WATERWHELM LTD
Company number SC614848 · Active · Edinburgh EH4 2HS
WATERWHELM LTD is an active private limited company (company number SC614848) incorporated on 28 November 2018, registered in Edinburgh. Its registered activity is water collection, treatment and supply (SIC 36000). Latest small accounts cover the period ending 30 November 2025, showing net assets of £1.28m and cash of £897k, with 17 employees on average. Net assets rose 261% on the prior period (£354k).
By net assets it sits in the top quarter of 1,017 comparable companies in the UK (median £5,106, upper quartile £75k).
Key dates
- Incorporated
- 28 November 2018
- Next accounts due
- 30 August 2027 — in 312 days
- Confirmation statement due
- 12 December 2026 — in 51 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 36000
- Water collection, treatment and supply
- SIC 71121
- Engineering design activities for industrial process and production
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- Small (Companies Act thresholds)
Financials — 2 periods on record, latest ending 30 November 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £1.28m | £897k | £353k | £151k | — | — | 17 |
| 30 November 2024 | £354k | £413k | £52k | £58k | — | — | 10 |
- Current ratio
- 8.3 — comfortable
- Cash per employee
- £53k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 88/100 (grade A)
- +10 Positive net assets — Net assets £1,277,258 at 2025-11-30
- +8 Net assets growing — +260.8% vs prior period
- +8 Comfortable liquidity — Current ratio 8.3
- +4 Cash reserves — Cash £896,833
- +8 Established — Incorporated 2018-11-28 (8 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Dr. Alireza Abbassi Monjezi — owns 50–75% of shares; holds 50–75% of voting rights · since 28 November 2018
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Edinburgh
Same activity (water collection, treatment and supply), closest in incorporation date.
- CLEAN WATER WAVE C.I.C. — Edinburgh, inc. Jul 2017
- GREENSKILL ENVIRONMENTAL TECHNOLOGY LIMITED — Edinburgh, inc. Jul 2021
- ALBAGAIA LIMITED — Linlithgow, inc. May 2012
- CALEDONIAN WATER SERVICES LIMITED — Edinburgh, inc. Oct 2025
- AQUACLEAR SC LTD — Edinburgh, inc. Nov 2009
- JINKIE SPRING WATER LIMITED — Haddington, inc. Jan 2008
All companies incorporated on 28 November 2018 · in Nov 2018.
Reminders for WATERWHELM LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.