- Companies
- Civil engineering
- Seaford
- McNealys Ltd
McNealys Ltd
- Company number
- 16614686
- Incorporated
- 29 Jul 20251 year trading
- Registered office
- 72 Rookery Way, Seaford, BN25 2TD
- Nature of business
- Construction of railways and underground railways
McNealys Ltd is a 1-year-old private limited company registered in Seaford, company number 16614686, one of 7 civil engineering contractors in Seaford. Its next accounts are due at Companies House on 29 April 2027, and its first CT600 is due at HMRC on 28 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.
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Where McNealys Ltd is registered
The registered office is in Seaford (BN25), in the Lewes local authority area, South East. Show BN25 2TD on a map.
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What happens if McNealys 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 29 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Apr 2027 to 29 May 2027 | £150 |
| 1 to 3 months late | 30 May 2027 to 29 Jul 2027 | £375 |
| 3 to 6 months late | 30 Jul 2027 to 29 Oct 2027 | £750 |
| More than 6 months late | From 30 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
- 16614686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 July 2025 (1 year ago)
- Registered office
- 72 Rookery Way, Seaford, BN25 2TD
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Seaford
Other active civil engineering contractors registered in Seaford.
- N.F. Construction and Driveways Ltd2007
- Seaford Precison Engineering Ltd2020
- Shan Civil Engineering Consultants Limited2018
- Brian Huntly Builders Limited1999
- Cosmo Construction (UK) Ltd2013
- Firmbase Driveways & Surfacing Limited2025
All civil engineering contractors in Seaford · All trades in Seaford · Civil engineering across the UK
Frequently asked questions
When are McNealys Ltd's accounts due?
McNealys Ltd's next accounts are due at Companies House by 29 April 2027 (in 199 days), covering the period to 31 July 2026.
When is McNealys 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 28 July 2026, due by 28 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 McNealys Ltd still trading?
McNealys 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 McNealys Ltd do?
McNealys Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is McNealys Ltd?
McNealys Ltd was incorporated on 29 July 2025, 1 year ago.
What is the penalty if McNealys 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 McNealys 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.