- Companies
- Specialist contractors
- Aa Offshore Services Ltd
Aa Offshore Services Ltd
- Company number
- SC707483
- Incorporated
- 23 Aug 20215 years trading
- Registered office
- 11 Betsy Miller Wynd, Saltcoats, North Ayrshire, KA21 6GD
- Nature of business
- Other specialised construction activities n.e.c.
Aa Offshore Services Ltd is a 5-year-old private limited company registered in Saltcoats, company number SC707483, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £921 (+15.9%) on the year before, to £6,702.
- Current assets of £8,842 against £2,140 owed within a year: 4.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | £6,702 | £8,842 | £2,140 | 1 | |
| 31 Aug 2023 | £5,781 | £6,441 | £660 | 0 | |
| 31 Aug 2022 | £6,478 | £13K | £6,839 | 1 |
Where Aa Offshore Services Ltd is registered
The registered office is in Saltcoats (KA21), in the North Ayrshire local authority area, Scotland. Show KA21 6GD on a map.
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What happens if Aa Offshore 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC707483
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2021 (5 years ago)
- Registered office
- 11 Betsy Miller Wynd, Saltcoats, North Ayrshire, KA21 6GD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 22 August 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
Other active specialist construction companies.
Frequently asked questions
When are Aa Offshore Services Ltd's accounts due?
Aa Offshore Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Aa Offshore Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Aa Offshore Services Ltd still trading?
Aa Offshore 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 Aa Offshore Services Ltd do?
Aa Offshore Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Aa Offshore Services Ltd?
Aa Offshore Services Ltd was incorporated on 23 August 2021, 5 years ago.
What is the penalty if Aa Offshore 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 Aa Offshore 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.