- Companies
- Installers
- Doncaster
- Icu2 Security Limited
Icu2 Security Limited
- Company number
- 06651771
- Incorporated
- 21 Jul 200818 years trading
- Registered office
- Unit 8 Shaw Lane Industrial Estate, Ogden Road, Doncaster, DN2 4SQ
- Nature of business
- Other construction installation
Icu2 Security Limited is a 18-year-old private limited company registered in Doncaster, company number 06651771, one of 128 installation companies (insulation, lifts, shutters and similar) in Doncaster. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £6,482 (+18.5%) on the year before, to £42K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £176K against £182K owed within a year: 1.0 times cover.
- 9 employees on average, up from 6 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £42K | £176K | £182K | 9 | |
| 31 Jul 2024 | £35K | £161K | £179K | 6 | |
| 31 Jul 2023 | £14K | £130K | £157K | 6 | |
| 31 Jul 2022 | £16K | £115K | £143K | 7 | |
| 31 Jul 2021 | £19K | £131K | £157K | 11 | |
| 31 Jul 2020 | £17K | £134K | £159K | 6 | |
| 31 Jul 2019 | £4,678 | £67K | £102K | ||
| 31 Jul 2018 | £17K | £85K | £94K | ||
| 31 Jul 2017 | £25K | £82K | £88K | ||
| 31 Jul 2016 | £29K | £23K | £96K | £97K |
Where Icu2 Security Limited is registered
The registered office is in Doncaster (DN2), in the Doncaster local authority area, Yorkshire and The Humber. Show DN2 4SQ on a map.
Other trade companies in DN2
- Zerze Family Properties LtdProperty developers
- Arqstone Developments LtdProperty developers
- Zych Enterprise LtdBuilders
- Hardwick & Stone LimitedProperty developers
- Gorecka LtdMechanics and garages
- Stonecaster LtdMotor traders
- JRSH Autos LtdMotor traders
- Head New Build Cleaning LtdCleaning companies
What happens if Icu2 Security Limited 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 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
- 06651771
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2008 (18 years ago)
- Registered office
- Unit 8 Shaw Lane Industrial Estate, Ogden Road, Doncaster, DN2 4SQ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 21 July 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Doncaster
Other active installation companies (insulation, lifts, shutters and similar) registered in Doncaster.
- Igloo Surfaces Limited2012
- Ihandle Ltd2023
- Illingworth Fire Protection Ltd2009
- Install A Manchester Ltd2022
- Interior Contract Specialists Limited1999
- Isg Sales and Marketing Limited2023
- J M Construction (Doncaster) Ltd2022
- JB Contracting Services Limited2025
All installation companies (insulation, lifts, shutters and similar) in Doncaster · All trades in Doncaster · Installers across the UK
Frequently asked questions
When are Icu2 Security Limited's accounts due?
Icu2 Security Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Icu2 Security Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Icu2 Security Limited still trading?
Icu2 Security Limited 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 Icu2 Security Limited do?
Icu2 Security Limited is registered under Other construction installation (SIC 43290).
How old is Icu2 Security Limited?
Icu2 Security Limited was incorporated on 21 July 2008, 18 years ago.
What is the penalty if Icu2 Security Limited 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 Icu2 Security Limited 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.