Annual accounts
Total Exemption Full accounts
31/03/2027Filing deadline
- Next accounts made up to
- 30/06/2026
- Last accounts made up to
- 30/06/2025
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Confirmation statement made on 2026-03-02 with no updates
Change of details for Mr Nicolas Wsewolod Sassow as a person with significant control on 2026-03-30
Change of details for Mrs Sandra Emily Sassow as a person with significant control on 2026-02-06
Termination of appointment of Nicolas Wsewolod Sassow as a director on 2025-12-16
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Total Exemption Full accounts
31/03/2027Filing deadline
Confirms the registry record is up to date
16/03/2027Filing deadline
The latest figures SEAB POWER LTD filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
2024: £443.41K
Total Assets
2024: £1.30M
Cash in Bank
2024: £16.79K
Total Liabilities
2024: £854.03K
Employees
2024: 5
Of the 4 measures with an earlier filing to compare against, 4 fell. Total assets moved furthest, down 23.11% on 2024. See the full financial analysis for SEAB POWER LTD.
The full financial record
Four ways through SEAB POWER LTD's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 3 | -2 |
| 2024 | 5 | -6 |
| 2023 | 11 | +3 |
| 2022 | 8 | +2 |
| 2021 | 6 | – |
Reported employee count decreased from 6 in 2021 to 3 in 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 24/06/2019–25/10/2019 | 7 | |
| Director | 20/06/2024–02/04/2025 | 7 | |
| Director | 01/06/2018–16/12/2025 | 4 | |
| Director | 24/06/2019–24/10/2022 | 6 | |
| Director | 01/06/2018–Present | 5 | |
| Secretary | 01/06/2018–Present | 0 | |
| Director | 24/06/2019–08/07/2020 | 0 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 01/06/2018–Present | 4 | |
| 01/06/2018–Present | 5 |
Every document on the Companies House record, newest first.
Confirmation statement made on 2026-03-02 with no updates
Change of details for Mr Nicolas Wsewolod Sassow as a person with significant control on 2026-03-30
Change of details for Mrs Sandra Emily Sassow as a person with significant control on 2026-02-06
Termination of appointment of Nicolas Wsewolod Sassow as a director on 2025-12-16
Total exemption full accounts made up to 2025-06-30
Registered office address changed from 90a High Street Berkhamsted Hertfordshire HP4 2BL to 3rd Floor 86-90 Paul Street London Greater London EC2A 4NE on 2025-09-30
Change of details for Mr Nicolas Wsewolod Sassow as a person with significant control on 2025-09-30
Change of details for Mrs Sandra Emily Sassow as a person with significant control on 2025-09-30
Secretary's details changed for Mrs Sandra Emily Sassow on 2025-09-30
Director's details changed for Mrs Sandra Emily Sassow on 2025-09-30
Director's details changed for Mr Nicolas Wsewolod Sassow on 2025-09-30
Total exemption full accounts made up to 2024-06-30
Showing 12 of 34 filings
See when the next accounts and confirmation statement are due
171 UK companies are similar to SEAB POWER LTD, sharing the same company status (Active), the same industry sector and activity group (Manufacture of other special-purpose machinery n.e.c.) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
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. Hunter Avenue, Loanhead EH20 9SL
Charles Lake House, Claire Causeway, Crossways Business Park, Dartford, Kent DA2 6QA
A short description of the company, written from its Companies House record.
SEAB POWER LTD is a private limited company registered in the United Kingdom, based in 3rd Floor 86-90 Paul Street, London, Greater London EC2A 4NE. Companies House classifies its business as Manufacture of other special-purpose machinery n.e.c., one of 4 SIC classifications on its record. It has been on the register for 8 years 4 months.
The register currently records it as active. Its 2025 accounts report net assets of £296.77K and 3 employees.
Answered from this company's own registry record and filed figures.
Companies House records SEAB POWER LTD under 4 registered business activities: Manufacture of other special-purpose machinery n.e.c. (28.99 - SIC 2007), Treatment and disposal of non-hazardous waste (38.21 - SIC 2007), Remediation activities and other waste management services (39.00 - SIC 2007) and Environmental consulting activities (74.90/1 - SIC 2007).
SEAB POWER LTD is recorded as active on the Companies House register, and has been on it since 01/06/2018.
The most recent accounts Okredo holds cover 2025 and report net assets of £296.77K, total assets of £997.82K, cash in bank of £8.60K and total liabilities of £701.05K.
The most recent document on the record is dated 30/03/2026: Confirmation statement made on 2026-03-02 with no updates, 6 months ago.
On the current registry record, accounts are due by 31/03/2027 and the next confirmation statement is due by 16/03/2027.
Companies House lists 7 officers (2 currently in post) and 2 people with significant control.