RD123 Ltd
- Company number
- NI731175
- Incorporated
- 7 Jul 20251 year trading
- Registered office
- 278B Whitewell Road, Newtownabbey, BT36 7NL
- Nature of business
- Repair and maintenance of aircraft and spacecraft
RD123 Ltd is a 1-year-old private limited company registered in Newtownabbey, company number NI731175, one of 20 machinery repair and installation companies in Newtownabbey. Its next accounts are due at Companies House on 7 April 2027, and its first CT600 is due at HMRC on 6 July 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.
Is this your company?
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Where RD123 Ltd is registered
The registered office is in Newtownabbey (BT36), in the Belfast local authority area, Northern Ireland. Show BT36 7NL on a map.
Other trade companies in BT36
- C2 Repairs LtdGlaziers
- BNB Electrical LimitedElectricians
- NI.Consultancy2026 LtdSpecialist contractors
- B2 Property Group LtdFinishing trades
- Colin McGlinchey LtdMachinery repair and installation
- Mac’S Maintenance LtdFinishing trades
- Glaze and Frame Direct LtdGlaziers
- JH Site Maintenance LtdFacilities management
What happens if RD123 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 7 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Apr 2027 to 7 May 2027 | £150 |
| 1 to 3 months late | 8 May 2027 to 7 Jul 2027 | £375 |
| 3 to 6 months late | 8 Jul 2027 to 7 Oct 2027 | £750 |
| More than 6 months late | From 8 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI731175
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 July 2025 (1 year ago)
- Registered office
- 278B Whitewell Road, Newtownabbey, BT36 7NL
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 31 July (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 Newtownabbey
Other active machinery repair and installation companies registered in Newtownabbey.
- S.M. Components Ltd2012
- W. Hall Limited1977
- Abbey Craft Pool & Snooker Ltd2024
- Airport Technical Service Limited2012
- Baj Aviation Limited2025
- Belfast Electrical Services Ltd2025
- Central Fire Protection (NI) Ltd2013
- CG Service (N. Ireland) Ltd2010
All machinery repair and installation companies in Newtownabbey · All trades in Newtownabbey · Machinery repair and installation across the UK
Frequently asked questions
When are RD123 Ltd's accounts due?
RD123 Ltd's next accounts are due at Companies House by 7 April 2027 (in 177 days), covering the period to 31 July 2026.
When is RD123 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 6 July 2026, due by 6 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is RD123 Ltd still trading?
RD123 Ltd is listed as active on the Companies House register (checked 12 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 RD123 Ltd do?
RD123 Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is RD123 Ltd?
RD123 Ltd was incorporated on 7 July 2025, 1 year ago.
What is the penalty if RD123 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 RD123 Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.