- Company number
- NI736298
- Incorporated
- 17 Dec 2025
- Registered office
- 28 Carleton Street, Portadown, Co. Armagh, BT62 3EP
- Nature of business
- Construction of domestic buildings
Martello (Holywood) Limited is a newly incorporated private limited company registered in Portadown, company number NI736298, one of 9 building contractors in Portadown. Its next accounts are due at Companies House on 17 September 2027, and its first CT600 is due at HMRC on 16 December 2027.
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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Where Martello (Holywood) Limited is registered
The registered office is in Portadown (BT62), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT62 3EP on a map.
Other trade companies in BT62
- Ber Plumbing & Heating LtdPlumbers and heating engineers
- JHT Ballyearl LimitedProperty developers
- Eco Groundworx LtdBuilders
- The Commercial Repair Centre LtdMechanics and garages
- P. Stewart Joinery LtdJoiners and carpenters
- Jak Motorcycle Repairs LtdMotor traders
- Autobahn Specialist Cars LtdMotor traders
- RPF Building & Joinery LtdJoiners and carpenters
Also registered at this address
14 other companies use the same registered office as Martello (Holywood) Limited.
- 66 Atelier LimitedProperty developers
- Agm Construction and Cost Management LtdProperty developers
- Beechmount (Belfast) LimitedBuilders
- C.C. & D. Properties LtdBuilders
- Cox Contracts LtdBuilders
- JC Developments (NI) LimitedBuilders
- McConville Developments LimitedBuilders
- MHM Developments LtdBuilders
- Newmac Construction LtdBuilders
- Premier Paving Contracts LtdFinishing trades
- Prempave Contracts LtdFinishing trades
- RPF Building & Joinery LtdJoiners and carpenters
- Tamnyvane LtdBuilders
- Watson Autos LimitedMechanics and garages
What happens if Martello (Holywood) Limited 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 17 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Sep 2027 to 17 Oct 2027 | £150 |
| 1 to 3 months late | 18 Oct 2027 to 17 Dec 2027 | £375 |
| 3 to 6 months late | 18 Dec 2027 to 17 Mar 2028 | £750 |
| More than 6 months late | From 18 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI736298
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 December 2025
- Registered office
- 28 Carleton Street, Portadown, Co. Armagh, BT62 3EP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Portadown
Other active building contractors registered in Portadown.
- Mervyn Clayton Developments Limited2002
- Sapphire Contracts Limited2022
- B & P McMahon Bros Ltd2014
- C.C. & D. Properties Ltd2001
- Cox Contracts Ltd2007
- DBL Donnelly Building Ltd2014
- Lisburn Astral Limited2001
- Lynhill Properties Limited2007
All building contractors in Portadown · All trades in Portadown · Builders across the UK
Frequently asked questions
When are Martello (Holywood) Limited's accounts due?
Martello (Holywood) Limited's next accounts are due at Companies House by 17 September 2027 (in 338 days), covering the period to 31 December 2026.
When is Martello (Holywood) Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 16 December 2026, due by 16 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Martello (Holywood) Limited still trading?
Martello (Holywood) Limited 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 Martello (Holywood) Limited do?
Martello (Holywood) Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Martello (Holywood) Limited?
Martello (Holywood) Limited was incorporated on 17 December 2025, less than a year ago.
What is the penalty if Martello (Holywood) Limited 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 Martello (Holywood) Limited 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.