£36k
+122%vs Mar 2025Active15085699Private limited companySwanage
SEAPLAN LIMITED
B72/10001
Summary
SEAPLAN LIMITED is an active private limited company (company number 15085699) incorporated on 21 August 2023, registered in Swanage. Its registered activity is other engineering activities (SIC 71129). Latest small accounts cover the period ending 31 March 2026, showing net assets of £36k and cash of £21k, with 2 employees on average. Net assets rose 122% on the prior period (£16k).
Peer position · net assets
By net assets it sits in the upper half of 3,739 comparable companies in Other (median £8,713, upper quartile £50k).
02
Key dates
- Incorporated
- 21 August 20233 yrs ago
- Next accounts due
- 31 December 2027in 435 days
- Confirmation statement due
- 4 September 2027in 317 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 71129
- Other engineering activities
- SIC 74100
- Specialised design activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£21k
−43%vs Mar 2025Not reported
2
No changevs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £36k | £21k | £41k | — | — | — | 2 |
| 31 March 2025 | £16k | £36k | £3,891 | — | — | — | 2 |
Cash per employee£10kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
72 / 100 · grade B
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £35,930 at 2026-03-31 |
| +8 | Net assets growing+121.6% vs prior period |
| +4 | Past first filingsIncorporated 2023-08-21 |
| 72 | Score, grade B |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Mr James Ewart Milligan Mack
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Mrs Claire Marie Mack
- 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.
07
Timeline
- Next accounts duein 435 days
- Confirmation statement duein 317 days
- Accounts period endNet assets £36k · small accounts
- Accounts period endNet assets £16k · small accounts
- Incorporated
08
Similar companies in the UK
- HLK PROPERTY SERVICES LTDMarch · inc. Aug 2023
- SAFFA COOLING LTDCheltenham · inc. Aug 2023
- STEPHEN HEMMS AERIAL INTEGRITY SERVICES LTDGloucester · inc. Aug 2023
- JMCH LTDElgin · inc. Aug 2023
- LYTMO SERVICES LTDHessle · inc. Aug 2023
- OPTIMA PRO UK LIMITEDLowestoft · inc. Aug 2023
All companies incorporated on 21 August 2023 · in Aug 2023.
09
Reminders for SEAPLAN LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.