- Companies
- Machinery repair and installation
- Lymington
- Keef Marine Ltd
Keef Marine Ltd
- Company number
- 14912800
- Incorporated
- 4 Jun 20233 years trading
- Registered office
- 21 Northfield Road, Milford on Sea, Lymington, SO41 0RE
- Nature of business
- Repair and maintenance of ships and boats
Keef Marine Ltd is a 3-year-old private limited company registered in Lymington, company number 14912800, one of 25 machinery repair and installation companies in Lymington. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Keef Marine LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £1,832 (-616.8%) on the year before, to -£1,535.
- Current assets of £2,808 against £7,703 owed within a year: 0.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£1,535 | £2,808 | £7,703 | 1 | |
| 30 Jun 2024 | £297 | £6,361 | £10K | 1 |
Where Keef Marine Ltd is registered
The registered office is in Lymington (SO41), in the New Forest local authority area, South East. Show SO41 0RE on a map.
Other trade companies in SO41
- Romero Construction LtdBuilders
- Sea Glass Zero LimitedLandscapers and gardeners
- Vincent's Auto Repairs LtdMechanics and garages
- Buckland Homes LtdProperty developers
- Deep Blue Navigation LtdElectricians
- Tyre Brothers LtdMechanics and garages
- Bull Cleaning Solutions LtdCleaning companies
- Harbour & House LtdProperty developers
What happens if Keef Marine 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | 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
- 14912800
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 2023 (3 years ago)
- Registered office
- 21 Northfield Road, Milford on Sea, Lymington, SO41 0RE
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 3 June 2026
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 Lymington
Other active machinery repair and installation companies registered in Lymington.
- Nick Webb Ltd2017
- Owen Haisell Services Ltd2013
- Pisces Marine Limited2010
- Power Afloat Limited1999
- R.S. Marine Services Limited2005
- Ribs Marine Limited2018
- Riverbank Ltd2016
- Sal Marine Limited2003
All machinery repair and installation companies in Lymington · All trades in Lymington · Machinery repair and installation across the UK
Frequently asked questions
When are Keef Marine Ltd's accounts due?
Keef Marine Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Keef Marine Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Keef Marine Ltd still trading?
Keef Marine 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 Keef Marine Ltd do?
Keef Marine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Keef Marine Ltd?
Keef Marine Ltd was incorporated on 4 June 2023, 3 years ago.
What is the penalty if Keef Marine 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 Keef Marine 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.