- Companies
- Specialist contractors
- Truro
- Offshore Insulation Services Ltd
Offshore Insulation Services Ltd
- Company number
- 12142272
- Incorporated
- 6 Aug 20197 years trading
- Registered office
- Skewberries Farm, Playing Place, Truro, TR3 6GG
- Nature of business
- Other specialised construction activities n.e.c.
Offshore Insulation Services Ltd is a 7-year-old private limited company registered in Truro, company number 12142272, one of 45 specialist construction companies in Truro. 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 down £4,647 (-56.9%) on the year before, to £3,519.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £1,423 against £4,815 owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £3,519 | £1,423 | £4,815 | 1 | |
| 31 Aug 2024 | £8,166 | £849 | £7,743 | 1 | |
| 31 Aug 2023 | £8,427 | £1,387 | £7,456 | 1 | |
| 31 Aug 2022 | £2,057 | £12K | £6,393 | 1 | |
| 31 Aug 2021 | £5,712 | £16K | £12K | 1 | |
| 31 Aug 2020 | £4,457 | £2,047 | £7,311 | 0 |
Who runs and owns Offshore Insulation Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** S*** | Director | Aug 2019 |
Person with significant control
Where Offshore Insulation Services Ltd is registered
The registered office is in Truro (TR3), in the Cornwall local authority area, South West. Show TR3 6GG on a map.
Other trade companies in TR3
- Earl Developments LtdProperty developers
- Harbour Homes SW LimitedProperty developers
- Ultra Green LimitedLandscapers and gardeners
- Greyson Homes LtdProperty developers
- Elite Building & Maintenance SW LtdBuilders
- Rob Andrew Construction LtdBuilders
- Atlantic Development Management LtdProperty developers
- Newham Road Carwash LtdCleaning companies
What happens if Offshore Insulation 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
- 12142272
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2019 (7 years ago)
- Registered office
- Skewberries Farm, Playing Place, Truro, TR3 6GG
- 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
- 5 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 in Truro
Other active specialist construction companies registered in Truro.
- PCM Real Estate Limited2023
- Polmenna Pools Ltd2014
- Project Construction SW Ltd2015
- Rope Access, Rigging & Rescue Ltd2016
- Roseland Resurfacing Limited2015
- Scope Surveying Ltd2019
- Sightline Geomatics Limited2016
- Southwest Oil Heating Specialists Ltd2014
All specialist construction companies in Truro · All trades in Truro · Specialist contractors across the UK
Frequently asked questions
When are Offshore Insulation Services Ltd's accounts due?
Offshore Insulation Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Offshore Insulation 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 Offshore Insulation Services Ltd still trading?
Offshore Insulation 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 Offshore Insulation Services Ltd do?
Offshore Insulation Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Offshore Insulation Services Ltd?
Offshore Insulation Services Ltd was incorporated on 6 August 2019, 7 years ago.
Who runs Offshore Insulation Services Ltd?
Offshore Insulation Services Ltd has 1 active director, the longest-serving appointed in Aug 2019. Their names and service addresses are on the Companies House register.
Who owns Offshore Insulation Services Ltd?
One person or company has significant control of Offshore Insulation Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Offshore Insulation 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 Offshore Insulation 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.