- Companies
- Civil engineering
- Lisburn
- Abco Marine Services Ltd
Abco Marine Services Ltd
- Company number
- NI670545
- Incorporated
- 25 Jun 20206 years trading
- Registered office
- 282 Moira Road, Lisburn, Antrim, BT28 2TU
- Nature of business
- Construction of water projects; Other specialised construction activities n.e.c.
Abco Marine Services Ltd is a 6-year-old private limited company registered in Lisburn, company number NI670545, one of 26 civil engineering contractors in Lisburn. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 up £87K (+621.8%) on the year before, to £101K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £178K against £84K owed within a year: 2.1 times cover.
- 11 employees on average, up from 9 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £101K | £1,502 | £178K | £84K | 11 |
| 30 Apr 2024 | £14K | £21K | £74K | £60K | 9 |
| 30 Apr 2023 | £20K | £26K | £41K | £21K | 7 |
| 30 Apr 2022 | £25K | £34K | 6 | ||
| 30 Apr 2021 | £13K | £36K | 6 |
Public contracts won
Abco Marine Services Ltd has one public sector contract award on record; the ones with their own published value total £1.3M (2024). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Department for Communities | DfC Lagan Weir Operational Services Contract 2024 – 2028 | £1.3M | 26 Oct 2024 |
Where Abco Marine Services Ltd is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 2TU on a map.
Other trade companies in BT28
- Lisburn Autohub LtdMotor traders
- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
Also registered at this address
3 other companies use the same registered office as Abco Marine Services Ltd.
- Abco Divers LimitedSpecialist contractors
- De Romein Nearshore Ltd.Civil engineering
- DRG Assets Ltd.Machinery repair and installation
What happens if Abco Marine Services 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- NI670545
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2020 (6 years ago)
- Registered office
- 282 Moira Road, Lisburn, Antrim, BT28 2TU
- Nature of business
- Construction of water projects (SIC 42910)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 24 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Lisburn
Other active civil engineering contractors registered in Lisburn.
- Armstrong Surfacing Ltd2017
- Ashderg Contracts Limited2023
- Clad Fix Contracts Ltd2009
- D G Green & Sons Limited2016
- DD Contracts(NI) Ltd2020
- De Romein Nearshore Ltd.2022
- Englishsignalling Ltd2025
- Gja Contracts Limited2016
All civil engineering contractors in Lisburn · All trades in Lisburn · Civil engineering across the UK
Frequently asked questions
When are Abco Marine Services Ltd's accounts due?
Abco Marine Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Abco Marine Services Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Abco Marine Services Ltd still trading?
Abco Marine Services 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 Abco Marine Services Ltd do?
Abco Marine Services Ltd is registered under Construction of water projects (SIC 42910); Other specialised construction activities n.e.c. (SIC 43999).
How old is Abco Marine Services Ltd?
Abco Marine Services Ltd was incorporated on 25 June 2020, 6 years ago.
Has Abco Marine Services Ltd won public sector contracts?
Yes. Abco Marine Services Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.3M), most recently from Department for Communities.
What is the penalty if Abco Marine Services 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 Abco Marine Services 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.