989
All companies incorporated on 8 April 1974 · in Apr 1974.
09
Reminders for FLUID DYNAMICS INTERNATIONAL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.