- Companies
- Specialist contractors
- Plymouth
- Abmaritime Ltd
Abmaritime Ltd
- Company number
- 16343860
- Incorporated
- 26 Mar 20251 year trading
- Registered office
- C/O Westcotts (SW) LLP Plym House, 3 Longbridge Road, Marsh Mills, Plymouth, Devon, PL6 8LT
- Nature of business
- Other specialised construction activities n.e.c.; Other engineering activities
Abmaritime Ltd is a 1-year-old private limited company registered in Plymouth, company number 16343860, one of 113 specialist construction companies in Plymouth. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Who runs and owns Abmaritime Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** B*** | Director | Mar 2025 |
| S*** B*** | Director | Mar 2025 |
People with significant control (2)
Where Abmaritime Ltd is registered
The registered office is in Plymouth (PL6), in the Plymouth local authority area, South West. Show PL6 8LT on a map.
Other trade companies in PL6
- Transit Garage SW LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- A-Frame Scaffolding LimitedScaffolders
- SW Plantroom Partners LtdPlumbers and heating engineers
- Trueline (SW) LtdJoiners and carpenters
- Prime Plumbing & Heating SW LtdPlumbers and heating engineers
- New Cut Carpentry LimitedJoiners and carpenters
- Sos 360 LtdBuilders
Also registered at this address
11 other companies use the same registered office as Abmaritime Ltd.
- Ace Plastering SW LtdPlasterers
- Claremont Marine Services LimitedCivil engineering
- Crownhill MOT Centre LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- Ferati LimitedCivil engineering
- Gosling and Gosling LimitedProperty developers
- Newton Riverside Builders LimitedJoiners and carpenters
- Ottowa LimitedProperty developers
- Sleep & Hill Motors LimitedMotor traders
- Twinavon Developments LimitedBuilders
- Viburnum (Okehampton) LimitedBuilders
What happens if Abmaritime 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16343860
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2025 (1 year ago)
- Registered office
- C/O Westcotts (SW) LLP Plym House, 3 Longbridge Road, Marsh Mills, Plymouth, Devon, PL6 8LT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 25 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Plymouth
Other active specialist construction companies registered in Plymouth.
- Adz Property Developments Ltd2025
- Aerial Contact Ltd2019
- Ak Building & Construction Services Limited2026
- Alb Steel Fixers Limited2023
- All at Sea Ltd2016
- Allen Welding Limited1999
- Arborcure Building Maintenance Limited2025
- Buildx (SW) Ltd2020
All specialist construction companies in Plymouth · All trades in Plymouth · Specialist contractors across the UK
Frequently asked questions
When are Abmaritime Ltd's accounts due?
Abmaritime Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Abmaritime Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Abmaritime Ltd still trading?
Abmaritime 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 Abmaritime Ltd do?
Abmaritime Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other engineering activities (SIC 71129).
How old is Abmaritime Ltd?
Abmaritime Ltd was incorporated on 26 March 2025, 1 year ago.
Who runs Abmaritime Ltd?
Abmaritime Ltd has 2 active directors, the longest-serving appointed in Mar 2025. Their names and service addresses are on the Companies House register.
Who owns Abmaritime Ltd?
2 people or companies have significant control of Abmaritime Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Abmaritime 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 Abmaritime 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.