CALMECH LTD
Company number SC690107 · Active · Edinburgh EH11 2RZ
CALMECH LTD is an active private limited company (company number SC690107) incorporated on 23 February 2021, registered in Edinburgh. Its registered activity is construction of water projects (SIC 42910). Latest small accounts cover the period ending 28 February 2025, showing net assets of £854k and cash of £653k, with 0 employees on average. Net assets rose 47% on the prior period (£581k).
By net assets it sits in the top quarter of 634 comparable companies in the UK (median £9,932, upper quartile £105k).
Key dates
- Incorporated
- 23 February 2021
- Next accounts due
- 28 November 2026 — in 37 days
- Confirmation statement due
- 9 March 2027 — in 138 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 42910
- Construction of water projects
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 28 February 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2025 | £854k | £653k | £472k | — | — | — | 0 |
| 29 February 2024 | £581k | £219k | £641k | — | — | — | 0 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 80/100 (grade A)
- +10 Positive net assets — Net assets £854,097 at 2025-02-28
- +8 Net assets growing — +47.0% vs prior period
- +4 Cash reserves — Cash £652,871
- +8 Established — Incorporated 2021-02-23 (6 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
- Mr Calum David Watson — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 23 February 2021
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 (construction of water projects), closest in incorporation date.
- C J LESLIE LTD — Broxburn, inc. Jun 2022
- RELENTLESS SOLUTIONS LIMITED — Dalkeith, inc. Jan 2019
- WASA DREDGING UK LIMITED — Edinburgh, inc. Apr 2018
- NS ENVIRONMENTAL CONSULTING LTD — Edinburgh, inc. Apr 2024
- TECH SURE ENGINEERING SERVICES LIMITED — Edinburgh, inc. Oct 2017
- EMPOWER UNITED LIMITED — Edinburgh, inc. Apr 2025
All companies incorporated on 23 February 2021 · in Feb 2021.
Reminders for CALMECH LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.