- Companies
- Machinery repair and installation
- London
- Seaa Energy Ltd
Seaa Energy Ltd
- Company number
- 16980290
- Incorporated
- 22 Jan 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Installation of industrial machinery and equipment; Production of electricity; Remediation activities and other waste management services; Engineering design activities for industrial process and production
Seaa Energy Ltd is a newly incorporated private limited company registered in London, company number 16980290, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 22 October 2027, and its first CT600 is due at HMRC on 21 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Seaa Energy Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| O*** B*** | Director | Jan 2026 |
Person with significant control
Where Seaa Energy Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Seaa Energy Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 22 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Oct 2027 to 22 Nov 2027 | £150 |
| 1 to 3 months late | 23 Nov 2027 to 22 Jan 2028 | £375 |
| 3 to 6 months late | 23 Jan 2028 to 22 Apr 2028 | £750 |
| More than 6 months late | From 23 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16980290
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Production of electricity (SIC 35110)
Remediation activities and other waste management services (SIC 39000)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Seadag Companies Group Ltd2016
- Seafleetbackbone Ltd2025
- Seamless Repairs Ltd2023
- Sean Kelly Lubrications Limited2008
- Seatbelt Services Limited2008
- Seavia Ltd2022
- Secure Flame Protection Ltd2026
- Security Systems 247 Limited2010
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Seaa Energy Ltd's accounts due?
Seaa Energy Ltd's next accounts are due at Companies House by 22 October 2027 (in 374 days), covering the period to 31 January 2027.
When is Seaa Energy Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 21 January 2027, due by 21 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Seaa Energy Ltd still trading?
Seaa Energy Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Seaa Energy Ltd do?
Seaa Energy Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Production of electricity (SIC 35110); Remediation activities and other waste management services (SIC 39000); Engineering design activities for industrial process and production (SIC 71121).
How old is Seaa Energy Ltd?
Seaa Energy Ltd was incorporated on 22 January 2026, less than a year ago.
Who runs Seaa Energy Ltd?
Seaa Energy Ltd has 1 active director, the longest-serving appointed in Jan 2026. Their names and service addresses are on the Companies House register.
Who owns Seaa Energy Ltd?
One person or company has significant control of Seaa Energy Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Seaa Energy Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Seaa Energy Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.