- Companies
- Specialist contractors
- Shaftesbury
- A.D. Costa Ltd
A.D. Costa Ltd
- Company number
- 13340318
- Incorporated
- 16 Apr 20215 years trading
- Registered office
- 11 Lyons Walk, Shaftesbury, SP7 8JF
- Nature of business
- Other specialised construction activities n.e.c.
A.D. Costa Ltd is a 5-year-old private limited company registered in Shaftesbury, company number 13340318, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 down £3,856 (-58.2%) on the year before, to £2,771.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £13K against £18K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £2,771 | £13K | £18K | 1 | |
| 30 Apr 2025 | £6,627 | £23K | £16K | 1 | |
| 30 Apr 2024 | £8,319 | £13K | £7,922 | 1 | |
| 30 Apr 2023 | £225 | £23K | £27K | 1 | |
| 30 Apr 2022 | £670 | £36K | £45K | 1 |
Where A.D. Costa Ltd is registered
The registered office is in Shaftesbury (SP7), in the Dorset local authority area, South West. Show SP7 8JF on a map.
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What happens if A.D. Costa 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 13340318
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2021 (5 years ago)
- Registered office
- 11 Lyons Walk, Shaftesbury, SP7 8JF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 8 June 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 Shaftesbury
Other active specialist construction companies registered in Shaftesbury.
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Frequently asked questions
When are A.D. Costa Ltd's accounts due?
A.D. Costa Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is A.D. Costa Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is A.D. Costa Ltd still trading?
A.D. Costa 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 A.D. Costa Ltd do?
A.D. Costa Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is A.D. Costa Ltd?
A.D. Costa Ltd was incorporated on 16 April 2021, 5 years ago.
What is the penalty if A.D. Costa 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 A.D. Costa 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.